Single Engine

Service Bulletin
September 13, 2004 SEB04-4

TITLE

FUEL HOSE INSPECTION

EFFECTIVITY

The following airplanes are affected if Cessna Specification S1495-6 Fuel Hose (Cessna raw material code
R221605) shipped from Cessna Parts Distribution on May 1, 1999 through November 30, 2000 has been
installed.

Model Year Serial Numbers

150 1959 17001 thru 17999
150 1960 59001 thru 59018
150 617
150A 1961 15059019 thru 15059350
150A 628
150B 1962 15059351 thru 15059700
150C 1963 15059701 thru 15060087
150D 1964 15060088 thru 15060772
150E 1965 15060773 thru 15061532
150E 644
150F 1966 15061533 thru 15064532
150G 1967 15064533 thru 15064969
150G 1967 15064971 thru 15067198
150H 1968 15067199 thru 15069308
150H 649
150J 1969 15069309 thru 15071128
150K 1970 15071129 thru 15072003
150L 1971 15072004 thru 15072628
150L 1972 15072629 thru 15073658
150L 1973 15073659 thru 15074850
150L 1974 15074851 thru 15075781
150M 1975 15075782 thru 15077005
Page 1 of 11
To obtain satisfactory results, procedures specified in this publication must be accomplished in accordance with accepted methods and
prevailing government regulations. Cessna Aircraft Company cannot be responsible for the quality of work performed in accomplishing the
requirements of this publication.

Cessna Aircraft Company, Product Support, P.O. Box 7706, Wichita, Kansas 67277, U.S.A. (316) 517-5800, Facsimile (316) 942-9006

COPYRIGHT © 2004
 150M 1976 15077006 thru 15078505
150M 1977 15078506 thru 15079405
A150K 1970 A1500001 thru A1500226
A150L 1971 A1500227 thru A1500276
A150L 1972 A1500277 thru A1500342
A150L 1973 A1500343 thru A1500429
A150L 1974 A1500430 thru A1500432
A150L 1974 A1500434 thru A1500523
A150M 1975 A1500524 thru A1500609
A150M 15064970
A150M 1976 A1500610 thru A1500684
A150M 1977 A1500685 thru A1500734
152 1978 15279406 thru 15282031
152 1979 15282032 thru 15283591
152 1980 15283592 thru 15284541
152 1981 15284542 thru 15285161
152 1982 15285162 thru 15285594
152 1983 15285595 thru 15285833
152 1984 15285834 thru 15285939
152 1985 15285940 thru 15286033
A152 1978 A1520735 thru A1520808
A152 A1500433
A152 1979 A1520809 thru A1520878
A152 681
A152 1980 A1520879 thru A1520943
A152 1981 A1520944 thru A1520983
A152 1982 A1520984 thru A1521014
A152 1983 A1521015 thru A1521025
A152 1984 A1521026 thru A1521027
A152 1985 A1521028 thru A1521049
172 1956 thru 1959 28000 thru 29999
172 1956 thru 1959 36000 thru 36999
172 1956 thru 1959 46001 thru 46754
172 610, 612, 615
172A 1960 46755 thru 47746
172A 622, 625
172B 1961 17247747 thru 17248734
172B 630
172C 1962 17248735 thru 17249544
172D 1963 17249545 thru 17250572
172E 1964 17250573 thru 17251822

SEB04-4
Page 2 September 13, 2004
 172E 639
172F 1965 17251823 thru 17253392
172G 1966 17253393 thru 17254892
172H 1967 17254893 thru 17256492
172H 1967 17256494 thru 17256512
172H 638
172I 1968 17256513 thru 17257161
172J 660
172K 1969 17257162 thru 17258486
172K 1970 17258487 thru 17259223
172L 1971 17259224 thru 17259903
172L 1972 17259904 thru 17260758
172M 1973 17260759 thru 17261444
172M 1973 17261446 thru 17261577
172M 1973 17261579 thru 17261898
172M 17256493
172M 1974 17261899 thru 17263458
172M 1975 17263459 thru 17265684
172M 1976 17265685 thru 17267584
172N 1977 17267585 thru 17269309
172N 17261445
172N 1978 17269310 thru 17270049
172N 1978 17270051 thru 17271034
172N 17261578
172N 1979 17271035 thru 17272884
172N 1980 17272885 thru 17274009
172N 17270050
172P 1981 17274010 thru 17275034
172P 1982 17275035 thru 17275759
172P 1983 17275760 thru 17276079
172P 1984 17276080 thru 17276259
172P 1985 17276260 thru 17276516
172P 1986 17276517 thru 17276654
172Q 1983 17275869
172Q 1983 17275927 thru 17275934
172Q 1983 17275952, 17275959, 17275960
172Q 1983 17275962, 17275964, 17275965
172Q 1983 17275967, 17275968, 17275969
172Q 1983 17275971, 17275992, 17275999
172Q 1983 17276002, 17276005, 17276029
172Q 1983 17276032, 17276042, 17276045

