# SDR IPXA2021030266291

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 8, 2021
- Submitted: March 5, 2021
- Operation: Air carrier
- Aircraft: [N251UP](https://openairdocs.org/aircraft/N251UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48744
- Aircraft time: 62,870 hours, 14,148 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Part number: ARB74044
- Condition: Corroded
- Location: Rt Wing
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2021030266291

## Discrepancy

INSPECTION TYPE:3CR/H WING UPPER SURFACE HAS CORROSION BETWEEN STA. XORS. 850 TO 881.5 AT AFT SPAR AND STR.1.REPAIRED CORRODED R/H WING UPPER SKIN IAW VYT-SAA EA 011-5730-01-A8900 REV. I/R AND UPS EO MD11-5710-79491-A.

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