Service difficulty report · Stiffener · Doug MD11F

Difficulty date
October 13, 2021
Submitted
October 25, 2021
Operation
Air carrier
Aircraft
N275UP
Make and model
Doug MD11F
Aircraft serial
48774
Aircraft time
59,624 hours, 14,958 cycles
Part
Stiffener
Part number
ANB720313
Condition
None
Location
Lt Mlg W/W
Stage of operation
IN
How discovered
9
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

INSPECTION TYPE:4CLT MLG W/W VERTICAL STIFFENER CRACK AT AFT O/B WALL.REMOVED,FABRICATED AND REPLACED CRACKED VERTICAL STIFFENER IAW MD-11 SRM 51-35-01 AND SRM 51-33-01 (MINOR).

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