# SDR UPS97224742

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 20, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N903UP](https://openairdocs.org/aircraft/N903UP), registered now
- Make and model: Boeing 727-51C
- Registry model: [Boeing 727-51C](https://openairdocs.org/model/boeing-727-51c) (OpenAirDocs)
- Aircraft serial: 18945
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Stiffener
- Condition: Corroded
- Location: Bs 344
- 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/UPS97224742

## Discrepancy

INSPECTION TYPE-SI, CORROSION (C53-111-01.05-01) ON VERTICAL STIFFENER BS 344, WL 181 TO 183, LBL 12     CORROSION FOUND TO BE OUT OF LIMITS PER SRM 53-10-1.  REMOVED AND REPLACED STIFFENER PER SRM 51-30-2.

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