As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
USING COCKPIT TEST SWITCH, THERE IS NO SECOND SET OF TONES, NO FLASHING LIGHT AND CVR DOES NOT ILLUMINATE. SHUT DOWN LIGHT EVEN AFTER 15 MINUTES WITH NO ENGINE OIL PRESSURE TO SWITCHES. SENT TO ALLIED SIGNAL REDMOND SUPT. FOR RETURN...THEIR PROPERTY BEING RETURNED.