Service difficulty report · Rib · Doug MD11F

Difficulty date
August 2, 2008
Submitted
August 21, 2008
Operation
Air carrier
Aircraft
N283UP
Make and model
Doug MD11F
Aircraft serial
48484
Aircraft time
53,491 hours, 10,475 cycles
Part
Rib
Condition
Cracked
Location
Lt Wing
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:C LT WING LOWER WINGLET FWD RIB FOUND CRACKED AS MARKED. CRACKED REMOVED PER SRM 51-31-01 V2 R40. NEW RIB FAB PER BOEING DRAWING ARB7774 USING MATL 7075-0-0.040". RIB HEAT TREATED TO T6 PER DPS7.001 HARDNESS HRB80.1 PER DPS1.053. NEW RIB HOLES P/UP&NEW RIB PROTECTED PER SRM51-21-01 V2 R40. NEW RIB INSTALLED PER SRM 51-31-01 V2 R40. PAINT TOUCH UP ON REPAIRED AREA PER SRM 51-21-02 V2 R40.

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