Service difficulty report · Clamp · Boeing 747422

Difficulty date
July 19, 2007
Submitted
July 24, 2007
Operation
Air carrier
Aircraft
N122UA
Make and model
Boeing 747422
Aircraft serial
29168
Aircraft time
33,005 hours, 4,076 cycles
Engine
Pwa PW4056
Part
Clamp
Condition
Loose
Location
Cabin Air
Stage of operation
TX
How discovered
O
Nature of condition
B
Precautionary procedure
D

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

RTBL DUE TO STRONG ODOR IN COCKPIT AND CABIN. [08-14-07] FOUND FWD CARGO EE COOLING DUCTING CONNECTION CLAMPS LOOSE AND OPEN IN THREE POSITIONS SECURED EE COOLING DUCTING AND REPLACED ALL LOWER AND UPPER RECIRCULATION FAN FILTERS PER MM 21-51-08. EE COOLING BITE TEST. TESTED GOOD & NO SMELL IN COCKPIT OR CABIN.