Service difficulty report · Valve · Boeing 737322

Difficulty date
May 5, 2002
Submitted
May 22, 2002
Operation
Air carrier
Aircraft
N347UA
Make and model
Boeing 737322
Aircraft serial
24251
Aircraft time
41,732 hours, 22,496 cycles
Engine
Ge CFM56*
Part
Valve
Part number
32144464
Part serial
3094
Condition
Malfunctioned
Location
Nr 1 Engine
Stage of operation
TO
How discovered
O
Nature of condition
J
Precautionary procedure
C

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

What was found

ABORTED TAKEOFF TWICE DUE TO NR 1 ENGINE BLEED LIGHT. A FAILURE OF THE HIGH STAGE VALVE OPENING AFTER BLEED SHIFT POINT CAUSING BLEED TRIP. REPLACED THE HIGH STAGE VALVE.