What was found
OPERATIONAL TEST OF EMERGENCY POWER SUPPLY UNIT (CIDS 1) SHOWS THE FOLLOWING FAULTS. REPLACED THE POWER SUPPLY BATTERY IAW AMM 33-51-38. ACCOMPLISHED SATISFACTORY OPERATIONAL TEST. AIRCRAFT WAS GROUNDED.
- Difficulty date
- November 23, 2017
- Submitted
- November 27, 2017
- Operation
- Air carrier
- Aircraft
- N134AN
- Make and model
- Airbus A321231
- Aircraft serial
- 6495
- Aircraft time
- 8,561 hours, 3,365 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 321430
- Part serial
- 792770
- 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.