# SDR USAA960484

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 22, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N278AU
- Make and model: Boeing 737-2B7
- Registry model: [Boeing 737-2B7](https://openairdocs.org/model/boeing-737-2b7) (OpenAirDocs)
- Aircraft serial: 22890
- System (JASC): [5314 · Fuselage Main, Keel](https://openairdocs.org/jasc/5314)
- Part: Keel Beam
- Condition: Corrosion
- Location: Bs 672-727
- Part time: 35,513 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/USAA960484

## Discrepancy

INT - DURING 'Q-3' CHECK VISUAL INSPECTION, FOUND FRETTING CORROSION 55 INCHES RIGHT KEEL BEAM LOWER CORD STA 672 TO STA 727.  INSTALLED REPAIR STRAP, REPAIRED PER EA 41232.  CORROSION TASK NR:  C53-212-01.  CORROSION LEVEL:  2.  (X)

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