# SDR USAA920081403

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 29, 2008
- Submitted: August 5, 2008
- Operation: Air carrier
- Aircraft: N424US
- Make and model: Boeing 737401
- Aircraft serial: 23991
- Aircraft time: 51,334 hours, 34,841 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Angle
- 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/USAA920081403

## Discrepancy

CLT-Q3- MAJOR REPAIR - LEVEL 2 CORROSION ON FORWARD ENTRY THRESHOLD Z-ANGLE AT BS 328.  REPLACED FORWARD ENTRY THRESHOLD Z-ANGLE AT BS 328 IAW B737 SRM 51-10-02 AND 51-40-02.  (A)

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