What was found
AIRCRAFT WAS GROUNDED: VARIOUS CABIN EMERGENCY FLOOR PATH LIGHTS EXTINGUISHED PREMATURELY DURING TEST. MAINTENANCE REPLACED EEPL BATTERY AT EMERGENCY POWER SUPPLY UNIT (11WL) PER AMM 33-51-38.
- Difficulty date
- December 14, 2019
- Submitted
- December 17, 2019
- Operation
- Air carrier
- Aircraft
- N176UW
- Make and model
- Airbus A321211
- Aircraft serial
- 1499
- Aircraft time
- 63,321 hours, 23,750 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 321431
- Part serial
- 92551
- 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.