As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
R ENG HPSOV EICAS ADVISORY MSG INTERMITTENT FOR FIRST 2 HRS OF FLT. NO CHANGE IN DUCT PRESS WHEN MSG PRESENT. R ENG HPSOV STATUS MSG REMAINED.(<P>TRANSFERRED TO MDDR # 156439 PER MEL 36-11-02-02.</P> / <P>REF LOG 1373646 - REMOVED AND REPLACED RT ENG HPC IAW AMM 36-11-08. OPS CKS GOOD. THIS CLEARS MDDR 156439.</P>)