Fokker 50/60 Amm 0050 Printed on: Dec 16/09 02:59

Cust: PT Indonesia Air Transport Issue Date: Aug 01/07

TASK 00-00-00-XX5-810-A - Function Codes

1. Procedure

A. This section lists all function codes and provides a description for each function code.
(1) The function code is identified by a three-digit number which defines the maintenance function being performed.
(2) The major categories of the function codes are:
000 up to 099 Removal
100 up to 199 Cleaning
200 up to 299 Inspection/Checks
300 up to 399 Repair
400 up to 499 Installation
500 up to 599 Material handling
600 up to 699 Servicing/Preserving/Lubricating
700 up to 799 Testing
800 up to 899 Miscellaneous
900 up to 999 Miscellaneous
XX1 up to XX5 Introduction
ZZ1 up to ZZ3 Description and Operation

B. Function code range 000 up to 099: Removal

Code |Description

000 |REMOVE

001 |The removal task is related to the associated installation task

|(Refer to function codes 400 and 401).

010 |REMOVE/OPEN FOR ACCESS

|Remove or open a panel, door, component, etc. to gain access.

040 |DEACTIVATE

|Deactivation of a system in accordance with the MMEL by maintenance

|action.

C. Function code range 100 up to 199: Cleaning

Code |Description

100 |CLEANING

|General.

110 |CHEMICAL

|Use chemical agent(s) to clean. Includes preparation of the

|chemical.

120 |ABRASIVE

|Remove unwanted materials with wet/dry particle impingement.

130 |ULTRASONIC

|Remove unwanted surface material and other materials caught in the

|surface using high-frequency sound.

140 |MECHANICAL

|Remove unwanted materials with a brush, lint-free cloth or other

|mechanical procedure.

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Fokker 50/60 Amm 0050 Printed on: Dec 16/09 02:59
Cust: PT Indonesia Air Transport Issue Date: Aug 01/07

TASK 00-00-00-XX5-810-A - Function Codes

Code |Description

150 |STRIPPING

|Removal of paint, etc. from metal or non-metal surfaces using

|mechanical or chemical process. Also includes the removal of any

|residues from the process.

160 |MISCELLANEOUS CLEANING

|Remove unwanted material with compressed air, suction, by hand, etc.

170 |FLUSHING

|Flush unwanted material through and out of a component or system

|with fluid.

D. Function code range 200 up to 299: Inspection/Check

Code |Description

200 |INSPECTION/CHECK

|General.

210 |GENERAL VISUAL

|Full inspection to find structural damage, failure, deterioration,

|and give the proper corrective maintenance procedure if necessary.

220 |DETAILED DIMENSIONAL

|Inspect dimensions, conditions, or indications of. Compare with

|specifications in the original design documentation to decide

|whether further maintenance is required. Includes checks of

|indicators and other readouts to confirm that a value is within

|limits.

230 |PENETRANT

|Find surface cracks with dye penetrant techniques.

240 |MAGNETIC

|Find surface cracks in material by means of magnetic fields.

250 |EDDY CURRENT

|Use electromagnetic waves to find cracks, porosity, small openings,

|unwanted materials.

260 |X-RAY/HOLOGRAPHIC

|To find cracks, porosity, small openings, unwanted materials.

270 |ULTRASONIC

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Fokker 50/60 Amm 0050 Printed on: Dec 16/09 02:59
Cust: PT Indonesia Air Transport Issue Date: Aug 01/07

TASK 00-00-00-XX5-810-A - Function Codes

Code |Description

|To find cracks, porosity, small openings, unwanted materials.

280 |SPECIFIC/SPECIAL

|For procedures not included in codes 210-270 and 290. Includes

|abnormal operation and continued service procedures.

281 |SAMPLING

|Procedures to obtain small representative quantities of materials

|(gas, liquid or solid) for the purpose of analysis.

290 |BORESCOPE

|To examine internally.

E. Function code range 300 up to 399: Repair

Code |Description

300 |REPAIR

|General.

310 |WELDING/BRAZING

|Join parts together by welding or brazing.

320 |MACHINING/REAMING/BLENDING

|Repair metal parts or assemblies.

330 |COMPOSITE

|Repair composite materials.

340 |FIBERGLASS/PLASTIC/HONEYCOMB/EPOXY

|Repair fiberglass, plastic, honeycomb or epoxy materials. Also

|includes adhesive bonding, rubber molding, fiberglass molding,

|silicone rubber bonding/molding, etc.

350 |MISCELLANEOUS REPAIR

|Repair those materials or parts not included above.

360 |LEAKAGE REPAIR

|Repair leaks (except by application of sealants/compounds - see

|code 390).

370 |PAINTING

|Application of primer and top coat to any area. Includes surface

|pre-treatment and cleaning, mixing, application and curing.

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Fokker 50/60 Amm 0050 Printed on: Dec 16/09 02:59
Cust: PT Indonesia Air Transport Issue Date: Aug 01/07

TASK 00-00-00-XX5-810-A - Function Codes

Code |Description

380 |PLATING

|Repair worn surfaces or protect by applying:

|cadmium, chromium, chemical plating, other materials.

390 |SEALING

|Apply: fairing compounds, sealants, other materials. To control

|corrosion, fill clearance , prevent leakage, provide a hold, smooth

|aerodynamically. Includes preparation of materials, cleaning of

|surfaces, mixing and curing.

F. Function code range 400 up to 499: Installation

Code |Description

400 |INSTALLATION

401 |The installation task is related to the associated removal task

|(Refer to function codes 000 and 001)

410 |INSTALL, CLOSE ITEMS REMOVED, OPENED FOR ACCESS

|Install or close a panel, door, component, etc.

