What was found
PILOT REPORTED ELECTRICAL FAILURE. INSPECTED ACFT, FOUND A/C IDLER PULLEY BEARING SEIZED, CAUSING PULLEY TO COME OFF AND CUT THROUGH SENSOR ALTERNATOR-OUT CONTROL BOX WIRING BUNDLE, CAUSING A/C AND ELECTRICAL POWER TO FAIL.
- Difficulty date
- December 15, 2012
- Submitted
- January 11, 2013
- Operation
- General aviation
- Aircraft
- N18327
- Make and model
- Beech A36
- Aircraft serial
- E1286
- Engine
- Cont IO520BB
- Propeller
- Mcauly 3A32C76
- System (JASC)
- 2421 · AC Generator-Alternator
- Part
- Bearing
- Part number
- 646391
- Condition
- Failed
- Location
- Idler Pulley
- Part time
- 1,196 hours
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.