CESSNA AIRCRAFT COMPANY
MODEL 206 SERIES (1977 - 1986)
SERVICE MANUAL
SUPPLEMENTAL INSPECTION NUMBER: 55-30-01
1. TITLE:
Vertical Stabilizer, Rudder and Attachments Inspection
2. EFFECTIVITY
U206-3522 thru U20607020
INSPECTION COMPLIANCE
ALL USAGE: INITIAL 10,000 Hours or 20 Years (NOTE)
REPEAT 3,000 Hours or 5 Years (NOTE)
NOTE: Refer to Note 1, Section 2A-14-00.
3. PURPOSE
To inspect vertical stabilizer, rudder and attachments for signs of damage, cracks or deterioration.
4. INSPECTION INSTRUCTIONS
A. Remove rudder from airplane and open all vertical stabilizer access panels. Refer to the applicable
Model 206 Service Manual.
B. Visually inspect vertical stabilizer and rudder for condition, cracks and security; rudder hinges for
condition, cracks and security; hinge bolts, hinge bearings for condition and security; bearings for
freedom of rotation; attach fittings for evidence of damage, wear, failed fasteners and security. Refer
to Figure 1.
(1) Clean area before inspecting if grime or debris is present.
C. Using a borescope, inspect forward and aft vertical stabilizer and rudder spars, ribs and attach fittings
for cracks, corrosion, loose fasteners, elongated fastener attach holes, cracks and deterioration.
(1) Clean area before inspecting if grime or debris is present.
D. Inspect rudder for deterioration resulting from fatigue, wear, overload, wind damage, and corrosion.
E. Inspect skins, spars, and ribs for cracks, corrosion and working fasteners. Pay particular attention to
the skins at the location where stringers pass through ribs. Apply finger pressure at the intersection
to check for free play indicating a broken rib.
F. If corrosion or a frozen bearing is found in 4.B. above, replace the rudder hinge or conduct a surface
eddy current inspection for cracks of each rudder hinge attach fitting. Refer to Section 2A-13-01
Nondestructive Inspection Methods and Requirements, Eddy Current Inspection – Surface Inspection,
for additional instructions. The inspection is for the aluminum structure outside of the bearing, so set
the instrument for aluminum.
G. Install rudder and all previously removed access panels according to the applicable Model 206 Service
Manual.
5. ACCESS AND DETECTABLE CRACK SIZE
ACCESS/LOCATION DETECTABLE CRACK SIZE
Vertical Stabilizer, Rudder and Stabilizer Attachment Not Allowed
6. INSPECTION METHOD
Visual with Eddy Current if required.
D2070-3-13 Temporary Revision Number 10 - Aug 1/2011 2A-14-14 Page 1
© Cessna Aircraft Company Jan 2/1996
CESSNA AIRCRAFT COMPANY
MODEL 206 SERIES (1977 - 1986)
SERVICE MANUAL
7. REPAIR/MODIFICATION
Replace damaged bolts and nuts. Replace damaged fittings and small parts. Replace damaged or
loose rivets. Hinge bearings are pre packed with grease, which will eventually oxidize and harden
after years of service. Seized bearings must be replaced. Repairs may be made in accordance with
Section 18 (Structural Repair) of the applicable Model 206 Service Manual. Any repair not available
in Section 18 should be coordinated with Cessna Customer Service prior to beginning the repair.
8. COMMENTS
Coordinate this inspection with SID 55-10-01, Horizontal Stabilizer, Elevator and Attachments
Inspection.
D2070-3-13 Temporary Revision Number 10 - Aug 1/2011 2A-14-14 Page 2
© Cessna Aircraft Company Jan 2/1996
CESSNA AIRCRAFT COMPANY
MODEL 206 SERIES (1977 - 1986)
SERVICE MANUAL
VERTICAL STABILIZER, RUDDER AND ATTACHMENTS INSPECTON
Figure 1 (Sheet 1)
D2070-3-13 Temporary Revision Number 10 - Aug 1/2011 2A-14-14 Page 3
© Cessna Aircraft Company Jan 2/1996
CESSNA AIRCRAFT COMPANY
MODEL 206 SERIES (1977 - 1986)
SERVICE MANUAL
VERTICAL STABILIZER, RUDDER AND ATTACHMENTS INSPECTON
Figure 1 (Sheet 2)
D2070-3-13 Temporary Revision Number 10 - Aug 1/2011 2A-14-14 Page 4
© Cessna Aircraft Company Jan 2/1996
