Service difficulty report · Transducer · Boeing 777222

Difficulty date
September 3, 2000
Submitted
October 4, 2000
Operation
Air carrier
Aircraft
N799UA
Make and model
Boeing 777222
Aircraft serial
26926
Aircraft time
10,543 hours, 1,684 cycles
Engine
Pwa PW4090
Part
Transducer
Part number
MR35263
Part serial
867430
Condition
Malfunctioned
Location
Crew Oxygen
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

CREW LOW O2 MESSAGE. DIVERTED DEN. *S/D* CREW OXYGEN CYLINDER PRESSURE WAS NORMAL 1700 PSI. FOUND THE CAUSE OF THE PROBLEM TO BE THE PRESSURE TRANSDUCER. TRANSDUCER WAS REPLACED SEPT. 05, 2000. OPERATIONAL CHECK WAS GOOD.