- Difficulty date
- August 17, 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
- Part
- Panel
- Condition
- Corroded
- Location
- Zone 500
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX - COUNTERSINKS IN PANEL 522AT HAVE FRETTING. REMOVED CORROSION AND DAMAGE. NO MEASUREMENTS MADE. MAPPED COUNTERSINKS FOR ENGINEERING. HFEC INSPECTED BLENDED PANEL FOR CRACKS IAW D8/400 NDTM PART 1, 51-00-06/ NO CRACKS NOTED. INSTALLED NEW PANEL 522AT IAW DASH-8 400 AMM 57-11-01, PARAGRAPH 1-4A-D1, 2.