# SDR QXEA2011072700599

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 18, 2011
- Submitted: July 27, 2011
- Operation: Air carrier
- Aircraft: N423QX
- Make and model: Bombdr DHC8402
- Aircraft serial: 4153
- Aircraft time: 10,464 hours, 11,347 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Access Panel
- 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/QXEA2011072700599

## Discrepancy

LT WING ACCESS PANEL 524BT HAS CORROSION ON MATING SURFACE.  REMOVED CORROSION ON LT WING ACCESS PANEL 524BT PAD MATING SURFACE IAW RD 8/4-57-442.  REMAINING MATERIAL THICKNESS .117" WITH IN LIMITS IAW RD 8/4-57-442.  CONFIRMED CRACK FREE REF RD 8/4-57-4420. TREATED, PRIMED PANEL IAW RD 8/4-57-442.

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