# SDR USAA991341

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 6, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N244US](https://openairdocs.org/aircraft/N244US), registered now
- Make and model: Boeing 737201
- Aircraft serial: 22752
- System (JASC): [5314 · Fuselage Main, Keel](https://openairdocs.org/jasc/5314)
- Part: Keel Beam
- Condition: Corroded
- Location: Bs 727
- Part time: 47,148 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/USAA991341

## Discrepancy

TPA - DURING CX-5 CHECK VISUAL AND EDDY CURRENT INSPECTION, FOUND MINOR CORROSION 4 INCH BY 6 INCH BOTTOM KEEL BEAM STATION 727 STRINGER 26L.  CORROSION LEVEL 1.  INSTALLED DOUBLER PER SRM 53-30-3 FIG 28.  (M)

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