What was found
DURING SCHEDULED NONDESTRUCTIVE TESTING AS NOTED IN CESSNA SUPPLEMENTAL INSPECTION DOCUMENT (SID) 57-10-16, A CRACK WAS DISCOVERED ON THE LEFT HAND OUTBOARD NACELLE FITTING (OEM P/N: 5292029-31) THIS CRACK MEASURES APPROXIMATELY .104 INCHES LONG ON THE LOWER OUTBOARD LEG OF THE FITTING, AND IS CONSISTENT WITH OTHERS FOUND USING THE LIGHTED BORESCOPE INSPECTION TECHNIQUE (TEXTRON MEL54-02R2) TO SATISFY THE REQUIREMENT OF AD 2017-10-09. PREVIOUS COMPLIANCE WITH SID 57-10-16 WAS ACCOMPLISHED AT 38844.4 ACTT (425.4 FLIGHT HOURS AGO). THIS FITTING WILL BE REMOVED AND REPLACED USING NEW PARTS.