As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PRE-FLIGHT, LOWER AFT BODY OVERHEAT WILL NOT TEST. BULB TESTED GOOD. TRANSFERRED TO DMI 12918 IAW B727 MEL 26-10-2 CAT-C, PLACARDS INSTALLED. REF DMI 12918 LOWER AFT BODY OVERHEAT WILL NOT TEST. BULB TESTED OK. CLEANED AND RESEATED CONNECTOR AS PER WPM 20-60-1. SYSTEM TESTED GOOD IAW M/M 26-14-01. THIS ACTION CLEARS DMI 12918.