# SDR USAA020168

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 26, 2002
- Submitted: July 11, 2002
- Operation: Air carrier
- Aircraft: N779AU
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24996
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Condition: Corroded
- Location: Fuselage
- 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/USAA020168

## Discrepancy

PIT - FOUND FLOOR SUPPORT CORRODED 2 INCHES BY 4 INCH AREA, FLOOR SUPPORT LBL 13 STATION 328-344.17.  CORROSION LEVEL 2.  CRM INSTALLED 113692 REF IPC 53-42-00-20, FASTENERS SRM 53-10-51 FIG 1.  (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.
