What was found
DURING CID1 SYSTEM TEST, LATCHED FAULT BATTERY , EMERGENCY POWER SUPPLY UNIT (15WL) MID LEFT. REPLACED THE BATTERY PACK IAW AMM 33-51-38. OPS CHECKED.
- Difficulty date
- November 18, 2017
- Submitted
- November 21, 2017
- Operation
- Air carrier
- Aircraft
- N106NN
- Make and model
- Airbus A321231
- Aircraft serial
- 5932
- Aircraft time
- 14,072 hours, 2,899 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- 321430
- Condition
- Faulted
- 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.