# SDR USAA980186

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 9, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N257AU](https://openairdocs.org/aircraft/N257AU), registered now
- Make and model: Boeing 737201
- Aircraft serial: 22799
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Chord
- Condition: Corroded
- Location: Bs 718
- Part time: 40,383 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/USAA980186

## Discrepancy

INT - DURING Q-3 CHECK VISUAL INSPECTION, FOUND CORROSION 1 INCH BY 6 INCHES STATION 718 LEFT KEEL BEAM CHORD.  INSTALLED DOUBLER, REPAIRED PER EA 43946.  CORROSION TASK NR C53-212-01, CORROSION LEVEL 2.  (M)

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