Single Engine 

Cessna 

~ A Toxtton Com " 

Service Bulletin 

I October 3, 2012 

TITLE 

AILERON HINGE BRACKET INSPECTION 

EFFECTIVITY 

Model Year 

190 1948 thru t 953 

190 1948 thru 1953 

195 1948 thru 1953 

195 1948 thru 1953 

195A 1948 thru 1953 

195A 1948 thru 1953 

1958 1948 thru 1953 

1958 1948 thru 1953 

PURPOSE 

Serial Numbers 

7004 thru 7999 

16000 thru 16183 

7004 thru 7999 

16000 thru 16183 

7004 thru 7999 

16000 thru 16183 

7004 thru 7999 

16000 thru 16183 

SE804-1 

Revision 1 

To inspect the inboard aileron hinge brackets for corrosion and cracks. If corrosion or cracks are found, 

the hinge brackets shall be replaced as directed in this Service Bulletin. Non-compliance with this Service 

Bulletin may allow corrosion or cracks to go undetected which could result in less than the designed structural 

integrity of the aileron hinge brackets. 

COMPLIANCE 

Mandatory; shall be accomplished as a part of the next 100 hour or annuaV12 month inspection whichever 

occurs first and each subsequent 100 hour or annual/12 month inspection thereafter except as noted below. 

NOTE: Installation of the new 0322709 and 0322709-1 machined Aluminum hinge brackets will delete the 

repetitive special inspection requirement. 

I NOTE: If the aileron hinge brackets have been replaced with Aluminum brackets and if in compliance with 

SE804-1 Original Issue, compliance with SEB04-1 Revision 1 is not required. 

APPROVAL 

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

IOriginal lssu<:!: April 26. 2004 Page 1 of 7 

To obtain satisfactory resulls. procedures spe:ified in this pubhcauon must be accompliShed in accordance with accepted methods and 

prevaillllg govem:nen• regulations Cessna Aircraft Company cannot bo responsible for the quality of work performed in accomplishing tile 

requ:rements of this publication. 

Cessn~ Aircraft Ccmpany, ~!omer Serv~ct~. P.O. Box 7106. Wtchlfa. KaMu &1277. U.S.A. (316) 517-5800. Facsimile (316)517-7271 

www c&.ts1asup.port COJn 

COPY FIGHT 4:> 2004 
MATERIAL 

I The following are available from Cessna Service Parts and Programs through an appropriate Cessna 

Authorized SeN ice Facility. 

Part Number DescriQtion Qt~/Aiq2l ne 

0322709 Hinge Bracket, 1 (if required) 

Left 

0322709-1 Hinge Bracket, 1 (if required) 

Right 

MS21044N4 Nut 4 

MS21044N3 Nut 10 

U074093 Alodine 1132 (as required) 

Marker 

K00091 2 Epoxy Primer (as required) 

ACCOMPLISHMENT INSTRUCTIONS 

Change In Weight And Balance 

Model . . . . . . . . . . . . . . • . . . • . . . . . . . . • . . 190/195 

Weight Change Negligible 

Material Information 

The following parts may be necessary: 

New PIN Quantity Description 

0322709 1 (as necessary} Aileron Hinge 

Bracket (Left) 

0322709-1 1 (as necessary) Aileron Hinge 

Bracket (Right) 

I MS21044N4 4 Nut 

MS21 044N3 10 Nut 

I Page 2 

Old PIN 

Same 

Same 

Same 

Same 

Disposition 

Discard 

Discard 

Discard 

Discard 

SEB04-1 Revision 1 

October3, 2012 
I 

The materials below, or equivalent may be necessary. 

NAME NUMBER MANUFACTURER USE 

Touch-N-Prep Alodine 1132 Parker Amchem 32100 To apply to bare metal. 

(color chemical Stephenson Highway Madison 

film treatment) Heights. Michigan 48071 

Corrosion 513 X 419910 X 942 PRC-DeSoto International To apply to bare metal. 

Resistant 5430 San Fernando Road 

Primer Glendale, CA 91209 

1. (Refer to Figure 1. Sheet 1.} Electrically ground the airplane and turn all switches to the "OFF" position. II 

external power is connected to the airplane, disconnect external power from receptacle, 

2. Remove the battery access panel and disconnect the airplane battery. (Refer to the Cessna 190 & 195 

Parts Catalog.) 

3. Attach maintenance warning tags to the banery and external power receptacle with the following 

instructions: 00 NOT CONNECT ELECTRICAL POWER - MAINTENANCE IN PROGRESS. 

4. Measure and record the range of up and down travel of both ailerons. 

NOTE: The aileron range of travel information will be needed to install the ailerons. 

NOTE: The specified range of up travel is 25" and the down travel is 25°. 

5. Remove the ailerons. (Refer to the Cessna 190-195 Parts Catalog.) 

A. Disconnect the aileron pushrod from the ai!eron on each wing. 

( 1) l<eep the bolts and washers if serviceable. 

(2) Discard the nuts. 

B. Remove the aileron attach bolts and wasners from the inboard and outboard aileron brackets on 

each wing and remove the ailerons. 

(1) l<eep the bolts and washers if serviceable. 

(2) Discard the nuts. 

6. ~efer to Figure 1, Sheet 1.} Remove the inboard 0322709 (left) and inboard 0322709-1 (right) Aileron 

Hinge Brackets from the wing n~ar spar. (Refer to the Cessna 190 & 195 Parts Catalog.) 

A. Keep t11e bolts and washers if serviceable. 

B. Discard the nuts. 

CAUTION: DO NOT USE A MECHANICAL METHOD TO REMOVE THE PAINT FROM MAGNESIUM 

AILERON HINGE BRACKETS. 

