As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY EXIT SIGN LIGHT INOP DOOR 1R. LOWER LEFT SIGN LIGHT. FLOOR SIGN INOP UPPER SIGN WORKS NEEDS FURTHER TROUBLESHOOTING. REPLACED LIGHT EXIT SIGN, NO HELP. SUSPECT BAD POWER SUPPLY: M1552. REPLACED ECT WIRING TO THE LIGHT. OP CHECKED OK.