What was found
DURING FLIGHT 3478, GREEN HYDRAULIC SYSTEM TEMP HIGHT LIGHT ILLUMINATED INFLIGHT. AIR RETURN TO DTW. MAINTENANCE REPLACED HIGH TEMP SWITCH.P/N HE83273-1 S/N OFF 1046TW S/N ON 1067TW OPS CHECK GOOD FOR HI TEMP.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING FLIGHT 3478, GREEN HYDRAULIC SYSTEM TEMP HIGHT LIGHT ILLUMINATED INFLIGHT. AIR RETURN TO DTW. MAINTENANCE REPLACED HIGH TEMP SWITCH.P/N HE83273-1 S/N OFF 1046TW S/N ON 1067TW OPS CHECK GOOD FOR HI TEMP.