As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE "EMER LTS ON" WHITE STATUS MESSAGE CONTIOUSLY CYCLING ON AND OFF. FLT 4192 DEL 136 MINS. T/S SYSTEM - FOUND RELAY 135 JB11 BAD. REMOVED AND REPLACED RELAY. PERFORMED FUNCTIONAL TEST OF EMERGENCY LIGHTS IAW AMM 33-51-01 PG 526-532. (B)