Service difficulty report · Stiffener · Boeing 747446

Difficulty date
July 2, 2026
Submitted
July 2, 2026
Operation
Air carrier
Aircraft
N742CK
Make and model
Boeing 747446
Aircraft serial
24424
Aircraft time
126,527 hours, 25,963 cycles
Part
Stiffener
Condition
Damaged
Location
Zone 500
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

L/H WING T/E STIFFENER ON AFT SIDE OF AFT SPAR AT WBL 1150 DAMAGED.