Service difficulty report · Actuator · Boeing 737890

Difficulty date
October 27, 2013
Submitted
October 29, 2013
Operation
Air carrier
Aircraft
N534AS
Make and model
Boeing 737890
Aircraft serial
35202
Aircraft time
11,237 hours, 3,341 cycles
Part
Actuator
Part number
MA30A1001
Part serial
AA254171C
Condition
Failed
Location
Fuel Xfer
Part time
11,237 hours, 3,341 cycles
Stage of operation
DE
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

LEFT AND RIGHT FUEL TANKS WERE BALANCED PERFECTLY PRIOR TO DESCENT. FUEL TRANSFER FEED FAILED ON DESCENT. NOTICED FUEL IMBALANCE DURING DESCENT AND LANDING. CROSS-FEED VALVE CIRCUIT BREAKER WAS TRIPPED. FUEL IMBALANCE LIMIT WAS EXCEEDED. ACFT GROUNDED. REPLACED CROSSFEED VALVE ACTUATOR IAW AMM 28-22-21, OPS CHECKED GOOD.