What was found
DURING EMERGENCY LIGHT TEST, BATTERY AND EPSU AFT LEFT, DISPLAYED ON MCDU AFTER TEST. PERFORMED OPERATIONAL CHECK OF EMERGENCY POWER SUPPLY UNIT AT 13WL IAW AMM 33-51-38.
- Difficulty date
- May 9, 2017
- Submitted
- May 12, 2017
- Operation
- Air carrier
- Aircraft
- N127AA
- Make and model
- Airbus A321231
- Aircraft serial
- 6334
- Aircraft time
- 8,100 hours, 2,643 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 32146210
- 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.