What was found
CORROSION WAS FOUND BELOW TTE PITCH LINES OF THE BLADE THREADS CAUSING THE BLADE TO BE UNAIRWORTHY PER MCCAULEY SM NR 720415. SUBMITTER STATED ADHERING TO COMPLIANCE TIMES OF AD 91-15-04 MAY HAVE PREVENTED THIS CONDITION.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CORROSION WAS FOUND BELOW TTE PITCH LINES OF THE BLADE THREADS CAUSING THE BLADE TO BE UNAIRWORTHY PER MCCAULEY SM NR 720415. SUBMITTER STATED ADHERING TO COMPLIANCE TIMES OF AD 91-15-04 MAY HAVE PREVENTED THIS CONDITION.