As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: EMERGENCY LIGHTING SYSTEM BATTERIES DEPLETED. EMERGENCY LIGHTING SYSTEM INOPERATIVE. CHARGED EMERGENCY BATTERIES AND PERFORMED BITE TEST OF THE EMERGENCY POWER SUPPLY UNITS PER AMM 33-51-00-710-001-A OPS CHECKS GOOD