# SDR USAA020312

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 23, 2002
- Submitted: September 11, 2002
- Operation: Air carrier
- Aircraft: N389US
- Make and model: Boeing 737-3B7
- Registry model: [Boeing 737-3B7](https://openairdocs.org/model/boeing-737-3b7) (OpenAirDocs)
- Aircraft serial: 23311
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Condition: Corroded
- Location: Fuselage
- Part time: 48,430 hours
- 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/USAA020312

## Discrepancy

PIT - FOUND FRAME CORRODED 4 INCHES BY 8 INCHES, STATION 500C BETWEEN STRINGER 28R AND 29L FORWARD SIDE OF FRAME.  CORROSION REMOVED, TREATED, PRIMED, PAINTED PER SRM 51-20-04, 51-10-02.  (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, except the copies of manufacturers’ service documents, which belong to their rights holders.