As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON INITIAL CLIMB "L ENG BLEED OFF" EICAS MESSAGE. RAN QRH PROCEDURE, NO RESOLUTION.(<P>TRANSFERRED TO MDDR 144109 PER DDG 36-11-02-02, CAT C, DUE 30MAR21.</P><P>LP <SPAN>1480687: </SPAN><SPAN>REMOVED AND REPLACED LT PRSOV IAW B767 AMM 36-11-09. COMPLETED UP TO SUBTASK 36-11-090-722-085-001. PERFORMED IDLE ENGINE RUN IAW AMM 71-00-00. PERFORMED LEAK CHECK AND TEST OF PRSOV IAW AMM TASK 36-11-09. OPS CHECK OK. NO LEAKS NOTED. THIS CLEARS MDDR 144109.</SPAN></P>)