Service difficulty report · Proximity Sensor · Airbus A321253NX

Difficulty date
January 29, 2026
Submitted
February 2, 2026
Operation
Air carrier
Aircraft
N411AN
Make and model
Airbus A321253NX
Aircraft serial
9318
Aircraft time
19,453 hours, 5,390 cycles
Part
Proximity Sensor
Part number
DHE1141
Condition
Out Of Adjust
Location
Zone 800
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: DURING CLIMB FLIGHT ATTENDANT REPORTING DOOR 4R PRESSURIZATION INDICATOR FLASHING RED AND INDICATIONS ON THE ECAM DOOR PAGE ARE ALTERNATING BETWEEN ARMED (SLIDE IN WHITE) AND DISARMED. MAINTENANCE FOUND THE 4R DOOR SLIDE RAFT WAS KEEPING THE ARM HANDLE FROM GOING DOWN FULLY AND THAT PROXIMITY SWITCH 7WN2 WAS OUT OF ADJUSTMENT. MAINTENANCE REPLACED THE SLIDE RAFT ASSEMBLY PER TASK CARD 26L00025011 (AALA202601316652) AND ADJUSTED PROXIMITY SWITCH 7WN2 PER AMM 52-71-00 (AALA202602020547). A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO FAULTS NOTED.

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