What was found
DURING AN EMERGENCY LIGHT SYSTEM TEST, THE TEST FAILED WITH A MESSAGE FOR THE EMERGENCY POWER SUPPLY UNIT, R3 DOOR. REPLACED THE POWER SUPPLY UNIT AND BATTERY PACK IAW AMM 33-51-38.
- Difficulty date
- January 23, 2018
- Submitted
- March 27, 2018
- Operation
- Air carrier
- Aircraft
- N173US
- Make and model
- Airbus A321211
- Aircraft serial
- 1481
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 32145510
- Part serial
- 2203
- Condition
- No Test
- Location
- Emergency Lights
- Part time
- 57,611 hours, 21,572 cycles
- 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.