What was found
DURING A PS CHECK OF THE EMERGENCY LIGHTS, THE POWER SUPPLY BATTERY 10WL AT FORWARD LEFT FAILED. ACCOMPLISHED EMERGENCY POWER SUPPLY UNIT SYSTEM TEST IAW AMM 23-73-00. OPS CHECKED OK.
- Difficulty date
- July 7, 2018
- Submitted
- July 9, 2018
- Operation
- Air carrier
- Aircraft
- N149AN
- Make and model
- Airbus A321231
- Aircraft serial
- 6812
- Aircraft time
- 8,894 hours, 3,443 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Condition
- Unknown
- 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.