# SDR USAA020136

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 21, 2002
- Submitted: September 16, 2002
- Operation: Air carrier
- Aircraft: N778AU
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24980
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Condition: Corroded
- Location: Fuselage
- Part time: 31,481 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/USAA020136

## Discrepancy

PIT - FOUND FLOOR SUPPORT CORRODED 1 INCH BY 4 INCH AREA, LBBL 13.80 STATION 787-847.  SPLICED IN NEW SECTION OF FLOOR SUPPORT FROM STATION 785-880 PER SRM 53-30-53 FIG 203.  (M)

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