What was found
FOUND SPINNER CRACKED DURING INSPECTION. THIS IS THE 9TH SPINNER IN A FLEET OF APPROXIMATELY 9 AIRCRAFT TO CRACK. ALL CRACKS, UP TO 4 PER SPINNER, OCCUR FROM SCREW HOLES. HOFFMAN SERVICE LETTER E5 ADDRESSES FORMER PROBLEMS. SUBMITTER STATED TECHNICIANS SUSPECT PUSHING ON SPINNER IS PART OF CRACKING PROBLEM.