Service difficulty report · Pressure Switch · Airbus A321211

Difficulty date
June 22, 2025
Submitted
June 23, 2025
Operation
Air carrier
Aircraft
N150UW
Make and model
Airbus A321211
Aircraft serial
5504
Aircraft time
37,371 hours, 15,640 cycles
Engine
Cfmint CFM565B3P
Part
Pressure Switch
Part number
45D31
Part serial
5609
Condition
Faulted
Location
Zone 400
Part time
61,902 hours, 37,162 cycles
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 NOT GROUNDED: ENGINE 2 FUEL FILTER CLOG MESSAGE ASSOCIATED WITH MEL 73-09 CONTINUOUSLY CYCLES ON AND OFF PRODUCING ECAM WITH MASTER CAUTION. TOO DISTRACTING FOR SAFE FLIGHT. GOING OFF DURING CRITICAL PHASES OF FLIGHT TAKEOFF AND CONTINUOUSLY DURING APPROACH. MANINTENANCE REPLACED THE #2 ENGINE FUEL FILTER DIFFERENTIAL PRESSURE SWITCH AND ACCOMPLISHED A SATISFACTORY LEAK / OPERATIONAL CHECK PER AMM 73-34-15.

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