As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINE 1 BLEED LEAK DISPLAYED ON UPPER ECAM SCREEN. AIR CREW COMMENTS: ON ENGINE START GOT ENGINE 1 BLEED LEAK. MAINT TEXT: AC RETURNED TO GATE. FLT CREW STARTED ENGINES FOR TROUBLESHOOTNG. TWICE SAME MESSAGE: ENG1 BLEED LEAK ON ECAM. CFDS SHOWED NO CLASS 3 FAULTS AND BMC TEST OKAY. FOUND 1HF1 LOOP FAILED LOOP TEST RESISTANCE. SHOT FROM BMC TO LOOP. REPLACED LOOP PER MM, RAN ENG 2X (5MIN EACH TIME FOR PFR) NO FAULTS.