What was found
EMERGENCY LIGHTS TURNED ON IN FLIGHT, PULSING ON AND OFF IN RANDOM INTERVALS. UPON LANDING, LIGHTS STAYED ON, BUT WOULD NOT TURN OFF IN THE ARM POSITION
- Difficulty date
- January 4, 2026
- Submitted
- January 7, 2026
- Operation
- Air carrier
- Aircraft
- N473QS
- Make and model
- Emb EMB505
- Aircraft serial
- 50500777
- Aircraft time
- 1,823 hours, 1,404 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 7450LS00
- Part serial
- 007178
- Condition
- Faulty
- 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.