As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE FLIGHT, BLUE OXYGEN LIGHTS AT FLIGHT ATTENDANT JUMPSEAT ILLUMINATED. AFTER TESTING COCKPIT ANNUNCIATOR. THE CABIN OXYGEN LIGHTS IN COCKPIT ILLUMINATED AIR TURN BACK TO ACY FOR MAINTENANCE. GENERATED FROM PILOT REPORT. PERFORMED OPS CHECK IAW 35-20-0. LEAK CHECK GOOD, NO MALFUNCTION FOUND WITH SYSTEM. (M)