# SDR USAA070504

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 29, 2007
- Submitted: June 29, 2007
- Operation: Air carrier
- Aircraft: N418US
- Make and model: Boeing 737401
- Aircraft serial: 23985
- Aircraft time: 50,460 hours, 50,460 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Condition: Corroded
- Location: Bs 328-344
- 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/USAA070504

## Discrepancy

FOUND CORROSION BETWEEN BS 328 AND 344, LBL 11 FLOOR SUPPORT.  REMOVED AND REPLACED FLOOR SUPPORT PER SRM 51-10-02; CORROSION TASK C53-107-01; LEVEL 2   DEFECT SIZE: 16".

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