Service difficulty report · Panel · Bombdr DHC8401

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 FOR 523AT HAVE FRETTING. REMOVED CORROSION FROM 2 COUNTERSINK HOLES ON FORWARD EDGE OF PANEL USING SCOTCH BRITE. REMOVED CORROSION FROM REMAINING COUNTERSINK HOLES, BLENDED DAMAGE. MEASURED ALL HOLES, 4 HOLES OVERSIZED. MAPPED AND ROUTED TO ENGINEERING. HFEC INSPECTED BLENDS FOR CRACKS IAW D8/400 NDTM, PART M, 51-00-06, NO CRACKS NOTED. INSTALLED NEW PANEL 523AT IAW AMM TASK 57-11-01-400-801, PARAGRAPH 4D, STEP 9-12, PAGE 410 AND 57-11-01-400-801, PARAGRAPH 5, PAGE 410-411.