# SDR WRLA2007106

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 8, 2007
- Submitted: October 11, 2007
- Operation: Air carrier
- Aircraft: [N273WA](https://openairdocs.org/aircraft/N273WA), registered now
- Make and model: Doug MD-11
- Registry model: [Doug MD-11](https://openairdocs.org/model/mcdonnell-douglas-md-11) (OpenAirDocs)
- Aircraft serial: 48519
- Engine: Pwa PW4462
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Part number: APB74411
- Condition: Corroded
- Location: 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/WRLA2007106

## Discrepancy

DURING 4C+12A CHECK, SEVERAL CORROSION AREAS WERE FOUND ON CENTER WING TANK UPPER SKIN AT XCW=-110 TO XCW=-106 BETWEEN S-15 TO S-22 AND STA XCW=107 BETWEEN S-18 TO S-15.   10-29-07   REPAIRED PER EGAT ENGINEERING INSTRUCTION W2007A57B-638 REV.00.

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