Service difficulty report · Line · Boeing 747446

Difficulty date
July 16, 2019
Submitted
July 18, 2019
Operation
Air carrier
Aircraft
N356KD
Make and model
Boeing 747446
Aircraft serial
26356
Aircraft time
74,148 hours, 15,350 cycles
Part
Line
Condition
Leaking
Location
Oxygen System
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

AFTER TWO HOURS OF FLIGHT, CREW OXYGEN LOW MESSAGE OXYGEN CONTINUOUSLY DECREASED DURING FLIGHT AS LOW AS 370 PSI. REPLACED OXYGEN LINE AT THE BOTTLE. LEAK CHECK PERFORMED IAW AMM 35-11-00.