As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK MAINTENANCE FOUND RELEASE CBL LANYARD ATTACH EYELET ON SEVERAL O2 MASK ASSYS CRACKED/BROKEN, WHICH IN THE EVENT OF CABIN DEPRESSURIZATION AND MASK DEPLOYMENT WOULD PREVENT THE O2 GENERATOR RELEASE PIN FROM BEING PULLED. INSPECTION CARRIED OUT ON ALL PSU O2 MASK ASSYS. ALL O2 MASK ASSYS IDENTIFIED AS UNSERVICEABLE WERE REPLACED WITH SERVICEABLE ASSYS.