What was found
AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT 15WL BATTERY FAILED BITE TEST IN REFERENCE WITH JOB CARD 26L00005062. MAINTENANCE REPLACED POWER SUPPLY UNIT BATTERY PER AMM 33-51-38.
- Difficulty date
- January 3, 2020
- Submitted
- January 6, 2020
- Operation
- Air carrier
- Aircraft
- N990AU
- Make and model
- Airbus A321231
- Aircraft serial
- 7336
- Aircraft time
- 10,731 hours, 4,012 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Condition
- Failed
- Location
- Cabin
- 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.