What was found
WHEN EMER LIGHT SWITCH IS IN THE ARM POSITION, THE EMERGENCY LIGHTS FLASH LIKE A DISCO PARTY IN THE CABIN. REPLACED BATTERIES. OPS CHECK GOOD. IAW AMM: 20-13-21-720-801-A/200, 20-13-21-910-802-A/200, 33-52-01-710-801-A/500
- Difficulty date
- June 7, 2025
- Submitted
- June 9, 2025
- Operation
- Air carrier
- Aircraft
- N478QS
- Make and model
- Emb EMB505
- Aircraft serial
- 50500802
- Aircraft time
- 944 hours, 745 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 7450LS00
- Part serial
- 006027
- Condition
- Defective
- 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.