As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT ENGINE PRV MESSAGE. REFERENCE FIM 36-10-00 PG 162. PER BLOCK 23, PRV FAILED TEST & SHOWS SIGNS OF EXCESSIVE SHAFT WEAR. REMOVED PRV. REPLACED NR 1 ENGINE PRV PER MM, NO HELP. SAME CONDITION AS LOG 2. NO LEFT DUCT PRESSURE, BLEED LIGHT AND BLEED OFF LIGHT ILLUMINATED.