# SDR UPS405518

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 1, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N691UP](https://openairdocs.org/aircraft/N691UP), registered now
- Make and model: Boeing 747121
- Aircraft serial: 19641
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Corroded
- Location: Ws 1280
- 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/UPS405518

## Discrepancy

WHILE IN FOR C-CHECK AT AMS, MAINTENANCE REPORTED RT WING L/E LOWER SKIN AND LOWER CHORD WS 1280 FOUND CORRODED.  REPAIRED CHORD AND SKIN ACC KLM DFX 96-027R1 ISSUE NR 3 REPAIR APPROVED PER UPS EFN 747-57-0308.

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