What was found
AIRCRAFT WAS NOT GROUNDED: OPS TEST OF EMERGENCY LIGHTS FAILED DURING AIRCRAFT WAS NOT GROUNDED: ACCOMPLISHMENT OF PSCHECK. FAULT READS ATA 335100 BAT/EPSU (13WL) AFT L. TROUBLESHOT. REMOVED AND REPLACED EPSU BATTERY.
- Difficulty date
- March 26, 2024
- Submitted
- March 28, 2024
- Operation
- Air carrier
- Aircraft
- N914UY
- Make and model
- Airbus A321231
- Aircraft serial
- 6337
- Aircraft time
- 29,890 hours, 12,083 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- UNKNOWN
- 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.