SDR GYN2006F00000

Service difficulty report · Alternator · Beech V35A

Difficulty date: August 16, 2006
Submitted: August 29, 2006
Operation: Air carrier
Aircraft: N7114N
Make and model: Beech V35A
Aircraft serial: D8668
Engine: Cont IO520B
System (JASC): 2420 · AC Generation System
Part: Alternator
Condition: Damaged
Location: Engine
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

REMOVED ALTERNATOR PN 1100715, SN 5050822, FOR REPLACEMENT DUE TO NO VOLTAGE OUTPUT, INSPECTED ALTERNATOR AND CRANKSHAFT GEARS BEFORE INSTALLING ANOTHER SERVICEABLE ALTERNATOR. FOUND TEETH ON BOTH GEARS DAMAGED BEYOND SERVICEABLE LIMITS. PITTING/FLAKING. THIS IS WHAT GEARS LOOK LIKE BEFORE CATASTROPHIC FAILURE. (K)

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