# SDR WRLA2007121

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 9, 2007
- Submitted: November 13, 2007
- Operation: Air carrier
- Aircraft: N278WA
- Make and model: Doug MD-11
- Registry model: [Doug MD-11](https://openairdocs.org/model/mcdonnell-douglas-md-11) (OpenAirDocs)
- Aircraft serial: 48746
- Engine: Pwa PW4462
- System (JASC): [5714 · Wing, Center Box](https://openairdocs.org/jasc/5714)
- Part: Skin
- Condition: Corroded
- Location: Rt 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/WRLA2007121

## Discrepancy

DURING C-CHECK INSPECTION CORROSION FOUND ON RIGHT CENTER WING TANK UPPER SKIN AT XCW=110S1.  ACCOMPLISHED ENGINEERING INSTRUCTION NO.W2007A57B-668 REV.00, REPAIR CORROSION ON CENTER WING UPPER SKIN UPPER SURFACE AT XCW=110 S1. REF EGAT NRC U05027.

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