# SDR QXEA200400646

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 19, 2004
- Submitted: August 31, 2004
- Operation: Air carrier
- Aircraft: N400QX
- Make and model: Bombdr DHC8401
- Aircraft serial: 4030
- Aircraft time: 7,741 hours, 8,696 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Panel
- Condition: Corroded
- Location: Zone 500
- 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/QXEA200400646

## Discrepancy

COUNTERSINKS IN PANEL 522CT HAVE FRETTING.  REMOVED CORROSION FROM COUNTERSINKS ON PANEL 522CT WITH SCOTCH BRITE.  MAPPED FOR ENGINEERING.  OK TO INSTALL NEW FROM STOCK 522CT PANEL IAW D-84 AMM 57-11-01-400-801, PARAGRAPH 1-4, A-D (1-8).

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