What was found
INSPECTION FOUND CYLINDER ASSEMBLIES WERE STEPPED AT TOP OF BORE. RINGS HAD KNIFE EDGE AT TOP FACE OF RING.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
INSPECTION FOUND CYLINDER ASSEMBLIES WERE STEPPED AT TOP OF BORE. RINGS HAD KNIFE EDGE AT TOP FACE OF RING.