As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE ACCOMPLISHING TASK CARD 78233008 EMERGENCY LIGHTS OPS CHECK FOUND R1 EMERGENCY LIGHTS, FWD FIRST CLASS BOTH L/H AND R/H ALL THE WAY UP TO MID CABIN SECTION INOP. GROUNDED - YES. REMOVED AND REPLACED BATTERY PACK M2816,M1676, AND M2335 REF SMM 33-51-12 AND AMM 33-51-06. OPERATIONAL TEST PASS. ALL LIGHT ILLUMINATE NORMALLY.