# SDR IPXA2021020665378

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 12, 2021
- Submitted: February 8, 2021
- Operation: Air carrier
- Aircraft: [N255UP](https://openairdocs.org/aircraft/N255UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48404
- Aircraft time: 88,229 hours, 19,093 cycles
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar Cap
- Part number: ARB74131
- Condition: Corroded
- Location: Lt 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/IPXA2021020665378

## Discrepancy

INSPECTION TYPE:4CLT WING UPPER T/E PANEL IS BULGED FWD OF #4 SPOILER.REPAIRED CORRODED LT WING UPPER REAR SPAR CAP AFT FLANGE BETWEEN XORS 645 AND XORS 673 IAW VT-SAA EA 011-5710-01-A8847 REV. IR AND UPS EO MD11-5710-79244-A. (MINOR)

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