Service difficulty report · Pump · Boeing 737890

Difficulty date
June 14, 2018
Submitted
June 15, 2018
Operation
Air carrier
Aircraft
N586AS
Make and model
Boeing 737890
Aircraft serial
35189
Aircraft time
40,670 hours, 12,393 cycles
Part
Pump
Part number
609891005
Part serial
080707907
Condition
Leaking
Location
Fuel System
Part time
40,673 hours, 12,395 cycles
Stage of operation
IN
How discovered
V
Nature of condition
K
Precautionary procedure
K

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

What was found

LEFT CENTER FUEL BOOST PUMP HAS POSSIBLE LEAK. GROUNDED - YES. RAN LEFT CENTER FUEL BOOST PUMP AND VERIFIED LEAK BENEATH PUMP. REMOVED THE LT CENTER FUEL PUMP MOTOR IMPELLER REF AMM 28-22-41-000-801 (O-RING FOUND TO BE WORN ON PUMP MOTOR IMPELLER HOUSING) INSTALLED SERVICEABLE PUMP MOTOR IMPELLER REF AMM 28-22-41-400-801. ADJUSTMENT/ CHECK GOOD REF AMM 28-22-41-000-801 STEP 2G(2)(B) AND 28-22-41-400-801 STEP 3G(32) J. LT CENTER FUEL BOOST PUMP LEAK AND OPS CHECK GOOD REF AMM 28-22-41-400-801 STEPS 3G(29) THRU (31).