# SDR 98ZZZX3885

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 11, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N5614C
- Make and model: Cessna 414A
- Registry model: [Cessna 414A](https://openairdocs.org/model/cessna-414a) (OpenAirDocs)
- Aircraft serial: 414A0203
- System (JASC): [7714 · Engine RPM Indicating System](https://openairdocs.org/jasc/7714)
- Part: Tach Generator
- Part number: 22A667
- Condition: Failed
- Location: Left Engine
- 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/98ZZZX3885

## Discrepancy

THE LT ENGINE RPM GAUGE FAILED ON RUN-UP. DISCOVERED THE TACHOMETER GENERATOR P/N 22A667 DRIVE SHAFT HAD SHEARED.  THE TACHOMETER GENERATOR WAS REPLACED AND AIRPLANE RETURNED TO SERVICE.  THE TACHOMETER HAD BEEN OVERHAULED AND PUT BACK INTO SERVICE 3-29-96.  TOTAL TIME SINCE OVERHAUL 1497.7 HOURS.

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