As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING RAYTHEON SB 737IGW-35A1 REV 1 AN O2 LEAK WAS DETECTED. FURTHER INSPECTION REVEALED A CRACKED WELD ON THE RT PASSENGER OXYGEN MANIFOLD P/N 97108928-009. THE LINE IS LOCATED ABOVE THE CEILING AT AIRCRAFT STATION 706. THIS IS THE SECOND DISCOVERY OF THIS PROBLEM ON THIS AIRCRAFT. REF SDR BJ6A12906001. THE LINE HAS BEEN REMOVED AND SENT TO THE MANUFACTURER FOR REPAIR.