Service difficulty report · Spar · Boeing 747121

Difficulty date
September 25, 2004
Submitted
October 8, 2004
Operation
Air carrier
Aircraft
N681UP
Make and model
Boeing 747121
Aircraft serial
19661
Aircraft time
104,265 hours, 26,546 cycles
Part
Spar
Condition
Cracked
Location
Nr 3 Pylon
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, A 3 INCH CRACK WAS FOUND AT LOWER WEB AT NAC 220 OF NR 3 PYLON AT PER O/B SIDE. NR 3 PYLON NAC STA 220 O/B SIDE AFT LOWER SPAR WEB REPAIRED AS PER SRM 54-10-03 FIG 23.