What was found
EMERGENCY POWER SUPPLY UNIT BATTERY FAULTED DURING A BITE TEST. REPLACED THE EMERGENCY POWER SUPPLY BATTERY IAW AMM 33-51-38.
- Difficulty date
- November 4, 2017
- Submitted
- November 8, 2017
- Operation
- Air carrier
- Aircraft
- N108NN
- Make and model
- Airbus A321231
- Aircraft serial
- 5946
- Aircraft time
- 13,870 hours, 2,851 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 321431
- Part serial
- 764893
- Condition
- Discharged
- 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.