# SDR UPS98227531

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 4, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N905UP](https://openairdocs.org/aircraft/N905UP), registered now
- Make and model: Boeing 727-51C
- Registry model: [Boeing 727-51C](https://openairdocs.org/model/boeing-727-51c) (OpenAirDocs)
- Aircraft serial: 18947
- System (JASC): [2810 · Fuel Storage](https://openairdocs.org/jasc/2810)
- Part: Clamp Ring
- Condition: Corroded
- Location: Ws 185
- 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/UPS98227531

## Discrepancy

INSPECTION TYPE-D, NR 2 TANK ACCESS PANEL RT WING SHOWING EVIDENCE OF FRETTING CORROSION ON CLAMP RING.  CLAMP RING REPLACED PER TC NR C57-571-01-2D.

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