Service difficulty report · Bolt · Boeing 747422

Difficulty date
June 16, 2004
Submitted
June 30, 2004
Operation
Air carrier
Aircraft
N193UA
Make and model
Boeing 747422
Aircraft serial
26890
Aircraft time
32,584 hours, 4,008 cycles
Engine
Pwa PW4056
Part
Bolt
Condition
Misinstalled
Location
Slide Valve
Stage of operation
IN
How discovered
9
Nature of condition
W
Precautionary procedure
K

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

What was found

DOOR 4 RIGHT SLIDE, AT OVERHAUL A BOLT WAS FOUND INSERTED IN THE SAFETY PIN LOCATION OF THE VALVE. THE FIRING LANYARD WAS WRAPPED AROUND A INFLATION HOSE. THE SURVIVAL KIT ATTACHMENT CORD WAS LOCATED ON THE SIDE RATE COVER INSTEAD OF THE GIRT AREA. ONE OF THE SHEAR PIN RESTRAINTS WAS FOUND TO BE SHEARED. INSTALLATION OF A BOLT INSTEAD OF MANUFACTURER'S SAFETY PIN IS ACCEPTABLE PER UA AMM. OTHER DEFECTS CAUSED BY IMPROPER PACKING. AS SHOP AND PERSONNEL THAT PREVIOUSLY PACKED SLIDE ARE NO LONGER BEING USED, NO FOLLOW UP ACTION REQUIRED.