What was found
DURING HEAVY MAINTENANCE INSPECTION THE OXYGEN MANIFOLD AT PSU 3L FAILS LEAK CHECK. REPLACED MANIFOLD IAW B727 MM 352131. OPS AND LEAK CHECK NORMAL IAW B727 MM 352100.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY MAINTENANCE INSPECTION THE OXYGEN MANIFOLD AT PSU 3L FAILS LEAK CHECK. REPLACED MANIFOLD IAW B727 MM 352131. OPS AND LEAK CHECK NORMAL IAW B727 MM 352100.