Service difficulty report · Chain · Cessna 172N

Difficulty date
October 28, 2014
Submitted
March 12, 2015
Operation
General aviation
Make and model
Cessna 172N
Aircraft time
10,186 hours
Engine
Lyc O320H2AD
Part
Chain
Condition
Disconnected
Location
Elevator Trim
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

(CAN) AN ACCEPTANCE INSPECTION OF OUTSIDE CONTRACT WORK, WAS PERFORMED ON THIS AIRCRAFT, AFTER WORK WAS PERFORMED ON THE HORIZONTAL STAB. IT WAS FOUND THAT THE ELEVATOR TRIM CHAIN WAS NOT CONNECTED TO THE SPROCKET AT THE PILOTS TRIM HAND WHEEL. THE TRIM MOVED QUITE WELL HOWEVER, BUT WITH A CLICKING NOISE AND ROUGHNESS, WHICH ALERTED TO THE PROBLEM. CABLES WERE ALL AT PROPER TENSION IN THIS STATE, AND THE TRIM TAB OPERATED GIVING PROPER DEFLECTION. THIS INSPECTION WAS A RESULT OF WORK ACCOMPLISHED BY REMOVING THE AIRCRAFT HORIZONTAL STABILIZER, TO REPAIR A SKIN CRACK IN ACCORDANCE WITH SEB94-8.

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