Service difficulty report · Spar · Boeing 747123

Difficulty date
January 21, 2004
Submitted
February 4, 2004
Operation
Air carrier
Aircraft
N672UP
Make and model
Boeing 747123
Aircraft serial
20324
Aircraft time
70,871 hours, 20,783 cycles
Part
Spar
Condition
Cracked
Location
Nr 2 Pylon
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 NR 2 PYLON - LWR WEB CRACKED THRU FASTENERS AFT OF PNEU DUCT CUTOUT APPROX 15 INCHES FWD OF AFT MOUNT, CRACK RUNS LONGITUDINALLY. LWR SPAR 5 LOCATIONS CRACK END BY STOP DRILLED HOLES PER SRM 54-10-03 FIG 2 NDT CONFIRMED NIL CRACKS AND PERFORMED A PERMANENT REPAIRED AS PER SRM 54-10-03 FIG 2 AT NAS STA 213.