Service difficulty report · Pump · Boeing 737*

Difficulty date
February 20, 2022
Submitted
February 24, 2022
Operation
Air carrier
Aircraft
N836NN
Make and model
Boeing 737*
Aircraft serial
31095
Aircraft time
34,827 hours, 14,245 cycles
Part
Pump
Part number
607551005
Part serial
4682
Condition
Faulty
Location
Zone 500 - Lh Wi
Stage of operation
CL
How discovered
V
Nature of condition
P, O
Precautionary procedure
A

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

What was found

AIRCRAFT WAS GROUNDED: WING FUEL TANKS INDICATED FUEL BURN DESPITE FUEL IN CENTER TANK WITH ALL FUEL PUMPS ON AND CROSSFEED CLOSED, CONSTANT BALANCE REQUIRED; FLIGHT DECLARED EMERGENCY AND DIVERTED TO MSY. REPLACED FWD LH FUEL PUMP WITH SERVICEABLE UNIT IAW AMM 28-22-41, LEAK AND OPS CHECK GOOD.