Service difficulty report · Warning Message · Airbus A321231

Difficulty date
February 18, 2021
Submitted
February 22, 2021
Operation
Air carrier
Aircraft
N138AN
Make and model
Airbus A321231
Aircraft serial
6650
Aircraft time
17,401 hours, 6,617 cycles
Part
Warning Message
Condition
False Activation
Location
Power Supply
Component
Power Supply · Diehl
Stage of operation
IN
How discovered
V
Nature of condition
N
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 NOT GROUNDED: PERFORMING OPERATIONS TEST OF EMERGENCY LIGHTING SYSTEM AFTER SLIDE REPLACE EMERGENCY POWER SUPPLY UNIT (10WL) FORWARD LEFT MESSAGE FAULTED. ACCOMPLISHED THE OPERATIONS TEST OF EMERGENCY LIGHTING SYSTEM EMERGENCY POWER SUPPLY UNIT TEST OK PER CARD NUMBER 26L00025011.

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