Service difficulty report · Cylinder · Boeing 747422

Difficulty date
June 11, 2013
Submitted
June 26, 2013
Operation
Air carrier
Aircraft
N104UA
Make and model
Boeing 747422
Aircraft serial
26902
Aircraft time
63,094 hours, 7,323 cycles
Engine
Pwa PW4056
Part
Cylinder
Part number
89151114
Condition
Low Pressure
Location
Crew Oxygen
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

FOUND CREW O2 LOW. REPLACED CREW O2 CYLINDER AND PRESSURE NORMAL.