SEB04-4
September 13, 2004 Page 3
 172Q 1983 17276051, 17276052, 17276054
172Q 1984 17276101, 17276109, 17276140
172Q 1984 17276147, 17276188, 17276211
P172D 1963 P17257120 thru P17257188
R172J 1974 P17257189
R172K 1977 R1722000 thru R1722724
R172K 1978 R1722725 thru R1722929
R172K 1979 R1722930 thru R1723199
R172K 680
R172K 1980 R1723200 thru R1723399
R172K 1981 R1723400 thru R1723454
172RG 1980 172RG0001 thru 172RG0570
172RG 1981 172RG0571 thru 172RG0890
172RG 691
172RG 1982 172RG0891 thru 172RG1099
172RG 1983 172RG1100 thru 172RG1144
172RG 1984 172RG1145 thru 172RG1177
172RG 1985 172RG1178 thru 172RG1191
182G 1964 18255786 thru 18255844
182H 1965 18255846 thru 18256684
182H 634
182J 1966 18256685 thru 18257625
182K 1967 18257626 thru 18257698
182K 1967 18257700 thru 18258505
182K 1967 18255845
182L 1968 18258506 thru 18259305
182M 662
182M 1969 18259306 thru 18260055
182M 18257699
182N 1970 18260056 thru 18260445
182N 1971 18260446 thru 18260825
182P 1972 18260826 thru 18261425
182P 1973 18261426 thru 18262465
182P 1974 18262466 thru 18263475
182P 1975 18263476 thru 18263478
182P 1975 18263480 thru 18264295
182P 675
182P 1976 18264296 thru 18265175
182Q 1977 18265176 thru 18265965
182Q 1978 18265966 thru 18266590
182Q 18263479

SEB04-4
Page 4 September 13, 2004
 182Q 1979 18266591 thru 18267300
182Q 1980 18267301
182Q 1980 18267303 thru 18267715
182R/T182 1981 18267716 thru 18268055
182R/T182 18267302
182R/T182 1982 18268056 thru 18268293
182R/T182 1983 18268294 thru 18268368
182R/T182 1984 18268369 thru 18268434
182R/T182 1985 18268435 thru 18268541
182R 1986 18268542 thru 18268586
R182 683
R182 1978 R18200002 thru R18200583
R182/TR182 1979 R18200584 thru R18201313
R182/TR182 R18200001
R182/TR182 1980 R18201314
R182/TR182 1980 R18201316 thru R18201628
185A 1962 185-0414 thru 185-0512
185B 1963 185-0513 thru 185-0653
185C 1964 185-0654 thru 185-0776
185D 1965 185-0777 thru 185-0967
185E 1966 185-0968 thru 185-1149
A185E 1966 185-0968 thru 185-1149
A185E 1967 185-1150 thru 185-1300
A185E 1968 185-1301 thru 185-1447
A185E 1969 185-1448 thru 185-1599
A185E 1970/1971 18501600 thru 18501934
A185E 1972 18501935 thru 18502090
A185F 1973 18502091 thru 18502299
A185F 1973 18502301 thru 18502310
A185F 652
A185F 1974 18502311 thru 18502565
A185F 1975 18502566 thru 18502838
A185F 1976 18502839 thru 18503153
A185F 1977 18503154 thru 18503458
A185F 1978 18503459 thru 18503683
A185F 1979 18503684 thru 18503938
A185F 18502300
A185F 1980 18503939 thru 18504138
A185F 1981 18504139 thru 18504328
A185F 1982 18504329 thru 18504394
A185F 1983 18504395 thru 18504415

