# SDR 2003FA0001172

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 10, 2003
- Submitted: November 18, 2003
- Operation: General aviation
- Aircraft: N9557C
- Make and model: Piper PA-28-161
- Registry model: [Piper PA-28-161](https://openairdocs.org/model/piper-pa-28-161) (OpenAirDocs)
- Aircraft serial: 287816492
- Engine: Lyc O320D3G
- System (JASC): [7714 · Engine RPM Indicating System](https://openairdocs.org/jasc/7714)
- Part: Drive Shaft
- Part number: SL76121
- Condition: Loose
- Location: Tachometer
- Part time: 2 hours
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2003FA0001172

## Discrepancy

THE PRESSED IN SLEEVE THAT DRIVES THE TACH CABLE CAME LOOSE AND SPINS IN THE TACH SHAFT.  RESULTS IS NO TACH INDICATION.  SLEEVE TOO SMALL OR TACH SHAFT BORED OUT TOO MUCH, CAUSING INSUFICENT PINCH ON ASSEMBLY.

---
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.