# SDR 20010305CW013

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 23, 2001
- Submitted: March 5, 2001
- Operation: General aviation
- Aircraft: [N2240D](https://openairdocs.org/aircraft/N2240D), registered now
- Make and model: Piper PA-34-200T
- Registry model: [Piper PA-34-200T](https://openairdocs.org/model/piper-pa-34-200t) (OpenAirDocs)
- Aircraft serial: 347970032
- Engine: Tmeca ARRIEL1
- System (JASC): [7714 · Engine RPM Indicating System](https://openairdocs.org/jasc/7714)
- Part: Adapter
- Part number: 640925
- Condition: Failed
- Location: Tach Generator
- Part time: 274 hours
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/20010305CW013

## Discrepancy

90 DEGREE TACH ADAPTER PUT ON AIRCRAFT.  WHEN ADAPTER FAILS, THERE IS NO RPM INDICATION TO TACH.  PROBLEMS APPARENTLY VIBRATION INDUCED.  SOME PROVISION SHOULD BE MADE TO REINFORCE UNIT, OR RELOCATE IT TO AN AREA NOT AS PRONE TO VIBRATION.

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