SDR AALA202410149427

Service difficulty report · Battery · Airbus A321231

Difficulty date: October 13, 2024
Submitted: October 14, 2024
Operation: Air carrier
Aircraft: N997AA
Make and model: Airbus A321231
Aircraft serial: 7349
Aircraft time: 22,693 hours, 8,952 cycles
System (JASC): 3350 · Emergency Lighting
Part: Battery
Condition: Fault Message
Location: Zone 200
Stage of operation: IN
How discovered: C
Nature of condition: L, 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 NOT GROUNDED: DURING EMERGENCY POWER SUPPLY UNIT SYSTEM TEST FOUND EMERGENCY POWER SUPPLY UNIT BATTERIES FAULT FOR 10WL, 11WL, 12WL, AND 13WL. REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT BATTERIES FOR 10WL (AALA202410146895), 11WL (AALA202410149511), 12WL (AALA202410148472), AND 13WL.

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