# SDR UPS96220068

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 7, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N937UP
- Make and model: Boeing 727-25C
- Registry model: [Boeing 727-25C](https://openairdocs.org/model/boeing-727-25c) (OpenAirDocs)
- Aircraft serial: 19302
- System (JASC): [5720 · Wing Miscellaneous Structure](https://openairdocs.org/jasc/5720)
- Part: Stiffener
- Part number: 6516200361
- Condition: Corroded
- Location: Lt Wing
- 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/UPS96220068

## Discrepancy

INSPECTION TYPE 'C', CORROSION ON LT WING FRONT SPAR VERT STIFFENER 5TH STIFFENER O/B FROM ACCESS CUTOUT 7340.  REMOVED CORRODED STIFFENER, INSTALLED NEW SIFFENER PER SRM 51-3-2, 57-10-4 AND MM 28-11-0.

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