What was found
AIRCRAFT WAS NOT GROUNDED: OPERATIONAL TEST OF EMERGENCY LIGHTS FAIL FORWARD LEFT (10WL) POSITION. MAINTENANCE REPLACED EMERGENCY POWER SUPPLY UNIT BATTERY AT 10WL POSITION. TESTED GOOD PER AMM 33-51-38.
- Difficulty date
- September 2, 2026
- Submitted
- September 7, 2026
- Operation
- Air carrier
- Aircraft
- N758US
- Make and model
- Airbus A319112
- Aircraft serial
- 1348
- Aircraft time
- 64,557 hours, 41,762 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- AD321431
- Condition
- No Test
- Location
- Zone 200
- 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.