What was found
AFTER POWERING DOWN AIRCRAFT EMERGENCY LIGHTS REMAINED ON. UNDER SEAT LIGHTS SEAT 5 AND 8, ABOVE SEAT 7, LEFT WING INSPECTION LIGHT, AND RIGHT SIDE OVER WING. UPON ARRIVAL WITH ELECTRICAL POWER ON AND EMER BATTERY .SWITCH _IN THE OFF POSITION, VERIFIED. EMER LIGHT ILLUMINATED UNDER SEAT 5 AND 8, AND ABOVE SEAT 7. WHICH HAS BEEN DETERMINED TO BE EMER BATTERY AND INERTIA SWITCH ZONE #3. GAINED ACCESS TO THE #3 INERTIA SWITCH AND RESET, ALL LIGHTS .DISTINGUISHED. PERFORMED EMER UGHTING POWER SUPPLY BATTERY EXERCISE PROCEDURE PER TC-FLT-33-1001. SEE SQWK 1.2 FOR DETAIL OPS NORMAL IAW TC-FLT-33-1001 AND CE-680A AMM 33-50-00.