# SDR REXA2016020500219

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 5, 2016
- Submitted: February 18, 2016
- Operation: Air carrier
- Aircraft: N8977A
- Make and model: Cndair CL6002B19
- Aircraft serial: 7977
- Aircraft time: 23,544 hours, 20,904 cycles
- 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/REXA2016020500219

## Discrepancy

RIGHT WING LOWER WING PLANK ACCESS HOLE 640BB, WS 54.897, HAS FRETTING CORROSION AT INBD & OTBD ENDS.  INBD CORROSION MEASURES APPROX 9" LONG X 0.15" WIDE X 0.002" DEEP.  OTBD CORROSION MEASURES APPROX 11.3" LONG X 0.20" WIDE X 0.003" DEEP.  REPAIRED 640BB CUT OUT IAW GREO 601R-57-21-030 REV L DATED 02 05 14.  THIS IS A MAJOR REPAIR.  REF TO ATTACHED REO FOR WORK PERFORMED.

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