Service difficulty report · Relay · Boeing 7374Q8

Difficulty date
November 26, 2025
Submitted
November 28, 2025
Operation
General aviation
Aircraft
N663FL
Make and model
Boeing 7374Q8
Aircraft serial
25163
Aircraft time
70,538 hours, 42,614 cycles
Part
Relay
Condition
Unstable
Location
Zone 600
Part time
1,664 hours, 1,525 cycles
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

THE AFT FUEL PUMP ON THE TANK #2 LOW PRESSURE LIGHT ILLUMINATED. IAW AMM 28-22-41 PAG 501-506 GROUND FAULT INTERRUPTER RELAY "20" RESET WAS PERFORMED.

More about the Boeing 737-4Q8