# SDR CA050322001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 21, 2005
- Submitted: May 2, 2005
- Operation: General aviation
- Make and model: Mooney M20C
- Registry model: [Mooney M20C](https://openairdocs.org/model/mooney-m20c) (OpenAirDocs)
- Aircraft time: 3,235 hours
- Engine: Lyc O360A1D
- Propeller: Hartzl HCC3YR
- System (JASC): [7714 · Engine RPM Indicating System](https://openairdocs.org/jasc/7714)
- Part: Shaft
- Part number: SL76121
- Condition: Separated
- Location: Tachometer
- 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/CA050322001

## Discrepancy

(CAN) TACHOMETER CABLE DRIVE SEPARATED FROM OUTER SHAFT HOUSING, AND TURNING BELOW TRUE ENGINE RPM WHICH IN TURN GAVE FALSE INDICATION.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.