What was found
AIRCRAFT WAS GROUNDED. LEFT FORWARD EMERGENCY POWER SUPPLY UNIT HAS UNIT FAULT. REMOVED AND REPLACED LEFT FORWARD EMERGENCY POWER SUPPLY UNIT (AALA202012289009) AND BATTERY PACK AS REQUIRED, PER AMM 33-51-38.
- Difficulty date
- December 25, 2020
- Submitted
- December 28, 2020
- Operation
- Air carrier
- Aircraft
- N709UW
- Make and model
- Airbus A319112
- Aircraft serial
- 0997
- Aircraft time
- 57,943 hours, 33,858 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- 321431
- Condition
- Faulted
- Location
- Emergency Lights
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.