As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTS FAILED TO ILLUMINATE. RAI EMERGENCY BATTERY POWER PACKS NR 1 PN OFF 20131A SN OFF 12527, RAI NR 2 EMERGENCY BATTERY POWER PACK NR OFF 20131A SN OFF 74856. RAI NR 3 EMERGENCY BATTERY POWER PACK PN OFF 20131A SN OFF 74715. RAI NR 4 EMERGENCY BATTERY POWER PACK PN OFF 20131A SN OFF 74539, OPS CHECK GOOD. (SW21200403421)