As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A FLEET CAMPAIGN, MECHANICS FOUND 2 EACH OXYGEN HOSE ASSYS, P/N 417N3138-1 AND DASH 2 TORN OR BROKEN. THE DAMAGED AREA OF THE HOSE WAS JUST DOWNSTREAM OF THE OXYGEN GENERATOR IN THE OVERHEAD PASSENGER SERVICE UNITS. THE BOEING CO WAS INFORMED. THEY REFERRED TO SL 737-SL-35-009-A.