What was found
DURING SCHEDULED NDT INSPECTION AS NOTED IN SID 57-10-16, A CRACK WAS NOTED ON THE LEFT HAND INBOARD NACELLE FITTING P/N: 5292029-21. THE CRACK MEASURES .125 INCHES LONG AND IS CONSISTENT WITH OTHERS FOUND USING THE LIGHTED BORESCOPE INSPECTION TECHNIQUE (TEXTRON MEL54-02R3). THIS CRACK WAS NOT VISUALLY IDENTIFIED DUE TO PRIMER ON THE FITTING IN THE AREA. THE LAST LIGHTED BORESCOPE INSPECTION TO SATISFY AD 2017-10-09 WAS PERFORMED AT ACTT: 28302.2 AND 8583 CYCLES. THIS FITTING WILL BE REPLACED USING NEW PARTS.