SDR YENA2025030300217

Service difficulty report · Battery Pack · Airbus A321231

Difficulty date: March 1, 2025
Submitted: March 3, 2025
Operation: Air carrier
Aircraft: N934JB
Make and model: Airbus A321231
Aircraft serial: 06130
Aircraft time: 42,789 hours, 8,334 cycles
System (JASC): 3350 · Emergency Lighting
Part: Battery Pack
Condition: No Test
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

DURING HEAVY MAINTENANCE: ALL EMERGENCY LIGHTS IN CABIN FROM ROW 14 FWD WILL NOT COME ON WITH BATTERY POWER ONLY. L3 DOOR UPPER EXIT LIGHT DOES NOT COME ON AS WELL; REF STS WO W003701 BR N0549 REMOVED AND REPLACED EPSU BATTERIES AT 10WL, 11WL, 14WL, 15WL IAW AMM 33-51-38-000-001-A, AND 33-51-38-400-001-A OPS CHECKS GOOD.

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