Service difficulty report · Bolt · Boeing 747422

Difficulty date
February 27, 1998
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N104UA
Make and model
Boeing 747422
Aircraft serial
26902
Engine
Pwa PW4056
Part
Bolt
Condition
Missing
Location
Te Flap Fairing
Stage of operation
NR
Nature of condition
F
Precautionary procedure
A

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

What was found

LEFT SIDE INBOARD FLAP FAIRING WAS DANGLING AFTER FLAP RETRACTION. *S/D* THE NUT AND BOLT COMBINATION THAT SECURES THE CANOE FAIRING DRIVE ROD TO THE INBOARD MIDFLAP DISLODGED. ONCE THE BOLT AND NUT DISLODGED, THE FAIRING WAS ABLE TO DROP DOWN. THE CORRECTIVE ACTION WAS TO REPLACE THE BOLT, NUT AND COTTER PIN COMBINATION THAT ATTACHES THE FAIRING CONTROL DRIVE TO THE MIDFLAP.