What was found
AIRCRAFT WAS GROUNDED. EMERGENCY LIGHTS FAIL TEST. REMOVED AND REPLACED MID RIGHT EMERGENCY POWER SUPPLY UNIT BATTERY, IAW AMM 33-51-38.
- Difficulty date
- October 27, 2020
- Submitted
- October 29, 2020
- Operation
- Air carrier
- Aircraft
- N552UW
- Make and model
- Airbus A321231
- Aircraft serial
- 4957
- Aircraft time
- 29,845 hours, 11,104 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Condition
- No Test
- Location
- Emergency Lights
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.