Service difficulty report · Propeller · Cessna 172M

Difficulty date
April 29, 2004
Submitted
June 4, 2004
Operation
General aviation
Make and model
Cessna 172M
Aircraft time
4,869 hours
Engine
Lyc O320E2D
Propeller
Mcauly 1C160CTM
Part
Propeller
Part number
1C160DTM755
Part serial
725826
Condition
Corroded
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

(CAN) PROPELLER WAS RECIEVED FOR 5 YR. CORROSION IAW CAR 625, APPENDIX C, PARAGRAPH 5. PROPELLER SPACER WAS VERY DIFFICULT TO REMOVE. UPON VISUAL INSPECTION OF SPACER DOWEL HOLES IT WAS FOUND THAT THEY WERE CORRODED BEYOND REPAIR RENDERING THE PROPELLER UNSERVICEABLE. THIS PROPELLER HAD BEEN PREVIOUSLY INSPECTED ON JULY 10/96 MAKING IT 3 YEARS OVER DUE FOR SERVICE. IF THE MAINTENANCE SCHEDULE SET OUT IN THE CARS HAD BEEN FOLLOWED, THIS PROPELLER MAY HAVE BEEN REPAIRED AND RETURNED TO SERVICE.

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