# SDR USAA051272

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 31, 2005
- Submitted: November 1, 2005
- Operation: Air carrier
- Aircraft: N779AU
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24996
- Aircraft time: 41,009 hours, 41,009 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Angle
- Condition: Corroded
- Location: Z Angle At L/H E
- 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/USAA051272

## Discrepancy

FOUND Z ANGLE CORRODED AT LT ENTRY DOOR.  REMOVED OLD Z ANGLE AND REPLACED WITH NEW PART IAW SRM 51-20-05, DEFECT SIZE: .75" BY 8".

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