Service difficulty report · Connector · Boeing 737890

Difficulty date
September 7, 2019
Submitted
September 10, 2019
Operation
Air carrier
Aircraft
N577AS
Make and model
Boeing 737890
Aircraft serial
35186
Aircraft time
47,161 hours, 14,053 cycles
Part
Connector
Condition
Contaminated
Location
Fuel System
Stage of operation
NR
How discovered
O
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

IN FLT #2 FWD FUEL PUMP LIGHT ILLUMINATED. GROUNDED - YES. PERFORMED FIM 28-22 TASK 805. FOUND NO FAULTS. OPS TEST GOOD. PERFORMED GOOD INSULATION RESISTANCE CHECK ON #2 FWD BOOST PUMP PER AMM 28-22-00-760-802 AND FIM 28-22 TASK 805. REMOVED CONNECTOR D872 FROM #2 FWD BOOST PUMP PRESSURE SWITCH AND FOUND CONTAMINATION ON CONNECTOR AND PRESSURE SWITCH PER WDM 28-23-11. CLEANED CONNECTOR D872 AND #2 FWD BOOST PUMP PRESSURE SWITCH PER SWPM 20-60-01. CONNECTED D872 TO #2 FWD BOOST PUMP PRESSURE SWITCH PER WDM 28-23-11. PERFORMED GOOD OPS TEST OF #2 FWD FUEL BOOST PUMP PRESSURE SWITCH PER AMM 28-42-11-700-801. PERFORMED GOOD OPS TEST OF #2 FWD FUEL BOOST PUMP PER AMM 28-22-41-710-801. PERFORMED GOOD OPS TEST OF #2 FWD FUEL BOOST PUMP GFI PER AMM 28-22-41-720-802.