SEB04-4
September 13, 2004 Page 5
 A185F 1984 18504416 thru 18504424
A185F 1985 18504425 thru 18504448
U206G/TU206G 1979 U20604650 thru U20605309
U206G/TU206G U20602589
A-150L 1972 thru 1973 A-1501001 thru A-1501039
A-A150L 1972 thru 1973 A-A1500001 thru A-A1500009
A182J 1966 A182-0001 thru A1820056
A182K 1967 A182-0057 thru A182-0096
A182L 1968 A182-0097 thru A182-0116
A182N 1972 A182-0117 thru A182-0136
F150F 1966 F150-0001 thru F150-0067
F150G 1967 F150-0068 thru F150-0219
F150FH 1968 F150-0220 thru F150-0389
F150J 1969 F150-0390 thru F150-0529
F150K 1970 F15000530 thru F15000658
F150L 1971 F15000659 thru F15000738
F150L 1972 F15000739 thru F15000863
F150L 1973 F15000864 thru F15001013
F150L 1974 F15001014 thru F15001143
F150M 1975 F15001144 thru F15001248
F150M 1976 F15001249 thru F15001338
F150M 1977 F15001339 thru F15001428
FA150K 1970 FA1500001 thru FA1500081
FA150L 1971 FA1500082 thru FA1500120
FA150L 1972 FA1500121 thru FA1500166
FA150L 1973 FA1500167 thru FA1500211
FA150L 1974 FA1500212 thru FA1500261
FA150M 1975 FA1500262 thru FA1500281
FA150M 1976 FA1500282 thru FA1500311
FA150M 1970 FA1500312 thru FA1500336
F152 1978 F15201429 thru F15201528
F152 1979 F15201529 thru F15201673
F152 1980 F15201674 thru F15201808
F152 1981 F15201809 thru F15201893
F152 1982 F15201894 thru F15201928
F152 1983 F15201929 thru F15201943
F152 1984 F15201944 thru F15201952
F152 1985 F15201953 thru F15201965
F152 1986 F15201966 thru F15201980
FA152 1978 FA1520337 thru FA1520347
FA152 1979 FA1520348 thru FA1520357

SEB04-4
Page 6 September 13, 2004
 FA152 1980 FA1520358 thru FA1520372
FA152 1981 FA1520373 thru FA1520377
FA152 1982 FA1520378 thru FA1520382
FA152 1983 FA1520383 thru FA1520387
FA152 1985 FA1520388 thru FA1520415
FA152 1986 FA1520416 thru FA1520425
F172D 1963 F172-0001 thru F172-0018
F172E 1964 F172-0019 thru F172-0085
F172F 1965 F172-0086 thru F172-0179
F172G 1966 F172-0180 thru F172-0319
F172H 1967 F172-0320 thru F172-0431
F172H 1967 F172-0436 thru F172-0442
F172H 1967 F172-0444 thru F172-0446
F172H 1968 F172-0432 thru F172-0435
F172H 1968 F172-0443
F172H 1968 F172-0447 thru F172-0559
F172H 1969 F172-0560 thru F172-0654
F172H 1970 F17200655 thru F17200754
F172K 1971 F17200755 thru F17200804
F172L 1972 F17200805 thru F17200904
F172M 1973 F17200905 thru F17201034
F172M 1974 F17201035 thru F17201234
F172M 1975 F17201235 thru F17201384
F172M 1976 F17201385 thru F17201514
F172N 1977 F17201515 thru F17201639
F172N 1978 F17201640 thru F17201749
F172N 1979 F17201750 thru F17201909
F172N 1980 F17201910 thru F17202039
F172P 1981 F17202040 thru F17202134
F172P 1982 F17202135 thru F17202194
F172P 1983 F17202195 thru F17202216
F172P 1984 F17202217 thru F17202233
F172P 1985 F17202234 thru F17202238
F172P 1986 F17202239 thru F17202254
FP172 1963 FP172-0001 thru FP172-0003
FR172K 1979 FR17200631 thru FR17200655
FR172K 1980 FR17200656 thru FR17200665
FR172K 1981 FR17200666 thru FR17200675
F182P 1976 F18200001 thru F18200025
F182Q 1977 F18200026 thru F18200064
F182Q 1978 F18200065 thru F18200094

SEB04-4
September 13, 2004 Page 7
 F182Q 1979 F18200095 thru F18200129
F182Q 1980 F18200130 thru F18200169
FR182 1979 FR18200021 thru FR18200045
FR182 1980 FR18200046 thru FR18200070

Also affected is any Cessna Specification S1495-6 Fuel Hose (Cessna raw material code R221605) shipped
from Cessna Parts Distribution on May 1, 1999 through November 30, 2000 in Service Station stock.

