# SDR UPS204817

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 17, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N909UP](https://openairdocs.org/aircraft/N909UP), registered now
- Make and model: Boeing 727-27C
- Registry model: [Boeing 727-27C](https://openairdocs.org/model/boeing-727-27c) (OpenAirDocs)
- Aircraft serial: 19115
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Condition: Corroded
- Location: Bs 770-800
- 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/UPS204817

## Discrepancy

WHILE IN FOR C-CHECK, MAINTENANCE FOUND CORROSION ON FUEL CELL UPPER SKIN BS 770 TO 800, LBL 64.  REMOVED CORROSION, FOUND TO BE OUT OF LIMITS PER SRM 57-30-1.  CUT OUT CORRODED SKIN AND REPAIRED PER EO B727-5730-7506-A.

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