SDR CALA2025090308439

Service difficulty report · Battery · Airbus A319131

Difficulty date: September 1, 2025
Submitted: September 3, 2025
Operation: Air carrier
Aircraft: N849UA
Make and model: Airbus A319131
Aircraft serial: 1649
Aircraft time: 68,857 hours, 30,937 cycles
System (JASC): 3350 · Emergency Lighting
Part: Battery
Part number: AD321431
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

WHILE PERFORMING EMERGENCY LIGHTS TEST ON LP 6125976 FOUND SEAT ROW EMERGENCY PATH LIGHTING INOP FOR ROWS 25, 26, 29, 30, 34 AND 35. FOUND EPSU BATTERY AFT L AND EPSU BATTERY EMER L FAULT. REF TSM 33-51-00-810-802-A REPLACED 11WL AND 13WL BATTERY, REF AMM 33-51-38. OPS TEST PASS AND PATHWAY LIGHTS OPERATIONAL.

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