# SDR IPXA2020091426147

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 20, 2020
- Submitted: September 14, 2020
- Operation: Air carrier
- Aircraft: [N286UP](https://openairdocs.org/aircraft/N286UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48453
- Aircraft time: 91,082 hours, 16,803 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Part number: APB74471
- Condition: Corroded
- Location: Fuselage
- 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/IPXA2020091426147

## Discrepancy

INSPECTION TYPE: 2C CENTER WING UPPER SKIN HAS CORROSION BETWEEN STRINGER S-14 AND S-15 AND BETWEEN XCW-81 TO XCW-118, P/N APB7447-1 AND APB7441-1.  REPAIRED CORRODED UPPER SKINS ON CENTER WING TANK FROM S-14 TO S-15 BETWEEN XCW-81 AND XCW-118, IAW EA 011-5730-01-A8520 REV IR AND EO MD11-5730-77794-A (MAJOR).

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