Service difficulty report · O-Ring · Boeing 747422

Difficulty date
October 4, 2007
Submitted
October 19, 2007
Operation
Air carrier
Aircraft
N198UA
Make and model
Boeing 747422
Aircraft serial
28716
Engine
Pwa PW4056
Part
O-Ring
Part number
68014916
Condition
Low Pressure
Location
Slide Bottle
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

MAIN ENTRY DOOR SLIDE PRESSURE GAUGE IS NOT WITHIN THE GREEN BAND. PRESSURE TESTED FOR LEAK. O-RING AT GAUGE ELBOW ASSEMBLY LEAKING. REMOVED AND REPLACED O-RING. RETESTED AND TESTED OK