# SDR BIER950010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 21, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N9211K
- Make and model: Piper PA-34-200T
- Registry model: [Piper PA-34-200T](https://openairdocs.org/model/piper-pa-34-200t) (OpenAirDocs)
- Aircraft serial: 347670191
- Engine: Cont TSIO360E
- System (JASC): [7714 · Engine RPM Indicating System](https://openairdocs.org/jasc/7714)
- Part: Adapter Shaft
- Part number: 640925
- Condition: Sheared
- Location: Tach Drive
- Stage of operation: CR
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/BIER950010

## Discrepancy

TACH INDICATED 0 RPM BUT ENGINE RAN NORM.  FOUND TACH DRIVE ADAPTER SHEARED AT ATTACH NUT.  REMOVED AND REPL WITH NEW.

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