Service difficulty report · Channel · Boeing 747422

Difficulty date
April 6, 2010
Submitted
April 7, 2010
Operation
Air carrier
Aircraft
N179UA
Make and model
Boeing 747422
Aircraft serial
25158
Aircraft time
79,407 hours, 9,708 cycles
Engine
Pwa PW4056
Part
Channel
Condition
Cracked
Location
Fuselage
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

CRACK - UPPER DECK TENSION TIE CHANNEL AT STA 1180 LT FWD AND AFT SIDE FASTENER HOLE 1 EACH. MAJOR REPAIR ACCOMPLISHED. CUT OUT DAMAGE. HFEC MFG AND INSTALL REPAIR PARTS.