What was found
BLEED 1 LEAK DISPLAYED ON EICAS AFTER TAKE OFF. THIS LP BLEED 1 LEAK FACT 04JUL23 16:47 REMOVED BOTH PACK PANELS AND INSPECTED PACK AREA, NO DEFECTS NOTED. REINSTALLED PANELS AS REQ. INSPECTED AFT AVIONICS AREA, NO DEFECTS NOTED. REQUIRES FURTHER TROUBLESHOOTING AT THIS TIME BLEED 1 COWLING JOINTS 13 & 15 IN CARGO BAY NEEDS LEAK CHECK. BLEED 1 COUPLING JOINTS 28 & 82 IN AFT AVIONICS BAY AND UNPRESSURIZED BAY ALSO NEED LEAK CHECK, AND TO BE RE-SECURED.