What was found
CABIN EMERGENCY LIGHTS ARE COMING ON WHEN GROUND SOURCE SWITCH HELD AND GROUND POWER/ BATTERY TURNED OFF. GROUNDED - YES. COULD NOT DUPLICATE EMERGENCY EXIT LIGHT SYSTEM OPERATES NORMALLY NO DEFECTS NOTED.
- Difficulty date
- February 14, 2026
- Submitted
- February 16, 2026
- Operation
- Air carrier
- Aircraft
- N459AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36352
- Aircraft time
- 44,146 hours, 13,742 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Light Sys
- Condition
- Malfunctioned
- Location
- Zone 200
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.