# SDR O6WR201812130001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 12, 2018
- Submitted: December 13, 2018
- Operation: General aviation
- Aircraft: [N1218P](https://openairdocs.org/aircraft/N1218P), registered now
- Make and model: Cirrus SR20
- Registry model: [Cirrus SR20](https://openairdocs.org/model/cirrus-design-sr20) (OpenAirDocs)
- Aircraft serial: 1677
- Aircraft time: 1,654 hours
- Engine: Cont IO360ES
- System (JASC): [7714 · Engine RPM Indicating System](https://openairdocs.org/jasc/7714)
- Part: Keyway
- Condition: Worn
- Location: Tach Gen
- Part time: 106 hours
- Component: Tach Gen
- Component part number: 12323002
- Stage of operation: TX
- 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/O6WR201812130001

## Discrepancy

KEY ON DRIVE SHAFT FROM ENGINE TO TACHOMETER GENERATOR WORE AWAY CAUSING LOW/NO RPM INDICATION. FAILURE AFTER ONLY 106HRS MAY INDICATE POSSIBLE MANUFACTURE DEFECT

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