Service difficulty report · Pump · Boeing 737890

Difficulty date
June 5, 2016
Submitted
June 7, 2016
Operation
Air carrier
Aircraft
N590AS
Make and model
Boeing 737890
Aircraft serial
35687
Aircraft time
32,150 hours, 9,730 cycles
Part
Pump
Part number
609891005
Part serial
100708027
Condition
Failed
Location
Center Fuel Tank
Part time
32,154 hours, 9,732 cycles
Stage of operation
NR
How discovered
O
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

RT CENTER TANK FWD PUMP LOW PRESSURE LIGHT STAY ILLUMINATED WITH THE PUMP ON AN 1500 LBS AT THE CENTER FUEL. ACFT GROUNDED. REMOVED CONNECTOR D804 AT RT CENTER PUMP, CLOSED C/B AND TURNED PUMP ON, C/B STAYED CLOSED. ACCOMPLISHED A/C VOLT CHECKS AT D804, NO VOLTS. REPLACED GFI RELAY R55 WITH NEW, REF AMM 28-22-18-400-801. TURNED PUMP ON STILL NO VOLTS. REQUIRES FUEL PUMP, REF FIM 28-22-TASK 818 & WDM 28-23-11 FUEL PUMP. R & R RT FUEL PUMP, REF AMM 28-22-41. RECONNECTED D804. OPS CHECK GOOD. ACCOMPLISHED GFI OPS TEST FOR RIGHT CENTER FUEL PUMP, TEST PASS, REF AMM 28-22-41-720-802. APPLIED SEALANT, LEAK CHECK GOOD.