# SDR USAA050335

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 23, 2005
- Submitted: March 15, 2005
- Operation: Air carrier
- Aircraft: [N438US](https://openairdocs.org/aircraft/N438US), registered now
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24560
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 1137215
- Condition: Corroded
- Location: Fuselage
- Part time: 40,959 hours
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA050335

## Discrepancy

PIT - FOUND FLOORBEAM CORRODED 8 INCHES, STATION 312.  CORROSION LEVEL 1, TASK C53-107-01.  REMOVED AND REPLACED PER SRM AND IPC 53-4200 FIG 2.  (M)

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