# SDR USAA2009101992809

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 22, 2009
- Submitted: October 20, 2009
- Operation: Air carrier
- Aircraft: N455UW
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24997
- Aircraft time: 50,559 hours, 33,599 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Support
- Part number: 69412285
- 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/USAA2009101992809

## Discrepancy

SAL - Q2 - MAJOR REPAIR - CORROSION ON STOP SUPPORT AT LOWER SILL OF AFT SERVICE DOOR CUTOUT STRUCTURE BS 967, RBL 60.  REPLACED STOP SUPPORT AT LOWER SILL OF AFT SERVICE DOOR CUTOUT STRUCTURE BS 967, RBL 60 IAW B737 SRM 51-10-02 & 51-40-02.

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