As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L STRUT DCT LEAK EICAS BLEED VALVE SHUT OFF AS EXPECTED AND CHECKLIST COMPLETED FOUND DUCT LEAK COMMING FROM PRSOV IN LEFT STRUT. REPLACED NR 1 ENG PRSOV PER MM 36-11-09. NEEDS HIGH POWER RUN. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1209042 SN OFF 0010 VALVE, PRES REG OFF 76-3612-9-0002 0010 ON 76-3612-9-0002 3153 PERFORMED 6MIN HIGH POWER RUN, ALL PARAMETERS AND INDICATIONS NORMAL. OK FOR SERVICE.