Service difficulty report · Rib · Doug MD11F

Difficulty date
November 6, 2007
Submitted
January 9, 2008
Operation
Air carrier
Aircraft
N291UP
Make and model
Doug MD11F
Aircraft serial
48477
Aircraft time
45,846 hours, 5,703 cycles
Part
Rib
Condition
Cracked
Location
Rt Wing
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

INSPECTION TYPE:C RIGHT WING L/E CAVITY, L/E RIB LOWER END SUSPECT CRACK AT 6 INCHES I/B OF SLAT TRACK NR 3 AS MARKED. HFEC INSPECTION C/O AT I/B OF SLAT TRACK NR 3, FOUND CRACK AS MARKED APPROX 1 INCH LENGTH. RIGHT WING L/E CAVITY, L/E LOWER RIB REMOVED PER SRM 51-31-01 VII R35. NEW RIB FAB PER BOEING DRW ARB3006. NEW RIB HEAT-TREATED, HOLES PICKED-UP, PROTECTED & PAINTED. NEW RIB INSTALLED PER SRM 51-31-0 1 VII R35.

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