# SDR IPXA2017082921097

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 3, 2017
- Submitted: August 30, 2017
- Operation: Air carrier
- Aircraft: [N254UP](https://openairdocs.org/aircraft/N254UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48406
- Aircraft time: 71,958 hours, 14,772 cycles
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar Cap
- Part number: ARB74131
- Condition: Corroded
- Location: Left Wing
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2017082921097

## Discrepancy

INSPECTION TYPE: 3C, LT WING REAR SPAR UPPER CAP HAS CORROSION BETWEEN  XORS. 582.5 TO 589 AND XORS. 591.5 TO 598.  REPAIRED THE LT WING REAR SPAR UPPER CAP IAW EA 011-5710-01-A6939, REV. I/R, AND EO MD11-5710-65339-A.

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