What was found
EMERGENCY POWER SUPPLY UNIT EPSU3 FAILED TO ILLUMINATE LIGHTS FOR 10 MINUTES.
- Difficulty date
- July 7, 2021
- Submitted
- July 15, 2021
- Operation
- Air carrier
- Aircraft
- N422QX
- Make and model
- Bombdr DHC8402
- Aircraft serial
- 4150
- Aircraft time
- 32,807 hours, 35,037 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.