Service difficulty report · Shear Web · Boeing 747451

Difficulty date
December 11, 2014
Submitted
December 16, 2014
Operation
Air carrier
Aircraft
N675NW
Make and model
Boeing 747451
Aircraft serial
33001
Aircraft time
55,777 hours, 6,994 cycles
Part
Shear Web
Condition
Cracked
Location
Bs 1120
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

DURING INSPECTION, STRUCTURE UNDER STATE ROOM GALLEY 1 LAV.Z.Z220. FOUND TENSION TIE SLOPING SHEAR WEB & ANGLE CRACK AT BS 1120 S10 RT. TENSION TIE SLOPING SHEAR WEB AT RT STA1120 WAS REPAIRED IAW SRM.