# SDR TSAA9953041

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 19, 1999
- 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): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Condition: Corroded
- Location: Bs 939
- 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/TSAA9953041

## Discrepancy

BULGE AT BS 939 STR 27L, POSSIBLE CORROSION UNDER SKIN.  REMOVED, CLEANED, AND TREATED PER SRM 51-10-6.  INSTALLED FUSELAGE STRINGER REPAIR PER SRM 53-10-3 PAGE 10.  TAT:  47,785.0 HOURS.  TAC:  63,219.  (X)

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