# SDR USAA960437

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 14, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N230AU
- Make and model: Boeing 737-2Q9
- Registry model: [Boeing 737-2Q9](https://openairdocs.org/model/boeing-737-2q9) (OpenAirDocs)
- Aircraft serial: 21975
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floor Beam
- Condition: Corrosion
- Location: Bs 987
- Part time: 43,662 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA960437

## Discrepancy

INT - DURING Q-4 CHECK, FOUND SEVERAL 1 INCH BY 2 INCH CORRODED AREAS AROUND NUT-PLATES SPANNING A TOTAL OF 86 INCHES, STATION 987 LBL 36 INCHES TO RBL 50 INCHES FLOOR BEAM.  REMOVED T-CAP SECTION OF FLOOR BEAM AND FABRICATED REPLACEMENT SECTION AND SPLICE BBL 36 TO RBL 50.  REPAIRED PER T/R 53-10-05C.  (M)

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