Service difficulty report · Flex Coupling · Piper PA31350

Difficulty date
July 27, 2007
Submitted
September 5, 2007
Operation
General aviation
Make and model
Piper PA31350
Aircraft time
8,766 hours
Engine
Lyc TIO540J2BD
Propeller
Hartzl HCE3YR2A
Part
Flex Coupling
Part number
486597
Condition
Seized
Location
Flap Motor
Component
Motor
Component part number
1202001
Stage of operation
CL
How discovered
O
Nature of condition
F
Precautionary procedure
A

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

What was found

(CAN) ON CLIMB OUT PILOT FOUND HIS FLAP CIRCUIT BREAKER HAD POPPED AND HIS FLAPS WOULD NOT RETRACT. HE MADE AN UNEVENTFUL LANDING. UPON TROUBLE SHOOTING, IT WAS FOUND THAT THE R/H FLAP FLEX SHAFT (MOTOR TO TRANSMISSION) WAS SEIZED. AS A RESULT OF THE SEIZED SHAFT, THE MOTOR WAS ALSO DAMAGED. THE MOTOR AND SHAFT HAVE BOTH BEEN REPLACED AND THE AIRCRAFT RELEASED FOR SERVICE. (TC NR 20070731002)

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