Service difficulty report · Bottle · Boeing 747422

Difficulty date
June 16, 2007
Submitted
June 22, 2007
Operation
Air carrier
Aircraft
N107UA
Make and model
Boeing 747422
Aircraft serial
26900
Aircraft time
36,147 hours, 4,500 cycles
Engine
Pwa PW4056
Part
Bottle
Condition
Reads Low
Location
Oxygen
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

CREW REPORTS WALKAROUND, O2 BOTTLE LOW AT 4L. [07-27-07] REPLACED O2 BOTTLE AT DOOR 4L. SUSPECT VALVE LEAKAGE.