Service difficulty report · O-Ring · Boeing 747422

Difficulty date
February 24, 2005
Submitted
March 8, 2005
Operation
Air carrier
Aircraft
N193UA
Make and model
Boeing 747422
Aircraft serial
26890
Engine
Pwa PW4056
Part
O-Ring
Part number
680150020
Condition
Defective
Location
Slide Bottle
Stage of operation
IN
How discovered
9
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

LOW BOTTLE PRESSURE IN ONE CYLINDER. REPLACED DEFECTIVE O-RING IN REGULATOR.