# SDR 7AHR20131129003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 20, 2013
- Submitted: November 29, 2013
- Operation: Air carrier
- Aircraft: N836NK
- Make and model: Doug MD 83
- Registry model: [Doug MD 83](https://openairdocs.org/model/mcdonnell-douglas-md-83) (OpenAirDocs)
- Aircraft serial: 53045
- System (JASC): [2720 · Rudder Control System](https://openairdocs.org/jasc/2720)
- Part: Torque Tube
- Part number: 5912802503
- Condition: Worn
- Location: Rudder
- 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/7AHR20131129003

## Discrepancy

UPON REMOVAL OF RUDDER ASSEMBLY, THE TORQUE TUBE ASSEMBLY WAS FOUND TO HAVE PITTING CORROSION & WEAR DAMAGE BEYOND ALLOWABLE LIMITS.

---
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.