# SDR USAA980005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 10, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N784AU
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 25023
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Condition: Corrosion
- Location: Bs 986.5
- Part time: 19,266 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/USAA980005

## Discrepancy

INT - DURING 'Q-3' CHECK, VISUAL INSPECTION FOUND 50 INCHES OF CORROSION BS 986.5 LBL 44 RBL 46 FRAME.  REMOVED UPPER FLANGE AND INSTALLED REPLACEMENT PER TR 53-60-1.  CORROSION TASK NR:  C53-107-02.  CORROSION LEVEL:  2.  (X)

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