Service difficulty report · Skin · Boeing 7474B5F

Difficulty date
July 29, 2019
Submitted
August 2, 2019
Operation
Air carrier
Aircraft
N446MC
Make and model
Boeing 7474B5F
Aircraft serial
33517
Aircraft time
65,195 hours, 11,381 cycles
Part
Skin
Condition
Corroded
Location
Nr 4 Pylon
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

AFTER REMOVED #4 PYLON FOUND SURFACE CORROSION ON I/B UNDER WING BOTH SIDE.(<P>#4 PYLON OUTBOARD PYLON I/B UNDER WING MID SPAR FTG SURFACE CORROSION SPOT FACE REPAIR AND BUSHING INSTALLED IAW SRM 57-20-90-2R-2 REPAIR 2. THIS REPAIR IS A CATEGORY B REPAIR.</P>)

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