NOTE: All Cessna Specification S1495-6 Fuel Hose (Cessna raw material code R221605) that is not identified
as Dayco 6L3, Dayco B706, or Parker B706 must be removed from inventory.

PURPOSE

It has been determined that an unapproved fuel hose may have been installed on some in-service airplanes.
The fuel hoses shall be inspected, and if necessary replaced as described in this Service Bulletin.
Non-compliance with this Service Bulletin may potentially allow a fuel leak to occur.

COMPLIANCE

Mandatory: shall be accomplished at the next 100 hour inspection or annual/12 month inspection, whichever
occurs first.

APPROVAL

FAA approval has been obtained on technical data in this publication that affects airplane type design.

For Reims Aviation Airplanes: DGAC approval has not been obtained on technical data in this publication. The
affected "F" model and serial number airplanes are included for informational purposes. Cessna considers
compliance mandatory on "F" model airplanes regardless.

MAN-HOURS

If necessary, 0.3 man-hour per hose for replacement.

MATERIAL

The part below is available from Cessna Parts Distribution through an appropriate Cessna Service Station for
the suggested list price shown.

Part Number Description Qty/Airplane Price

S1495-6 Hose as required $ 2.36 (PS) ft
(Alternate (see Note)
R221605)

ALL PRICES SUBJECT TO CHANGE WITHOUT NOTICE

NOTE: The maximum amount needed is 9 feet per airplane if all hoses require replacement.

SEB04-4
Page 8 September 13, 2004
ACCOMPLISHMENT INSTRUCTIONS

Change In Weight And Balance

Weight Change ............................ Negligible

Material Information
The part below may be necessary:

New P/N Quantity Description Old P/N Disposition

S1495-6 As Required Hose S1495-6 (other Retain for field
than Dayco 6L3 scrap
or Dayco B706 or
Parker B706)

Instructions

1. Determine if installed S1495-6 fuel supply and vent hoses are affected by review of applicable airplane
paperwork such as logbooks and/or applicable work orders and sales/shipping receipts or by visually
inspecting the hose. Refer to Step 8 for detailed information.

A. If it is determined that the hose is affected, Proceed to Step 2.

B. If it is determined that the hose is not affected, Proceed to Step 19.

2. If affected, electrically ground the airplane and turn all switches to the "OFF" position. If external electrical
power is connected to the airplane, disconnect external electrical power.

3. Disconnect the airplane battery. (Refer to the applicable Model Service Manual.)

4. Attach maintenance warning tags to the battery and external power receptacle that have DO NOT
CONNECT ELECTRICAL POWER - MAINTENANCE IN PROGRESS written on them.

5. Remove and keep screws and access panels in the left wing, and in the right wing as necessary to get
access to the supply fuel hoses. (Refer to the applicable Model Service Manual and Parts Catalog
as necessary.)

6. Remove and keep the fairings at the wing/fuselage intersections as necessary. (Refer to the applicable
Model Service Manual and Parts Catalog as necessary.)

7. Remove left and right headliner trim molding and door moldings as necessary, and keep the fasteners.
(Refer to the applicable Model Service Manual and Parts Catalog as necessary.)

NOTE: It may be necessary on some models to remove both sun visors, keep the fasteners and hardware.

NOTE: In most cases it is not necessary to completely remove the headliner to get access to examine
and replace the fuel hoses in the crew compartment.

A. Look under the edges of the headliner to view the fuel hoses in the crew compartment.

SEB04-4
September 13, 2004 Page 9
8. Do an inspection of all fuel supply and fuel vent hoses in the left and right wing root, the dry bay and
the overhead fuel vent areas.

A. Look for any S1495-6 Hoses that are identified as Dayco 7095 or Boston. Also look for fuel hoses
that are not identified and are hard.

(1) Hoses that are identified as Dayco 7095 or Boston must be replaced. Go to Step 9.

