# SDR AALA201805149028

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 11, 2018
- Submitted: May 16, 2018
- Operation: Air carrier
- Aircraft: [N798AN](https://openairdocs.org/aircraft/N798AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30797
- Aircraft time: 69,172 hours, 8,739 cycles
- System (JASC): [5751 · Ailerons](https://openairdocs.org/jasc/5751)
- Part: Skin
- Condition: Contaminated
- Location: Lt Aileron
- 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/AALA201805149028

## Discrepancy

THE LEFT OUTBOARD AILERON LOWER SURFACE HAS MOISTURE INGRESS AT MULTIPLE AREAS, LOCATED 3.5 IN FROM INBOARD EDGE AND 4"  IN FROM THE LEADING EDGE, 9" IN FROM TRAILING EDGE AND 4" IN FROM INBOARD EDGE, AND 8.5" IN FROM TRAILING EDGE AND 9.5 " IN FROM LEADING EDGE.  REPAIRED IAW EA 280505C.

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