Service difficulty report · Shear Web · Boeing 747451

Difficulty date
December 4, 2007
Submitted
December 17, 2007
Operation
Air carrier
Aircraft
N667US
Make and model
Boeing 747451
Aircraft serial
24222
Aircraft time
75,742 hours, 9,239 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 "M" CHECK, FOUND CRACK IN TENSION TIE AREA GUSSET AND SHEAR WEB AT BS 1120. REPAIRED PER EA 63-211013.