Service difficulty report · Bleed Valve · Boeing 777222

Difficulty date
January 17, 2000
Submitted
October 4, 2000
Operation
Air carrier
Aircraft
N772UA
Make and model
Boeing 777222
Aircraft serial
26930
Aircraft time
19,031 hours, 3,847 cycles
Engine
Pwa PW4077
Part
Bleed Valve
Part number
B198201
Condition
Leaking
Location
Crew Oxygen Sys
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

EN ROUTE EWR - DEN, CREW OXYGEN LOW EICAS MESSAGE DISPLAYED WITH STATUS PAGE INDICATING 500 PSI. DIVERTED TO IND. *S/D* FOUND CREW OXYGEN BLEED VALVE LEAKING (P/N: B19820-1). BLEED VALVE WAS REPLACED.