7. Remove the paint from the 0322709 and 0322709-1 Aileron Hinge Brackets. 

8. Do a visual inspection of the 0322709 and 0322709-1 Aileron Hinge Brackets for corrosion and cracks. 

NOTE: T~e original and o:der replacement inboard aileron hinge brackets were made of Magnesium 

which has a greater potential to corrode or crack than aluminum. 

A. Lo'JI\ on the aileron hinge brackets lor identification as follows: 

(1) Magnesium forged brackets have a 0822605-497 or a 0322707-2 mark on them. 

(2} Aluminum forged brackets have a 0822605-499 mark on them. 

I SEB04·1 Revision 1 

October 3, 2012 Page 3 
I 

I 

I 

(3} If the brackets have no marks, they are aluminum. 

B. If corrosion or cracks are found on the 0322709 and/or 0322709-1 Aileron Hinge Bracket, replace 

the bracket with a new Aluminum aileron hinge bracket as necessary. 

NOTE: The new replacement 0322709 and 0322709-1 Aileron Hinge Brackets are Aluminum. 

(1 ) Apply Alodine and corrosion resistant primer to the new aileron hinge bracket part and paint to 

match the airplane finish. 

(2) Go to Step 9 to install the new aileron hinge bracket(s). 

C. If no corrosion or cracks are found on the 0322709 and 0322709-1 Aileron Hinge Brackets, install 

the aileron hinge brackets back on the wings. (Refer to the Cessna t 90 & -195 Parts Catalog.) 

(1 ) Apply corrosion resistant primer to the aileron hinge bracket part and paint to match the 

airpiane finish. 

(2} Go to Step 9 to install the aileron hinge brackets. 

9. Install the aileron hinge brackets. (Refer to the Cessna 190 & 195 Parts Catalog.) 

A. (Refer to Figure 1, Sheet 2.) If a new hinge bracket is being installed, the 0322715-1 Aileron Fillet 

may need to be trimmed so the new hinge bracket will lit to the rear wing spar correctly. (Refer to the 

Cessna 190 8. 195 Parts Catalog.} 

B. Install the aileron hinge bracKets to the rear wing spar with the kept bolts and new MS20365-1032 

Nuts, and torque each nut to 25 inch-pounds. 

10. Install the ailerons on the wings. (Refer to the Cessna 190 & 195 Operation Manual. Maintenance 

- Ailerons.) 

A. Install the aileron attach bolts kept in Step 58(1) to the inboard aileron hinge brackets on each 

wing with new MS20365-428 Nuts and torque to 70 inch-pounds. (Refer to the Cessna 190 & 

195 Parts Catalog.) 

B. Attach the aileron push rod to each aileron with the bolt and washers kept in Step 5A{1) and with one 

new MS20365-1032 Nut torqued to 25 inch-pounds. (Refer to the Cessna 190 & 195 Parts Catalog.) 

11. Check and adjust each aileron range of travel as necessary. (Refer to the Cessna 190 & 195 Operation 

Manual, Maintenance· Ailerons.) 

NOTE: The specified up range of travel is 25" and the down range of travel is 25°. 

NOTE: Refer to the record of aileron travel you recorded in Step 4. 

12. Make sure the tumbuckles are safetied after adjustments are completed. 

13. Remove maintenance warning tags from the battery and the external power receptacle. 

14. Connect the airplane battery and install the battery access panel. (Refer to the Cessna 190 & 195 

Parts Catalog.) 

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

Bulletin and if applicable, when the next inspection of the inboard aileron hinge brackets is due. 

NOTE: This information shall be considered an amendment to the Cessna Manufacturer's 

Service/Maintenance Manual, Operation Manual or Instructions for continued airworthiness and 

must be accomplished for ongoing airworthiness compliance as required per 14 CFR Part 43.13. 

I Page4 

SEB04-1 Revision 1 

October 3, 2012 
ll8.'l4 

CONTROL PULLEY 

BRACKET 

(REFERENCE) 

I SE804-1 Revision 1 

October 3, 2012 

BELL CRANK 

STOP ASSEMBLY 

(REFERENCE) 

DETAIL A 

RIGHT WING SHOWN 

LEFT WING OPPOSITE 

Fi~ Jre 1. (Sheet 1) 

AILERON BELL CRANK 

BRACKET 

(REFERENCE) 

WING TRAILING 

EDGE SPAR 

(REFERENCE) 

0322709 (LEFT) 

0322709-1 (RIGHT) 

AILERON HINGE BRACKET 

(REPLACE AS NECESSARY) 

04!0TI001 

AD424T1001 

Page 5 
0.30 

• OUTBD 

T 

AFT WING 

UPPER SPAR CAP 

(REFERENCE) 

TRIM THE AILERON FILLET 

AS SHOWN TO AlLOW THE 

NEW AILERON HINGE BRACKET 

TO MATCH FIT THE 

BRACKET HOLES. 

(NOTE3) 

DETAIL 8 

VIEW LOOKING UP 

LEFT WING SHOWN 

NOTE 1: THE PUSH ROD IS NOT SHOWN FOR CLARITY. 

NOTE 2: ALL DIMENSIONS SHOWN ARE IN INCHES. 

THE HASH MARKED AREA 

SHOWS WHERE THE 

AILERON HINGE BRACKET 

UPPER MOUNT PAD 

ATTACHES TO THE 

UPPER AFT WING SPAR CAP. 

AILERON 

PUSHROD 

SLOT 

(REFERENCE) 

(NOTE 1) 

NOTE 3: VIEW SHOWN IS AFTER AILERON FILLET HAS BEEN TRIMMED. 9G424T1002 

Figure 1. (Sheet 2) 

I Page 6 

SEB04·1 Revision 1 

October 3, 2012 
I SEB04· 1 Revision 1 

October 3, 2012 Page 7