As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FIRE, L ENG OVHT, FIRE & OVHT LIGHTS FAILED TO ILLUMINATE DURING ENG-APU-CARGO FIRE-OVHT TEST. APPROPRIATE EICAS MSG WAS DISPLAYED. CREW COMMENTS: ENG OVHT LT NO TEST. REPLACED SEVERED PIN AT NR 2 LOCATION ON L ENG OVERHEAT LIGHT ON ENG FIRE CONTROL PANEL. ACCOMPLISHED ENGINE FIRE AND OVERHEAT DETECTION SYSTEM TEST PER MM, OPS CHECKS NORMAL.