As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER LANDING EMERGENCY EXIT LIGHTS AROUND R1 AND 1ST CLASS CABIN CAME ON FOR APPROX 30 SECS TO 1 MINUTE. GROUNDED - YES. VERIFIED DISCREP. AS I WAS REMOVING M2816 EMERGENCY EXIT LIGHT BATTERY PACK, BUMPED BATTERY PACK AGAINST FRAME WORK, DISCREP. LIGHTS CAME ON FOR 30 SEC. M2816 REMOVED/REPLACED REF AMM 33-51-06, OPS NM REF SAME AMM.