# SDR UIEA2018110902550

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 9, 2018
- Submitted: November 9, 2018
- Operation: Air carrier
- Aircraft: [N249BA](https://openairdocs.org/aircraft/N249BA), registered now
- Make and model: Boeing 747409
- Aircraft serial: 24309
- Aircraft time: 80,860 hours, 15,662 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Condition: Corroded
- Location: Lt Wing
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2018110902550

## Discrepancy

CORROSION FOUND ON THE LT WING SPAR, LOWER SKIN.  REPAIRED IAW EI T2018A57M-6142, REV1.

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