Service difficulty report · Alternator · Piper PA31350

Difficulty date
December 3, 2004
Submitted
March 3, 2005
Operation
General aviation
Make and model
Piper PA31350
Aircraft time
10,564 hours
Engine
Lyc TIO540J2BD
Part
Alternator
Part number
ALT8421R
Part serial
5061301
Condition
Seized
Location
Rt Engine
Stage of operation
CR
How discovered
O
Nature of condition
H
Precautionary procedure
O

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

What was found

(CAN) ON A FLIGHT, PILOT NOTIED RH ALT OUT LIGHT CAME ON. PILOT CONTINUED FLIGHT AIRPORT. MAINTENANCE THE NEXT MORNING NOTICED THAT THE RT ALTERNATOR BELT HAD BROKEN AND THAT THE ALTERNATOR WAS SEIZED. ALTERNATOR WAS REMOVED AND DISSASSEMBLED FRONT AND REAR BEARINGS WERE DESTROYED AND BRUSH HOLDER WAS DAMAGED.

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