# SDR RYN2002F00004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 14, 2001
- Operation: Air carrier
- Aircraft: [N357QS](https://openairdocs.org/aircraft/N357QS), registered now
- Make and model: Boeing 727-21
- Registry model: [Boeing 727-21](https://openairdocs.org/model/boeing-727-21) (OpenAirDocs)
- Aircraft serial: 19259
- Engine: Pwa JT8D1
- System (JASC): [5100 · Standard Practices/Structures](https://openairdocs.org/jasc/5100)
- Part: Stringer
- Condition: Corroded
- Location: Bs1148-Bs1166
- 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/RYN2002F00004

## Discrepancy

STRINGER EXFOLIATED BETWEEN BS 1148 TO BS 1166 BETWEEN STRINGER 3L AND 4L IN THE AFT CABIN CROWN AREA.  ACCOMPLISHED FUSELAGE STRINGER REPAIR BS 1148 TO 1166 BETWEEN STRINGER 3L AND 4L.  DUE TO CORROSION IAW SRM.  (MATERIAL USED 301 CRESS .5000 HARD .050 INCH, 14 INCH X 1 INCH X 2 INCH.)

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