# SDR USAA070413

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 23, 2007
- Submitted: May 23, 2007
- Operation: Air carrier
- Aircraft: N420US
- Make and model: Boeing 737401
- Aircraft serial: 23987
- Aircraft time: 50,436 hours, 50,436 cycles
- System (JASC): [5340 · Fuselage Main, Attach Fittings](https://openairdocs.org/jasc/5340)
- Part: Mount
- Condition: Corroded
- Location: Fuselage
- 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/USAA070413

## Discrepancy

STA 947, LBL 25, INBOARD AFT LAV MOUNT HAS CORROSION.  REMOVED & REPLACED NEW PART PER IPC 53-42-00:  CORR TASK C53-107-02; LEVEL 2, DEFECT SIZE:  3 INCHES.

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