As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EXIT MARKING ASSEMBLY FORWARD OF SEAT 3C INOPERATIVE. SWAPPED EXIT MARKING WITH EXIT SIGN ABOVE FA SEAT. FAULT DID NOT FOLLOW. SWAPPED EMERGENCY LIGHT DC/AC INVERTER. FAULT FOLLOWED #3 INVERTER. ALL PARTS RETURNED TO ORIGINAL POSITION. R&R EMERGENCY LIGHT INVERTER. OPS CHECK SAT. NO FURTHER DEFECTS NOTED.