# SDR IPXA2020041554267

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 9, 2020
- Submitted: April 15, 2020
- Operation: Air carrier
- Aircraft: [N278UP](https://openairdocs.org/aircraft/N278UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48577
- Aircraft time: 72,270 hours, 13,630 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Bulkhead
- Part number: APB74411
- Condition: Corroded
- Location: Fuselage
- 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/IPXA2020041554267

## Discrepancy

INSPECTION TYPE:3CCENTER WING BOX UPPER SKIN HAS CORROSION BETWEEN STR 22 AND FRONT SPAR AND BETWEEN X=-103 TO X=- 110.REPAIRED CORRODED CENTER WING BOX UPPER SKIN BETWEEN STR. 22 AND FRONT SPAR AND BETWEEN X=-103 TO X=- 110 IAW VT-SAA EA 011-5730-01-A8088 REV. I/R AND UPS EO MD11-5730-75860-A. (MAJOR)

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