Service difficulty report · Pressure Switch · Boeing 737823

Difficulty date
September 14, 2024
Submitted
September 17, 2024
Operation
Air carrier
Aircraft
N926AN
Make and model
Boeing 737823
Aircraft serial
29527
Aircraft time
63,355 hours, 26,110 cycles
Part
Pressure Switch
Condition
Faulty
Location
Fuel Pump
Stage of operation
CL
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 GROUNDED: RIGHT HAND FORWARD MAIN FUEL PUMP ILLUMINATED LOW PRESSURE ON CLIMB OUT THEN RETURNED TO NORMAL. ADDITIONALLY RIGHT HAND FORWARD MAIN FUEL PUMP LOW PRESSURE LIGHT DID NOT ILLUMINATE AFTER SWITCHED OFF DURING CROSSFEED OPERATION. REMOVE AND REPLACED TANK 2 FORWARD PUMP LOW PRESSURE SWITCH, OPERTIONAL AND LEAKED CHECK GOOD. PER AMM 28-42-11.