Service difficulty report · Pressure Switch · Boeing 737823

Difficulty date
February 28, 2025
Submitted
March 3, 2025
Operation
Air carrier
Aircraft
N344PP
Make and model
Boeing 737823
Aircraft serial
31272
Aircraft time
21,726 hours, 9,420 cycles
Engine
Cfmint CFM567B242
Part
Pressure Switch
Part number
QA07995
Condition
Faulted
Location
Zone 400
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: INTERMITTENT RIGHT FUEL FILTER BYPASS LIGHT FROM TAKEOFF TO 5 MINUTES INTO THE FLIGHT. MAINTENANCE REPLACED RIGHT ENGINE FUEL FILTER PER AMM 73-11-02, (AALA202503011571) AND THE FUEL FILTER DIFFERENTIAL PRESSURE SWITCH PER AMM 73-34-01. (AALA202503034769) A SATISFACTORY LEAK / OPERATIONAL CHECK WITH NO LEAKS OR DEFECTS NOTED.