# SDR USAA2009051891224

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 19, 2009
- Submitted: May 22, 2009
- Operation: Air carrier
- Aircraft: N442US
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24841
- Aircraft time: 50,690 hours, 35,234 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Angle
- Part number: 65C807351
- 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/USAA2009051891224

## Discrepancy

CLT - Q1 - MAJOR REPAIR - NR 03C10853029/003 - LEVEL 2 EXFOLIATION CORROSION ON CREASE BEAM INNER CHORD Z ANGLE BETWEEN BS947 TO BS991, S17R.  REPLACED CREASE BEAM INNER CHORD Z ANGLE BETWEEN BS947 TO BS991, S17R IAW B737 SRM 51-10-02.

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