As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING UNLOADING LOST APU DUCT PRESSURE(<P>TRANS TO MDDR 152610 CAT C IAW DDG 49-11-01-01.</P> / <P>REF LOGPAGE 1395659 ITEM 5: FOUND ISO VALVES IN OFF POSITION, PUSHED ISO SWITCH IN, OPS CHECK GOOD. THIS CLEARS MDDR #152610 IAW B767 AMM 49-11-00.</P>)