Service difficulty report · Skin · Doug DC873F

Difficulty date
July 14, 2003
Submitted
August 23, 2003
Operation
Air carrier
Aircraft
N604AL
Make and model
Doug DC873F
Aircraft serial
46047
Aircraft time
89,636 hours, 28,948 cycles
Part
Skin
Condition
Corroded
Location
Fuselage
Part time
89,636 hours, 28,948 cycles
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

FUSELAGE NOSE SECTION EXTERNAL SKIN CORRODED & DENTED BETWEEN STA 35.000 AND STA 70.000, L-31L TO L-31R. REMOVED FASTENERS & EXISTING EXTERNAL DOUBLER. REMOVED CORROSION, FOUND OUT OF LIMITS. TRIMMED OUT DAMAGED SKIN PANEL SEGMENT. PERFORMED EDDY CURRENT INSPECTION. FABRICATED NEW SKIN PANEL SEGMENT 7075-T6 AL0.050 AND 2 EXTERNAL DOUBLERS 7075-T6 AL0.190, 7075-T6 AL0.063 & 1 FINGER DOUBLER 7075-T6 AL0.032 AND 11 INTERNAL DOUBLER 7075-T6 AL0.050. CLEANED, TREATED, PRIMED AREA, NEW SKIN PANEL SEGMENT, INTERNAL/EXTERNAL DOUBLERS & FINGER DOUBLER. APPLIED PRC SEALANT TO FAYING SURFACES. INSTALLED FINGER DOUBLER, INTERNAL DOUBLERS, NEW SKIN PANEL SEGMENT, EXTERNAL DOUBLERS WITH NEW FASTENERS.

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