What was found
ETOPS SIGNIFICANT SYSTEM: FRM # 216-440-00 AUTO TEMPERATURE CONTROL TOO HOT, CANNOT MAKE COOLER IN AUTO OR MANUAL MODE CONT CABIN. ACCOMPLISHED FIM TASK 21-61 TASK 844 INITIAL EVALUATIONS FOUND NO DEFECTS AUTO TEMP CONTROL OPS CHECKS NORMAL IAW 21-61-15 NO DEFECTS NOTED. ACCOMPLISHED FIM TASK 21-61 TASK 864 ACCOMPLISHED PACK/ZONE TEMP CONTROLLERS BITE TEST IAW 21-60 TASK 801 NO FAULTS NOTED. IN REF TO FTD-21-06001 CHECKED FLIGHT DECK MUFFLER IAW 21-22-05 NO DEFECTS NOTED. IN REF TO FTD-21-03005 CLEANED AND SWAPPED MIX MANIFOLD TEMP SENSORS IAW 21-51-51, OPS CHECK NORMAL AUTO TEMP CONTROL CHECKS NORMAL.