Service difficulty report · Rib · Boeing 747123

Difficulty date
August 6, 2003
Submitted
August 20, 2003
Operation
Air carrier
Aircraft
N676UP
Make and model
Boeing 747123
Aircraft serial
20101
Aircraft time
77,950 hours, 21,828 cycles
Part
Rib
Part number
65B101496
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 RT WING LE NR 18 VC FLAP IB ARM OB RIB AT ILES 802 CRACKED. STOP DRILLED CRACK TRIMMED OFF STIFFENER THE REPAIR FTG AND THE REPAIR STRAP INSTALLED IAW HXRS NR R57-41-35055 AND EO B747-5740-19118-A ISSUED FOR REPLACE THE RIB WITHIN 18 MONTHS AND PERFORM REPEAT DETAIL VISUAL INSP. AT 77 DAY INTERVALS FOR GENERAL REPAIR INTEGRITY AND CRACK PROPAGATION.