What was found
PDIS 658 36-21 2148011 24SEP21 ROC CLOSE BLEED 1 LEAK SHORTLY AFTER LIFTOFF WITH TO1 THRUST .... T/S BLEED LEAK FOUND HOT SECTION AT PANEL 414DB, OPENED PANEL IAW AMM 06 43 00. FOUND HOT SECTION ACROSS FROM EBV1. R+R EBV1 IAW AMM 36 11 05. PERFORMED ENG RUNS, NO FIX R+R PRE COOLER #1, REPLACED O RING ON #1 FAN AIR THERMOSTAT, R+R LH PYLON DUCT LEAK THERMAL SWITCH, R+R APU BLEED AIR CHECK VLV, ALL NO FIX. FOUND AFT LOWER SIDE CARGO DOOR BLEED COUPLING LOOSE. TIGHTED PER AMM 36 11 09. OPS AND LEAK CHECK GOOD.