Service difficulty report · Flapper Valve · Boeing 747422

Difficulty date
March 27, 2008
Submitted
March 31, 2008
Operation
Air carrier
Aircraft
N182UA
Make and model
Boeing 747422
Aircraft serial
25279
Aircraft time
70,783 hours, 8,693 cycles
Engine
Pwa PW4056
Part
Flapper Valve
Condition
Malfunctioned
Location
Door Slide
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

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

What was found

RT UD SLIDE DEPLOYED. SLIDE PARTIALLY DEFLATED AFTER DEPLOYMENT DURING FAA EVACUATION DRILL.. FLAPPER VALVE RELEASED FROM SLIDE. INSTALLED RT UPPER DECK SLIDE PER MM 25-68-00 REPLACED ASSIST BOTTLE. AC OK FOR SERVICE.