Service difficulty report · Rib · Doug MD11F

Difficulty date
July 14, 2007
Submitted
August 20, 2007
Operation
Air carrier
Aircraft
N289UP
Make and model
Doug MD11F
Aircraft serial
48455
Aircraft time
75,126 hours, 12,047 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 FIXED WING L/E INTERIOR AREA APPROX STA XOS 667 FOUND RIB CRACKED. CRACKED RIB REMOVED (REF C/N: MD072549, STEP FOR WORK DETAILS). NEW RIB FAB PER DWG ARB2930-20. RIB HEAT - TREATED PER DPS 7.00-1 & HARDNESS VALUE HRB 81.7 PER DPS1.05-3. HOLE PICKED UP SRM 51-31-01 VII R38. NEW RIB REPROTECTED AND PAINTED SRM 51--21-01 VII R38. RIB INSTALLED REF C/N: MD072549 FOR WORK DETAILS.

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