Service difficulty report · Wire · Boeing 737890

Difficulty date
March 6, 2023
Submitted
March 10, 2023
Operation
Air carrier
Aircraft
N589AS
Make and model
Boeing 737890
Aircraft serial
35686
Aircraft time
55,073 hours, 16,218 cycles
Part
Wire
Part number
BMS1348T12C03G01
Condition
Abnormal
Stage of operation
NR
How discovered
V
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

RIGHT CENTER FUEL PUMP LOW PRESSURE LIGHT ILLUMINATES WITH FUEL IN CTR TANK. GROUNDED - YES. R & R BOOST PUMP IAW AMM 28-22-41, OPS CHECK FAILED. CB AT THE P92, D5 POPPED AS SOON AS PUMP IS TURNED ON. FOUND WIRE W1126-3601Y-18 BROKEN AT CONNECTOR D804. WIRE PINS AND CONNECTOR PREVIOUSLY REPLACED. FOUND WIRE W1126-3601R/Y/B-18 BRITTLE FROM HEAT STRESS. RE-TERMINATED WIRES, INSULATION TORE. ROUTED NEW WIRE W1126-3601-R/B/Y-18 FROM RH CTR BOOST PUMP TO AC MIX BAY REF B737 SWPM 20-10-11. REF B737-800 WDM 28-23-11 TERMINATED ENDS AT D804 AND D5350P. OPS CHECK OF CENTER BOOST PUMP GOOD. SYS OPS NML. REF WDM 28-23-11, SWPM 20-61-00, 20-10-20, AMM 28-22-41. C/B C846 COLLAR REMOVED AND RESET. GROUND VERIFICATION SAT.