As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
#1 ENG. OVERHEAT AS AUTOTHROTTLES MOVED TO MAXIMUM. WENT OUT IMMEDIATELY WITH POWER REDUCTION. EXISTING MEL HAD ONLY LOOP B ON OVRHT DETECTOR SELECTED. GROUNDED - YES. REF. B737-900 WDM 26-11-11 PG 1 SHT 1, WHILE OHMING OUT CORE DETECTORS AND SHAKE DOWN OF CORE HARNESSES, FOUND MWO326 SHORTING TO CLAMP DUE TO FAILED INSULATOR WHICH DAMAGED CORE HARNESS. REF. B737-900 AMM 26-11-02, REMOVED/REPLACED MW0326 DETECTOR CORE HARNESS , INSULTATORS AND CLAMPS.