Service difficulty report · Battery · Airbus A321231

Difficulty date
December 19, 2024
Submitted
December 26, 2024
Operation
Air carrier
Aircraft
N917UY
Make and model
Airbus A321231
Aircraft serial
6427
Aircraft time
31,594 hours, 12,972 cycles
Part
Battery
Part number
321431
Condition
Inoperative
Location
Zone 200
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 IN BASE MAINTENANCE: DURING EMERGENCY LIGHTING TEST MAINTENANCE FOUND SIGNS AT RIGHT HAND OVERWING EMERGENCY EXIT AND LIGHTS FROM SEAT 33 TO 36 INOPERATIVE. MAINTENANCE REPLACED THE BATTERIES FOR EMERGENCY POWER SUPPLY UNITS 11WL (AALA202412261861) AND 14WL (AALA202412266163) PER AMM 33-51-38. A SATAISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.

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