As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING T/C 782330088, FOUND EMRGENCY LIGHTS BATTERY PACK INOP (LH, 9 WINDOWS FWD OF FWD OVERWING EXIT, FOOT PANEL). GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY BATTERY PACK REF AMM 33-51-06, OPS CHECK GOOD 3 EA MIG-51A INSTALLED/REMOVED.