What was found
DURING HEAVY MAINTENANCE INSPECTION THE OXYGEN MANIFOLD FAILS LEAK CHECK AT PSU 20 LT. REPLACED MANIFOLD IAW B727 MM 352131. LEAK CHECK AND OPS CHECK GOOD 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 FAILS LEAK CHECK AT PSU 20 LT. REPLACED MANIFOLD IAW B727 MM 352131. LEAK CHECK AND OPS CHECK GOOD IAW B727 MM 352100.