# SDR UPS96220739

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 26, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N904UP](https://openairdocs.org/aircraft/N904UP), registered now
- Make and model: Boeing 727-51C
- Registry model: [Boeing 727-51C](https://openairdocs.org/model/boeing-727-51c) (OpenAirDocs)
- Aircraft serial: 18946
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Cracked
- Location: Fs 850-870
- 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/UPS96220739

## Discrepancy

INSPECTION TYPE-C, MAIN CABIN FS 850 TO 870 BL 0 TO LBL 45 CENTER TANK UPPER PRESSURE SKIN HAS CORROSION.  REMOVED AND AREA NOTED WAS SUBMITTED TO ENG FOR REPAIR.  FLAP PEENING DAMAGE AREA PER DHC SK 904-400-AND BOEING M/M 20-10-3.  ALODINE AND PRIMED STRUCTURE AND REINSTALLED FASTENERS PER SK 904-400 AND SRM 51-20-4.

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