# SDR 2021FA0000328

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 7, 2021
- Submitted: November 19, 2021
- Operation: General aviation
- Aircraft: [N107AB](https://openairdocs.org/aircraft/N107AB), 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: 347770341
- Aircraft time: 7,622 hours
- Engine: Cont IO360E
- System (JASC): [3100 · Indicating/Recording System](https://openairdocs.org/jasc/3100)
- Part: Tachometer
- Part number: D11125023
- Part serial: 22151
- Condition: Frozen
- Location: Cockpit
- Part time: 636 hours
- Stage of operation: CR
- 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/2021FA0000328

## Discrepancy

LEFT ENGINE TACHOMETER HOURS REPORTING FAILED / STOPPED REPORTING TACH HOURS.

---
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.