As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT ENG BLEED OFF RAN QRH UNABLE TO RESET. PERFORMED ASCTU BITE & FOUND LT ASCTU FAIL MSG 36-13001 & FAULT CODE 3304 ON FLIGHT LEG 0. REF FIM TASK 36-10-00-810-812. R&R ASCTU IAW AMM 36-11-22-004-001-001 & 36-11-22-404-007-001. RAN LT ENGINE. ALL BLEEDS OPEN & CLOSE & LT THRUST REVERSER OPS NORMAL. OK FOR CONTINUED SERVICE. AIR SUPPLY OFF 64-3600-9-0002 9561 ON 64-3600-9-0002 0001.