# SDR QXEA2011101000977

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 7, 2011
- Submitted: October 24, 2011
- Operation: Air carrier
- Aircraft: N403QX
- Make and model: Bombdr DHC8402
- Aircraft serial: 4037
- Aircraft time: 25,295 hours, 26,512 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Access Panel
- Condition: Corroded
- Location: Rt 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/QXEA2011101000977

## Discrepancy

SUSPECTED FRETTING CORROSION ON LANDING PLATE FOR RT WING ACCESS PANEL 621BT.  AIRCRAFT DOWN FOR C-CHECK.  BLENDED OUT CORROSION ON LANDING PLATE FOR PANEL 621BT IAW RD 8/4-57-441. NDT PERFORMED ON LANDING PLATE FOR PANEL 621BT CONFIRMED CRACK FREE AND FOUND TO BE WITHIN LIMITS PER RD 8/4-57-441.  MINIMUM THICKNESS REMAINING IS .187".  ALODINED AND PRIMED LANDING IAW PSM 1-84-3.

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