Service difficulty report · Fuel Sys · Boeing 737890

Difficulty date
December 19, 2019
Submitted
December 24, 2019
Operation
Air carrier
Aircraft
N588AS
Make and model
Boeing 737890
Aircraft serial
35685
Aircraft time
46,023 hours, 13,794 cycles
Part
Fuel Sys
Condition
Out Of Balance
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

WITH FUEL IN CENTER TANK AND ALL FUEL PUMPS ON, FUEL STARTED FEEDING OUT OF NR 1 MAIN TANK CREATING AN IMBALANCE. GROUNDED - YES. ON DEFERRAL.