What was found
ALTERNATOR HUB ASSEMBLY SHEARED (DESIGNED TO DO THIS) AND/OR BECAME OBLONG AND THEN SHEARED THE SHAFT OF THE ALTERNATOR ALLOWING IT TO COME IN CONTACT WITH THE CRANKSHAFT AND CONTAMINATING THE OIL WITH METAL.
- Difficulty date
- October 19, 2005
- Submitted
- November 9, 2005
- Operation
- Air carrier
- Aircraft
- N11HW
- Make and model
- Beech 58
- Aircraft serial
- TH271
- Aircraft time
- 12,677 hours
- Engine
- Cont IO520*
- Engine time
- 1,874 hours
- System (JASC)
- 2430 · DC Generating System
- Part
- Hub
- Part number
- 646655A1
- Condition
- Sheared
- Location
- Zone 400
- Part time
- 511 hours
- Component
- Alternator
- Component part number
- ALT9522
- Stage of operation
- CL
- How discovered
- V
- Nature of condition
- Y, F, P
- Precautionary procedure
- A, E
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.