What was found
FLT 1799 FLL-SDQ, 2ND AIR RETURN TO FLL- BLEED LEAK AT 31,000 QRH PERFORMED. FOUND LOOPS 3 CHANNEL 1 AND 2 ZONE 16 ROUTED AND TOUCHING FIRE RETARDANT TUBING, RE-ROUTED FIRE LOOP 3 ENG NR 1 CHANNEL 1 AND 2 TO CORRECT CONFIGURATION IAW AMM 36-22-01. LOOP 3 NOT DAMAGED, FOUND OVERHEAT DETECTION SYSTEM LOOP 3 BITE CHECK GOOD. ACCOMPLISHED THRUST ASSURANCE TEST GOOD, BLEED NR 1 CHECK GOOD IAW EMM 72-00-00, NO DEFECTS NOTED.