# SDR USAA020171

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 24, 2002
- Submitted: July 11, 2002
- Operation: Air carrier
- Aircraft: [N394US](https://openairdocs.org/aircraft/N394US), registered now
- Make and model: Boeing 737-3B7
- Registry model: [Boeing 737-3B7](https://openairdocs.org/model/boeing-737-3b7) (OpenAirDocs)
- Aircraft serial: 23316
- System (JASC): [5542 · Rudder, Plate/Skin](https://openairdocs.org/jasc/5542)
- Part: Skin
- Condition: Corroded
- 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/USAA020171

## Discrepancy

PIT - FOUND RIB AND SKIN WITH HEAVY CORROSION 4 INCHES LONG BY 1 INCH WIDE, RUDDER COUNTER BALANCE STRUCTURE, RUDDER STATION 121.64.  LEVEL 2 CORROSION.  (M)

---
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.