As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
C HYD PUMP EICAS CAME ON DURING GEAR RETRACTION AND WENT OUT AFTER SEVERAL SECS. FOUND PIN 1 CONN D352 DID NOT HAVE 28VDC, JUMPERED RELAY K603 AND GOT 28VDC. REPLACED K60 3 RELAY REF WDM 29-11-32 PG2. ADP OPS CKS GOOD IN AUTO AND ON POSITIONS NOW. ALSO, REPLACED M1057 CARD PRIOR TO RELAY, NO HELP.