What was found
AFT OVERWING EMERGENCY EXIT CEILING LIGHT INOPERATIVE. SWAPPED BATTERY NUMBER 3. OPS CHECK FAILED. REINSTALLED ORIGINAL BATTERY. REMOVED AND REPLACED #4 INVERTER. OPS CHECK SAT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFT OVERWING EMERGENCY EXIT CEILING LIGHT INOPERATIVE. SWAPPED BATTERY NUMBER 3. OPS CHECK FAILED. REINSTALLED ORIGINAL BATTERY. REMOVED AND REPLACED #4 INVERTER. OPS CHECK SAT.