Service difficulty report · Power Supply · Airbus A321231

Difficulty date
May 7, 2024
Submitted
May 10, 2024
Operation
Air carrier
Aircraft
N521UW
Make and model
Airbus A321231
Aircraft serial
3944
Aircraft time
48,370 hours, 18,354 cycles
Part
Power Supply
Part number
32146210
Part serial
132263
Condition
Defective
Location
Emergency Lights
Part time
48,370 hours, 18,354 cycles
Stage of operation
IN
How discovered
C
Nature of condition
L
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: NUMEROUS EMERGENCY LIGHTS IN CABIN ARE FLICKING. CEILING, SEAT ISLE AND DOOR EXIT LIGHTS. REPLACED EMERGENCY POWER SUPPLY UNIT 10WL (AALA202405101192) AND EMERGENCY LIGHT 204WL (AALA202405101918 ). A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.

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