As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WITH OXY CREW SUPPLY PUSHBUTTON SWITCH IN THE OFF POSITION & PRESSING ANY OXY PRESS TO TEST RESET CONTROL SLIDE SEVERAL TIMES, ON SEVERAL DIFFERENT STOWAGE BOXES, DOES NOT RESULT IN A REGULAR LOW PRESS MESSAGE. IAW NR 2 SERVICE CHECK ITEM I 7A. REPLACED SOLENOID VLV IAW TASK 35-134-51-400-001-A.