Service difficulty report · Proximity Sensor · Airbus A321231

Difficulty date
July 29, 2025
Submitted
July 30, 2025
Operation
Air carrier
Aircraft
N549UW
Make and model
Airbus A321231
Aircraft serial
4932
Aircraft time
44,593 hours, 17,790 cycles
Part
Proximity Sensor
Part number
DHE1141
Condition
Faulted
Location
Zone 800
Stage of operation
IN
How discovered
V
Nature of condition
J
Precautionary procedure
K

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

What was found

AIRCRAFT WAS GROUNDED: DOOR 3L SLIDE WILL NOT ARM. MAINTENANCE REPLACED THE 3L DOOR PROXIMITY SWITCH 6WN1 PER AMM 52-73-11 (AALA202507303731) AND REPLACED THE SLIDE ARMED INDICATOR LIGHT AT 3L DOOR PER AMM 52-73-21. (AALA202507306949) A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO ISSUES NOTED.

More about the Airbus A321-231