440 |REACTIVATE

|Reactivation of a system in accordance with the MMEL by maintenance

|action.

G. Function code range 500 up to 599: Material- and aircraft handling

Code |Description

500 |MATERIAL- AND AIRCRAFT HANDLING

|General.

530 |PACKING

540 |UNPACKING

550 |STORAGE/RETURN TO SERVICE

|Subject related to ATA Chapter 10

580 |AIRCRAFT HANDLING

581 |LIFTING

582 |JACKING

|Includes lifting and lowering with jacks.

583 |SHORING

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Fokker 50/60 Amm 0050 Printed on: Dec 16/09 02:59
Cust: PT Indonesia Air Transport Issue Date: Aug 01/07

TASK 00-00-00-XX5-810-A - Function Codes

Code |Description

584 |TOWING

585 |TAXIING

586 |LEVELLING

587 |WEIGHING

H. Function code range 600 up to 699: Servicing, Preserving, Lubricating

Code |Description

600 |SERVICING, PRESERVING, LUBRICATION

|General.

610 |SERVICING

|Keep in good operational condition. Includes replenishing (filling)

|of fluids (oil, hydraulic fluid, water, etc.).

614 |GAS CHARGING/DISCHARGING

|Tyres, accumulators, etc.

620 |PRESERVING

630 |DEPRESERVING

640 |LUBRICATING

650 |FUELING/DEFUELING

|Fuel movement for all operational and maintenance purposes.

660 |DEICING/ANTI-ICING

|Removal and prevention of ice or snow buildup on parked aircraft.

670 |DISINFECT/SANITIZE

|May include draining, cleaning and handling of lavatory components.

680 |DRAIN FLUID

|Draining of water, oil, hydraulic fluid, lavatories, etc.

J. Function code range 700 up to 799: Testing

Code |Description

700 |TESTING

|General.

701 |ENGINE TEST

702 |

710 |OPERATIONAL

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Fokker 50/60 Amm 0050 Printed on: Dec 16/09 02:59
Cust: PT Indonesia Air Transport Issue Date: Aug 01/07

TASK 00-00-00-XX5-810-A - Function Codes

Code |Description

711 |An Operational test verifies that a system or component is operable,

712 |without taking into account specifications and tolerances which

713 |usually are established for overhaul, or major maintenance periods

714 |The test requires no special equipment. Can include BITE functions.

720 |FUNCTIONAL

|A functional test verifies that a system or component is functioning

|within the minimum design specifications. This test is more detailed

|than an operational test and may require special test equipment.

|Values and tolerances must be specified. Can include BITE functions.

730 |SYSTEM

|Contains all specifications and tolerances necessary to insure that

|systems and their components are performing at maximum design

|efficiency. The test must be sufficient to detect early signs of

|wear, deterioration, and calibration drift. The test may require

|special test equipment. Values and tolerances must be specified. The

|test is self-contained and may duplicate another test. Can include

|BITE functions.

760 |ELECTRICAL

|Bonding test only.

780 |PRESSURE

|Establishes the ability of a normally pressurized system or

|component to operate properly.

790 |LEAK

|Make sure a system or component does not leak or does so within

|specified limits.

K. Function code range 800 up to 899: Miscellaneous

Code |Description

820 |ADJUSTING, ALIGNING, CALIBRATING

|Make a physical correction to ensure proper placement, operation or

|testing of a system or component.

830 |RIGGING

|Check and as necessary adjust mechanically operated systems such as

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Fokker 50/60 Amm 0050 Printed on: Dec 16/09 02:59
Cust: PT Indonesia Air Transport Issue Date: Aug 01/07

TASK 00-00-00-XX5-810-A - Function Codes

Code |Description

|flight control cables, actuator arms, push-pull rods, etc. Includes

|installing and removing rigging pins, blocks, boards, etc. where

|specifically used to give an indication of the state of rigging.

850 |OPERATOR MODIFICATION INCORPORATION

|Operator use only.

860 |AIRCRAFT, SYSTEM CONFIGURATION

|General.

861 |ELECTRICAL POWER SELECTION

862 |HYDRAULICAL POWER SELECTION

863 |AIR POWER SELECTION

864 |FLIGHT CONTROL SELECTION

865 |ENGINE SELECTION

866 |APU SELECTION

870 |BLEEDING

|Remove air from a system or component filled with fluid.

880 |HEATING/COOLING

L. Function code range 900 up to 999: Miscellaneous

Code |Description

910 |STANDARD PRACTICES

|General.

930 |MARKING

|To paint markings and letters.

99S |ILLUSTRATIONS

|99 is a fixed indicator for illustrations.

|S is the sheet indicator.

|S is 0 if there is no sheet of sheet situation.

|S is 1 thru 9 if there is a sheet of sheet situation.

M. Function code range XX1 up to XX5: Introduction

Code |Description

XX1 |GENERAL

XX2 |MANUAL ARRANGEMENT

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Fokker 50/60 Amm 0050 Printed on: Dec 16/09 02:59
Cust: PT Indonesia Air Transport Issue Date: Aug 01/07

TASK 00-00-00-XX5-810-A - Function Codes

Code |Description

XX3 |USE OF THE MANUAL

XX4 |REVISION SERVICE

XX5 |FUNCTION CODES

N. Function code range ZZ1 up to ZZ3: Description and Operation

Code |Description

ZZ1 |GENERAL

ZZ2 |COMPONENT INFORMATION

ZZ3 |OPERATION AND CONTROL

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