Service difficulty report · Warning Light · Boeing 737823

Difficulty date
June 17, 2025
Submitted
June 24, 2025
Operation
Air carrier
Aircraft
N976AN
Make and model
Boeing 737823
Aircraft serial
30099
Aircraft time
68,350 hours, 28,808 cycles
Part
Warning Light
Part number
1030001001
Part serial
000863
Condition
Illuminated
Location
Boost Pump
Part time
511,774 hours, 505,589 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

AIRCRAFT WAS NOT GROUNDED: AFTER ENGINE STARTED WITH BOTH CENTER PUMP FUEL SWITCHES IN THE ON POSITION, THE RIGHT CENTER FUEL PUMP LOW PRESSURE LIGHT ILLUMINATED. PRIMED PUMP 28-22-41. REPLACED R55 CONTROL RELAY (AALA202506238865) AND K9901 INPUT RELAY ( AALA202506239921), PER SWPM 20-81-16. ALSO REPLACED (UFI)-UNIVERSAL FAULT INTERRUPTER (AALA202506230465), PER AMM 28-22-99. PUMP TURNED ON PROPERLY OPERATIONAL CHECK GOOD.