What was found
AIRCRAFT WAS GROUNDED. EMERGENCY POWER SUPPLY UNIT BATTERY FORWARD L ERROR DURING LIGHT EMERGENCY TEST. REPLACED FORWARD LEFT EMERGENCY POWER SUPPLY UNIT BATTERY AND OPS TEST GOOD PER AMM 33-51-38.
- Difficulty date
- June 21, 2020
- Submitted
- June 23, 2020
- Operation
- Air carrier
- Aircraft
- N711UW
- Make and model
- Airbus A319112
- Aircraft serial
- 1033
- Aircraft time
- 56,958 hours, 33,308 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- 321431
- Condition
- Faulty
- Location
- Emergency Lights
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.