# SDR USAA002105

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 11, 2000
- Submitted: March 2, 2001
- Operation: Air carrier
- Aircraft: N523AU
- Make and model: Boeing 737-3B7
- Registry model: [Boeing 737-3B7](https://openairdocs.org/model/boeing-737-3b7) (OpenAirDocs)
- Aircraft serial: 23858
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- Location: Fuselage
- Part time: 42,517 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/USAA002105

## Discrepancy

CLT - FOUND TOP FLANGE CORRODED 46 INCHES, STATION 986, RBL 2 TO RBL 48.  REPLACED UPPER FLANGE OF FLOORBEAM PER TR 53-15-01B AND SRM 53-60-51.  (M)

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