As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF OUT OF LAX AT ABOUT 300 FT, RECEIVED A DUCT LEAK ON LEFT ENGINE. SHUTDOWN LEFT ENGINE AND LIGHT EXTINGUISHED AFTER 2-3 MINUTES. RETURNED TO LAX. REINSTALLED COVER OVER REGULATING VALVE. RAN ENGINE WITH BLEEDS IN LOW AND AUTO FOR 1/2 HOUR. NO DEFECTS NOTED.