# SDR USAA991079

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 18, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N340US](https://openairdocs.org/aircraft/N340US), registered now
- Make and model: Boeing 737301
- Aircraft serial: 23237
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- Location: Bs 1006
- Part time: 38,332 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/USAA991079

## Discrepancy

CLT - DURING Q-4 CHECK VISUAL INSPECTION, FOUND A 2 INCH AREA OF CORROSION AT BS 1006, LBL 38 T-CAP BEAM.  CORROSION LEVEL 2.  CORROSION TASK NR C53-202-01.  REMOVED AND REPLACED BEAM PER TR 53-10-05.  (M)

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