# SDR QXEA200602186

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 13, 2006
- Submitted: September 1, 2006
- Operation: Air carrier
- Aircraft: N424QX
- Make and model: Bombdr DHC8402
- Aircraft serial: 4006
- Aircraft time: 11,843 hours, 8,638 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin Panel
- Condition: Corroded
- Location: Lt 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/QXEA200602186

## Discrepancy

PDX: LT UPPER WING FUEL TANK ACCESS HOLE REBATES FROM STA YW42.00 TO YW191.20 HAVE FRETTING CORROSION AROUND BOLT HOLES AND KNIFE MARKS ON UPPPER SURFACE.  MAINTENANCE REPAIRED IAW RD 8/4-57-665, HORIZON EA 6-57-486 AND NDTM PART 1, 51-00-04 AND 51-00-06.

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