Service difficulty report · Battery · Airbus A319131

Difficulty date
December 19, 2025
Submitted
December 23, 2025
Operation
Air carrier
Aircraft
N845UA
Make and model
Airbus A319131
Aircraft serial
1585
Aircraft time
73,161 hours, 32,913 cycles
Part
Battery
Part number
AD321431
Condition
No Test
Location
Zone 200
Stage of operation
IN
How discovered
C
Nature of condition
J, L
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

EMERGENCY LIGHTS TEST FAILED. EPSU BATTERY FWD LT, REPLACED EPSU BATTERY AT 10WL. RESET BREAKERS & PERFORMED AN OPS CHECK FROM PTP PANEL BUT THE TEST WAS ABORTED WITH A COMMUNICATION FAULT. NEED FURTHER T/S IAW AMM 33-51-38-000-002-A, & 33-51-38-400-002-A. RESET EEL CIRCUIT BREAKERS, NO HELP EPSU WOULD NOT TEST LOCALLY. T/S IAW TSM 33-51-00-810-818-A, PERFORMED BITE TEST OF CIDS 1, TESTED OK, PERFORMED BITE TEST OF DEU B AND CIDS BUSS, TESTED OK. IAW AMM AMM 23-73-00-740-005. PERFORMED VISUAL CHECK EMERGENCY EXIT LIGHTS & LIGHTS ARE OPERATIONAL AT THIS TIME. IAW AMM 33-51-00-710-009. PERFORMED EPSU BITE TEST VIA PTP AND THE TEST, NOW OPERATES & EEL TEST NOW TEST OK. IAW AMM 33-51-00-710-001-A.

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