As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW OXYGEN PRESSURE READS 40PSI ON EICAS INDICATION INOP.(<P>TRANSFER TO MDDR 159293 IAW MEL 35-11-02-01, CAT B.</P> / <P>LP 1604090 - REMOVED AND REPLACED VOLTAGE AVERAGING UNIT IAW AMM 35-11-06. OPS CHECK GOOD AT THIS TIME. THIS CLEARS MDDR 159293.</P>)