Service difficulty report · Channel · Boeing 747422

Difficulty date
November 9, 2013
Submitted
November 27, 2013
Operation
Air carrier
Aircraft
N120UA
Make and model
Boeing 747422
Aircraft serial
29166
Aircraft time
59,645 hours, 6,899 cycles
Engine
Pwa PW4056
Part
Channel
Condition
Cracked
Location
Bs 1160
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

MAIN DECK BS 1160 LT TENSION TIE FASTENER HOLE CRACKED AT FWD CHANNEL. CHANNEL REPAIRED IAW SRM. REPAIR 2 FIG 201.