SDR CA150831011

Service difficulty report · Drive Coupling · Beech 95B55

Difficulty date: August 26, 2015
Submitted: April 22, 2016
Operation: General aviation
Make and model: Beech 95B55
Aircraft time: 6,496 hours
Engine: Cont IO470L
Propeller: Hartzl PHCC3YF2
System (JASC): 7314 · Engine Fuel Pump
Part: Drive Coupling
Part number: 631683
Condition: Worn
Location: Fuel Pump
Stage of operation: CR
How discovered: O
Nature of condition: R, J
Precautionary procedure: E, A

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

What was found

(CAN) LEFT ENGINE LOST POWER IN FLIGHT, APPROXIMATELY 25 MINUTES AFTER DEPARTING, WHILE IN CRUISE AT 8000`, THE LT ENGINE QUIT. FUEL PUMP REMOVED AND FOUND THE COUPLING SHAFT PN: 631683 ROUNDED INTERNALLY AND DRIVE GEAR, PN: 631684 WORN. DRIVE GEAR AND COUPLING REPLACED.

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