Service difficulty report · Pump · Boeing 737890

Difficulty date
October 10, 2022
Submitted
October 13, 2022
Operation
Air carrier
Aircraft
N508AS
Make and model
Boeing 737890
Aircraft serial
35691
Aircraft time
51,342 hours, 15,097 cycles
Part
Pump
Part number
607551005
Part serial
050839802
Condition
Warning Light
Location
R Wing Front Spa
Part time
51,350 hours, 15,101 cycles
Stage of operation
CL
How discovered
V
Nature of condition
J
Precautionary procedure
K

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

What was found

DURING CLIMB, #2 FORWARD FUEL PUMP LIGHT ILLUMINATED, PER QRH, FORWARD PUMP SELECTED OFF. LEVELING IN CRUISE, #2 FORWARD PUMP SELECTED ON WITH NORMAL OPERATION REMAINDER OF FLIGHT. SIMILAR LOG ENTRY ON PAGE 60395418 (09-26-2022). GROUNDED - YES. REF B737-800 FIM 28-22 TASK 806, INITIAL EVALUATION NORMAL/ NO FAULTS FOUND. DUE TO HISTORY REPLACED THE #2 FUEL TANK FWD FUEL PUMP MOTOR IMPELLER REF B737-800 AMM 28-22-41/401.