What was found
PRE FLT NR 5462 - STL - ENGINE 1 FIRE DETECTION FAIL IN FLIGHT. MAINTENANCE REMOVED AND REPLACED THE NR 1 ENGINE FIRE DETECTOR LOOP. OPS CHECKED GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PRE FLT NR 5462 - STL - ENGINE 1 FIRE DETECTION FAIL IN FLIGHT. MAINTENANCE REMOVED AND REPLACED THE NR 1 ENGINE FIRE DETECTOR LOOP. OPS CHECKED GOOD.