Service difficulty report · Actuator · Boeing 737322

Difficulty date
July 23, 2002
Submitted
July 30, 2002
Operation
Air carrier
Aircraft
N310UA
Make and model
Boeing 737322
Aircraft serial
23671
Aircraft time
46,090 hours, 26,840 cycles
Engine
Ge CFM56*
Part
Actuator
Condition
Failed
Location
Fuel System
Stage of operation
TO
How discovered
O
Nature of condition
R, J
Precautionary procedure
C

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

What was found

AIRCRAFT ABORTED TAKEOFF AT APPROXIMATELY 90 KNOTS BECAUSE ENGINE NR 1 DID NOT REACH TARGET N1. SUPPLEMENTAL DATA UPDATE ROOT CAUSE WAS INTERNAL FAILURE OF THE FUEL SPAR SHUTOFF VALVE ACTUATOR. THE ACTUATOR WAS REPLACED AND THE ENGINE IS NOW OPERATING NORMALLY.