Service difficulty report · Battery Pack · Airbus A320232

Difficulty date
January 27, 2021
Submitted
January 29, 2021
Operation
Air carrier
Aircraft
N485UA
Make and model
Airbus A320232
Aircraft serial
1617
Aircraft time
59,347 hours, 25,676 cycles
Part
Battery Pack
Part number
AD321431
Condition
Inoperative
Location
10wl & 13wl
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

FWD AND AFT EMERGENCY LIGHTS BATTERY PACKS (10WL & 13WL) FAIL TO ILLUMINATE WITH THE SWITCH IN ARM C/B'S PULLED PER HAECO LCQ NON ROUTINE 9292045. REMOVED AND REPLACED THE FWD AND AFT EMERGENCY LIGHTS BATTERY PACKS, IAW A319/A320 M/M 33-51-38-000-002A. OPERATIONS TEST OF THE EMERGENC Y POWER SUPPLY UNITS BY BITE TEST IS GOOD, IAW A319/320 M/M 33-51-00-710-001A.

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