Service difficulty report · Pump · Boeing 737890

Difficulty date
January 25, 2018
Submitted
January 29, 2018
Operation
Air carrier
Aircraft
N557AS
Make and model
Boeing 737890
Aircraft serial
35176
Aircraft time
44,668 hours, 13,175 cycles
Part
Pump
Part number
607551005
Part serial
040634086
Condition
Failed
Location
Rt Fuel Boost
Part time
44,693 hours, 13,188 cycles
Stage of operation
NR
How discovered
9
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

TANK NR 2 FWD BOOST PUMP HAD LOW PRESSURE, LIGHT ILLUMINATED. ACFT GROUNDED. PERFORMED FIM 28-22 TASK 806. REMOVED THE CONNECTOR FROM THE NR 2 FWD FUEL BOOST PUMP. RANG OUT THE PUMP. FOUND THE PUMP BAD. DISCONNECTED THE NR 2 AFT FUEL BOOST PUMP RANG OUT, THE NR 2 AFT FUEL BOOST PUMP. PUMP CHECKED GOOD. RECONNECTED CONNECTOR TO #2 AFT FUEL BOOST PUMP AND PERFORMED OPS CHECK. OPS CHECK GOOD REF B737-800 AMM 28-22-41. REMOVED AND REPLACED #2 FWD BOOST PUMP, REF AMM 28-22-41. GROUND CHECK GOOD, REF AMM TASK 28-22-41-710-801, NO LEAKS NOTED. THIS CLEARS MEL 28-1D.