What was found
EMERG LIGHT SWITCH: DURING CRUISE FLIGHT ALL EMERGENCY LIGHTS CAME ON. LIGHTS EVENTUALLY WENT OUT AND THEN CAME BACK ON UPON LANDING. UNABLE TO RESET ALL LIGHTS. EXIT SIGNS REAMAINED ILLUMINATED.//CORRECTIVE ACTION//CUSTOMER REQUESTS THE RH EMERGENCY BATTERY INERTIA SWITCH BE REPLACED FOR CUSTOMER CONVENIENCE AS WELL AS THE KNOWN FAULTY LH UNIT. REMOVED FAULTY LH EMERGENCY BATTERY INERTIA SWITCH PN: 7607-2-000 SN: NIA AND INSTALLED NEW INERTIA SWITCH PN: 7607-2-000 SN:N/A REF CE-700 AMM 33-60-11. REMOVED RH EMERGENCY BATTERY INERTIA SWITCH PN: 7607-2-000 SN: NIA AND INSTALLED NEW INERTIA SWITCH PN: 7607-2-000 SN: N/A. REC CE-700 AMM 33-50-11. PERFORMED SUCCESSFUL TEST OF THE EMERGENCY HGHTING REF CE-700 AMM 33-50-00