# SDR IBU2001F00000

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 19, 2001
- Submitted: December 5, 2001
- Operation: Air carrier
- Aircraft: [N748CA](https://openairdocs.org/aircraft/N748CA), registered now
- Make and model: Cessna 421C
- Registry model: [Cessna 421C](https://openairdocs.org/model/cessna-421c) (OpenAirDocs)
- Aircraft serial: 421C0905
- Engine: Cont GTSIO520C
- System (JASC): [2434 · DC Generator-Alternator](https://openairdocs.org/jasc/2434)
- Part: Bolt
- Condition: Sheared
- Location: Alternator
- Component: Alternator
- Component part number: ALV9510
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IBU2001F00000

## Discrepancy

ALTERNATOR CASE THIN BOLTS ARE SHEARING.  BOLTS THAT RECOVERED FROM ENGINE COWLING, SHOWS SIGNS OF STRETCHING.  BOLTS POSSIBLE OVER TORQUED FROM FACTORY.

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