What was found
DURING AN EMERGENCY LIGHT TEST, AN MCDU MESSAGE FOR THE BATTERY IN POWER SUPPLY 13WL, ILLUMINATED. MAINTENANCE REPLACED THE POWER SUPPLY AND PERFORMED A SATISFACTORY OPERATIONAL CHECK IAW AMM 33-51-00.
- Difficulty date
- December 18, 2018
- Submitted
- December 21, 2018
- Operation
- Air carrier
- Aircraft
- N987AM
- Make and model
- Airbus A321231
- Aircraft serial
- 7079
- Aircraft time
- 7,456 hours, 2,868 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 32146210
- Condition
- Failed
- Location
- Emergency Lights
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L, J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.