What was found
EXCESSIVE LOAD ON PLUGS CAUSING MATERIAL TO DETERIORATE. SCRAPPED LOCALLY. LOWER TORQUE ON ADJUSTING SCREWS. LOWER PRELOAD ON PLUGS.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
EXCESSIVE LOAD ON PLUGS CAUSING MATERIAL TO DETERIORATE. SCRAPPED LOCALLY. LOWER TORQUE ON ADJUSTING SCREWS. LOWER PRELOAD ON PLUGS.