What was found
AIRCRAFT WAS NOT GROUNDED: DURING EMERGENCY LIGHT TEST ON "CIDS 1" RECEIVED FAULT MESSAGE. MAINTENANCE REPLACED EMERGENCY POWER SUPPLY UNIT BATTERY PER AMM 33-51-38.
- Difficulty date
- September 27, 2019
- Submitted
- October 1, 2019
- Operation
- Air carrier
- Aircraft
- N974UY
- Make and model
- Airbus A321231
- Aircraft serial
- 4898
- Aircraft time
- 28,145 hours, 10,601 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- 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.