# SDR IPXA2021051569410

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 22, 2021
- Submitted: May 20, 2021
- Operation: Air carrier
- Aircraft: [N291UP](https://openairdocs.org/aircraft/N291UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48477
- Aircraft time: 77,006 hours, 13,225 cycles
- System (JASC): [5710 · Wing Main, Frame Structure](https://openairdocs.org/jasc/5710)
- 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/IPXA2021051569410

## Discrepancy

INSPECTION TYPE:2CLT WING UPPER T/E PANEL HAS FASTENERS PULLING THROUGH FWD OF O/B AILERON AT APPROX XORS 1038.REPAIRED CORRODED LT WING REAR SPAR UPPER CAP AFT FLANGE BETWEEN XORS 897 - XORS 1043 IAW VT-SAA EA 011-5710-01-A9070 REV. IR AND UPS EO MD11-5710-80377-A. (MAJOR)

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