Service difficulty report · Shear Tie · Boeing 747451

Difficulty date
March 11, 2007
Submitted
April 23, 2007
Operation
Air carrier
Aircraft
N666US
Make and model
Boeing 747451
Aircraft serial
23821
Aircraft time
74,899 hours, 9,354 cycles
Part
Shear Tie
Condition
Cracked
Location
1180
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 CRACKS ON UPPER LOBE TENSION TIE FRAME WEB FASTENER HOLES AT BS 1180 LT. REPAIRED PER EA 63-209218.