# SDR TSAA9751125

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 9, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N809AL](https://openairdocs.org/aircraft/N809AL), registered now
- Make and model: Boeing 737-2Q9
- Registry model: [Boeing 737-2Q9](https://openairdocs.org/model/boeing-737-2q9) (OpenAirDocs)
- Aircraft serial: 21720
- System (JASC): [5314 · Fuselage Main, Keel](https://openairdocs.org/jasc/5314)
- Part: Keel Beam
- Condition: Corroded
- Location: Bs 535
- 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/TSAA9751125

## Discrepancy

DISCREPANCIES FOUND DURING C AND CP1 VISIT.  BS 6.3 LEFT KEEL BEAM LOWER CHORD CORRODED AND CRACKED AT BS 535.  BLENDED CORROSION, OUTSIDE SRM LIMITS.  FLAP PEENED PER SRM 51-10-8, FABRICATED REPAIR DOUBLER FROM 7075-T6 EXTRUSION, FILLERS FROM 707T6 INSTALLED.  BOEING 8110-3 APPROVAL.  (M)

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