As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: PILOT REPORTS CLIMBING THROUGH FL290 INTERMITTENT FAULT LIGHT ON FIRE DETECTION PANEL MASTER CAUTION OVERHEAT DET ON SIX PACK AND ENG #'2 ENGINE OVERHEAT ON FIRE DETECTION PANEL. MAINTENANCE PERFORMED AMM ENG FIRE DETECT 26-11-00 PB501. LOOP RESISTANCE TEST 26-11-00-730-801. APU/ENGINE DETECTION MODULE BITE 26-10-00-810-801. ALL TEST GOOD. REMOVED AND REPLACED ENG/APU MODULE IAW 26-10-01-800-801.