Service difficulty report · Rib · Boeing 747121

Difficulty date
February 13, 2007
Submitted
March 16, 2007
Operation
Air carrier
Aircraft
N683UP
Make and model
Boeing 747121
Aircraft serial
20353
Aircraft time
90,184 hours, 22,066 cycles
Part
Rib
Part number
65B708285
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 LEFT WING NR 5 VC FLAP I/B ACTUATOR ATT L/E SUPPORT RIB AT OLES 1205 ORIGINAL CRACK EXTENDED TOWARD O/B. CRACK LENGTH .25 INCH. LEFT WING NR 5 VC FLAP I/B ACTUATOR L/E SUPPORT RIB AT OLES 1205 REPAIRED AS PER RS R57-42-35767. REPEAT INSPECTION IS REQUIRED AS PER RS R57-42-35767 AND UPS EO B747-5740-26319.