(2) Hoses that are not identified and are hard must be replaced. Go to Step 9.

NOTE: Fuel hoses that are hard can be determined when you try to compress the hose
between your thumb and forefinger. Hoses that do not compress or are not resilient
must be replaced.

(3) If all fuel hoses are not hard or are identified as Dayco 6L3, Dayco B706 or Parker 706,
go to Step 14.

9. Defuel the airplane. (Refer to the applicable Model Service Manual as necessary.)

10. Remove and replace all fuel hoses that are unsatisfactory.

11. Replace each removed fuel hose with new S1495-6 Hose known to be from stock hose that is identified
as Dayco 6L3, Dayco B706 or Parker B706.

12. Refuel the airplane. (Refer to the applicable Model Service Manual as necessary.)

13. Do a leak check on the fuel hose(s) that you replaced in Step 11.

14. Install the headliner trim moldings, door moldings and the sun visors that were removed in Step 7 as
necessary.

15. Install the fairings at the wing/fuselage intersections as necessary. (Refer to the applicable Model Service
Manual and Parts Catalog as necessary.)

16. Install access panels you removed from the left and right wing with the fasteners kept in Step 5. (Refer to
the applicable Model Service Manual and Parts Catalog as necessary.)

17. Remove maintenance warning tags from battery and external power receptacle.

18. Reconnect the airplane battery.

19. Make an entry in the airplane logbook that states compliance and method of compliance with this
Service Bulletin.

SEB04-4
Page 10 September 13, 2004
CREDIT

The following labor allowance is based on doing the work during a scheduled 100 Hour type inspection.

If fuel hose replacement is necessary, applicable parts credit and a labor allowance credit of 0.3 man-hour per
hose will be provided for hose replacement.

To receive credit, the work must be completed and a Warranty Claim submitted by a Cessna Single Engine
Service Station within 30 calendar days of Service Bulletin compliance before the credit expiration dates shown
below. A copy of the logbook entry where the suspect hose was installed must be submitted with the Warranty
Claim. Any removed hose(s) shall be held for field scrap per standard policy procedures.

NOTE: Affected new and unused fuel hose in Service Station stock may be returned to Cessna Warranty
Administration for credit per standard procedures.

Domestic . . . . . . . . . . . . . . . . . September 13, 2005

International . . . . . . . . . . . . . . . September 13, 2005

Special Note to Service Stations:

When you complete the Warranty Claim, the labor allowance claimed shall be itemized for each above action
completed.

OWNER NOTIFICATION

On September 13, 2004 the following Owner Advisory message will be sent to applicable owners of record in
SEB04-4A.

Dear Cessna Owner:

This Owner Advisory is to inform you that it has been determined that an unapproved fuel hose may have
been installed as a spare replacement on some in service airplanes. The affected hose was shipped from
Cessna Parts Distribution on May 1, 1999 through November 30, 2000. The fuel hose shall be inspected,
and if necessary replaced as described in Service Bulletin SEB04-4. Non-compliance with Service Bulletin
SEB04-4 may potentially allow a fuel leak to occur.

Compliance is mandatory: shall be accomplished at the next 100 hour inspection or annual/12 month
inspection, whichever occurs first.

The information contained in the referenced Cessna Service Bulletin shall be considered an amendment to the
Cessna Manufacturer’s Service/Maintenance Manual or Instructions for continued airworthiness, and must be
accomplished for ongoing airworthiness compliance as required per 14 CFR Part 43.13.

If fuel hose replacement is necessary, applicable parts credit and a labor allowance credit of 0.3 man-hours per
individual hose section will be provided for hose replacement as detailed in SEB04-4. These labor allowances
are based on the work being accomplished during a scheduled 100 Hour type inspection.

To receive credit, the work must be completed and a Warranty Claim submitted by a Cessna Single Engine
Service Station within 30 calendar days of Service Bulletin compliance before the credit expiration dates
shown below.

Domestic . . . . . . . . . . . . . . . . . September 13, 2005

International . . . . . . . . . . . . . . . September 13, 2005

Please contact a Cessna Single Engine Service Station for detailed information and arrange to have Cessna
Service Bulletin SEB04-4 accomplished on your airplane.

* * * * * * *

SEB04-4
September 13, 2004 Page 11