As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE ACCOMPLISHING T/C 78233008 EMERGENCY LIGHT CHECK FOUND AFT L/H EMERGENCY ESCAPE DOOR LIGHT INOP, CTR AISLE EMERGENCY LIGHT INOP AND L/H EXIT EMERGENCY LIGHT NEAR INBD L/H TE FLAP INOP. GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY BATTERY PACK AT EQUIPMENT #M1670 PER AMM 33-51-06-960-805. OPS CHECK GOOD ALL LIGHTS ON. PULLED AND RESET 4 C/B'S.