As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
100240750 - DETECT FIRE ENGINE LEFT (BOTH FIRE LOOP #1 AND #2). PERFORMED GENERAL VISUAL INSPECTION OF LEFT-HAND ENGINE, FIRE LOOP 1 AND LOOP 2 IAW B777-200 WDM 26-11-11. NO DEFECTS NOTED AT THIS TIME. REMOVED AND REPLACED LEFT-HAND ENGINE FIRE DETECTION CARD IAW B777-200 AMM 26-11-03. ALL CHECKS GOOD.