As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
***WHILE A/C WAS OUT OF SERVICE FOR HEAVY CHECK*** AFT ENTRY HOUSING EXIT LOCATOR SING INOP. AFT ENTRY HOUSING LOCATOR SIGN REPLACED AND TESTED SERVICEABLE IAW AMM 33-50-19-400-801-A. A/C REMAINS OUT OF SERVICE FOR HEAVY CHECK COMPLETION.