As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
POWER SUPPLY M1671 FOR RH MID CABIN EMERGENCY LIGHTS FOUND TO FAIL TO CHARGE BATTERY. FAULT IN POWER SUPPLY FOUND WHILE WORKING TC 78233001. GROUNDED - YES. POWER SUPPLY M1671 REMOVED AND REPLACED PER AMM 33-51-06-960-806. ONE MIG-51A INSTALLED AND REMOVED. OPS CHECK NORMAL.