# SDR AALA20120720018

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 20, 2012
- Submitted: July 24, 2012
- Operation: Air carrier
- Aircraft: [N634AA](https://openairdocs.org/aircraft/N634AA), registered now
- Make and model: Boeing 757223
- Aircraft serial: 24592
- Aircraft time: 68,937 hours, 24,262 cycles
- System (JASC): [5754 · Leading Edge Devices](https://openairdocs.org/jasc/5754)
- Part: Skin
- Condition: Corroded
- Location: Le Slat
- 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/AALA20120720018

## Discrepancy

CORROSION ON NUMBER 9 SLAT UPPER SKIN AT MID SPAN.  REMOVED DAMAGED AREA AND INSTALLED DOUBLERS PER AARD 57-43-00-1.  INSTALLED COVE SKIN PER ESO 90249.

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