# SDR CA040921001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 8, 2004
- Submitted: March 3, 2005
- Operation: General aviation
- Make and model: Piper PA-31-350
- Registry model: [Piper PA-31-350](https://openairdocs.org/model/piper-pa-31-350) (OpenAirDocs)
- Aircraft time: 13,722 hours
- Engine: Lyc TIO540J2BD
- System (JASC): [5540 · Rudder Structure](https://openairdocs.org/jasc/5540)
- Part: Torque Tube
- Part number: 40040009
- Condition: Corroded
- Location: Rudder
- Part time: 13,722 hours
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA040921001

## Discrepancy

(CAN) INTERNAL INSPECTION OF RUDDER REVEALED SURFACE CORROSION AND SURFACE PITTING. TORQUE TUBE REPLACED WITH NEW P/N 40040-009.

---
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.