Service difficulty report · Rib · Boeing 747123F

Difficulty date
May 19, 2005
Submitted
June 8, 2005
Operation
Air carrier
Aircraft
N677UP
Make and model
Boeing 747123F
Aircraft serial
20391
Aircraft time
94,338 hours, 23,406 cycles
Part
Rib
Condition
Cracked
Location
Rt 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 RIGHT WING BS 1241 UPPER REAR SPAR SPLICE BOLT HOLE NR 9 FOUND CRACKED AT RIB CHORD (CRACK LENGTH 0.040 INCH). HOLE REWORKED AS PER EO B747-5740-17032-C.