Service difficulty report · Skin · Boeing 7572T7

Difficulty date
September 26, 2019
Submitted
October 11, 2019
Operation
Air carrier
Aircraft
N939FD
Make and model
Boeing 7572T7
Aircraft serial
24528
Aircraft time
63,696 hours, 23,611 cycles
Part
Skin
Condition
Corroded
Location
Cargo Door
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

FWD CARGO DOOR LOWER SKIN CORROSION ON INTERNAL SKIN REMOVED CORROSION ON LOWER INNER SKIN AT LOCATIONS 12" AND 18" FROM FORWARD EDGE AND 12" FROM AFT EDGE AND FOUND TO BE OUTSIDE LIMITS IAW SRM 52-30-01-1A FIG 101 DETAIL V, MAX ALLOWABLE BLEND = 0.006" ACTUAL BLEND DEPTH .023". REPAIR CARRIED OUT IAW FEDEX EA # F-5230-T0349795 P1 AND SRM 52-30-01 REPAIR 4

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