# SDR USAA990544

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 29, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N510AU
- Make and model: Boeing 737-3B7
- Registry model: [Boeing 737-3B7](https://openairdocs.org/model/boeing-737-3b7) (OpenAirDocs)
- Aircraft serial: 23385
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Angle
- Condition: Corroded
- Location: Bs 947-986
- Part time: 40,289 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA990544

## Discrepancy

CLT - DURING Q-4 CHECK, FOUND 1 INCH BY 39 INCH CORRODED AREA AT Z-ANGLE AT STATION 947 TO 986.  CORROSION LEVEL 1, CORROSION TASK NR C53-107-02.  REPLACED Z-ANGLE PER SRM 51-10-02.  (M)

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