What was found
EPSU WILL NOT TEST OR CONTROL AFT EMER LIGHTS. REPLACED DEUB RT5 & EPSU 13WL WITH BATTERY, NO HELP. SLAVED IN KNOWN GOOD EPSU TO 13WL, NO HELP. RESTORED ALL TO ORIGINAL. VERIFIED POWER AT 13WL IAW AWM 33-51-03.
- Difficulty date
- April 11, 2016
- Submitted
- April 15, 2016
- Operation
- Air carrier
- Aircraft
- N812UA
- Make and model
- Airbus A319131
- Aircraft serial
- 850
- Aircraft time
- 57,919 hours, 23,502 cycles
- Engine
- Iae V2522A5
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Condition
- No Test
- Location
- Emergency Lights
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.