# SDR CALA2016012895052

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 28, 2016
- Submitted: January 28, 2016
- Operation: Air carrier
- Aircraft: [N212UA](https://openairdocs.org/aircraft/N212UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30218
- Aircraft time: 56,895 hours, 11,914 cycles
- Engine: Pwa PW4077
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Condition: Corroded
- Location: Rt 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/CALA2016012895052

## Discrepancy

RIGHT WING LOWER SKIN EXTERIOR SURFACE FOUND CORROSION AT STRINGER L10, BETWEEN WS 1128 - 1155.  CORROSION REMOVED & PROTECTED IAW SRM 51-10-02 & SRM 51-20-01.  SKIN ORIGINAL THICKNESS 0.176, BLEND OUT REMAIN 0.172.  HFEC INSPECTION, FLUORESCENT PENETRANT INSPECTION CARRIED OUT.  NO DEFECT WAS FOUND.

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