As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING T/C 78233008 EMERGENCY LIGHT-OPS CHECK FOUND LH & RH EXIT INDICATOR SIGNS INOP. GROUNDED - YES. DURING WIRING T/S, FOUND BOTH SIDE O/W DOOR TRIM HTR WIRE CONNECTED WITH BOTH SIDE FWD O/W EXIT IND LT(D12068-D12704, D12072-D12706, D12064-D12680, D12066-D12682).SO, CORRECT THE WIRING AND REPLACED BOTH SIDE EMER PWR SUPPLY THEN OPS TEST NML PER AMM TASK 33-51-06-960-806.