As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IR - L ENG BLEED OFF LIGHT CAME ON AFTER T.O. AT 2000FT. L DUCT PRESS <10 PSI. SYSTEM RECOVERED A FEW MIN LATER ONLY TO PRESENT AGAIN AT TOP OF CLIMB. L REV DID NOT OPEN ON LNDG. NO L ANTI-ICE. NO LT ENG BLEED FAULTS ON BITE MODULE. USING PNEUMATIC TEST EQUIPTMENT PER MM - PRC FAILED. REPLACED SAME AND CHKS OK PER MM. ENG RUN OK. LT ENG ANTI-ICE AND T/R OPS OK. ETOPS CATEGORY ''''B'''': DIVERSION OR TURNBACK