# SDR IPXA12M75176

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 14, 2012
- Submitted: September 7, 2012
- Operation: Air carrier
- Aircraft: N270UP
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48576
- Aircraft time: 46,791 hours, 12,113 cycles
- Engine: Pwa PW4460
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Part number: APB74471
- Condition: Corroded
- Location: Center 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/IPXA12M75176

## Discrepancy

INSPECTION TYPE: 4C, CENTER WING UPPER SKIN IN MAIN CABIN SUBFLOOR CORRODED NEAR BS 1234 RBL 83 (STA XCW -81 BETWEEN S14 & S15).  REPAIRED CORRODED CENTER WING UPPER SKIN AT XCW -81 BETWEEN S14 AND S15 IAW EA 011-5730-01-A4213 REV IR AND EO MD11-5730-48439-A.

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