# SDR HAIHEEA9255

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 31, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N3893S
- Make and model: Bell 412
- Registry model: [Bell 412](https://openairdocs.org/model/bell-412) (OpenAirDocs)
- Aircraft serial: 33022
- System (JASC): [7714 · Engine RPM Indicating System](https://openairdocs.org/jasc/7714)
- Part: Tach Generator
- Part number: 32005037
- Condition: Shaft Sheared
- Location: Engine
- Part time: 33 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HAIHEEA9255

## Discrepancy

SHAFT SHEARED.  INSPECTED BY ACCESSORY OVERHAUL AND FOUND NO PROBLEM WITH TACH. GEN THAT WOULD HAVE CAUSED SHAFT TO SHEAR.

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