As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GNDED. CABIN EMER FROM FWD MOST OVERWING EMER EXIT ROW ARE DIM. R & R BATTERY PACKS & POWER SUPPLIES AT LOCATION AB5-1 & AB5-2 IAW AMM 33-60-98. SYS CHECKED NORMAL. SEE ALSO AALA 20160506003, AALA 20160506004 & AALA 20160506005.