What was found
THE SUBJECT ASSY WAS OBSERVED TO HAVE BURN-THROUGH OF THE NOZZLE NUT DURING ENGINE BORESCOPE INSPECTIONS BY THE OWNER/OPERATOR, ALOHA AIRLINES. THE ASSY WAS REMOVED FROM THE ENGINE AND RETURNED TO WOOD GROUP FUEL SYSTEMS, INC., FOR INVESTIGATION OF THE REPORTED CONDITION. UPON RECEIPT, THE ASSY WAS PRESSURE TESTED IAW THE P & W CMM AND OBSERVED TO HAVE EXTERNAL LEAKAGE. TEAR-DOWN INSPECTIONS AND METALLURGICAL EVALUATION REVEALED CRACKS IN THE SEAL. ALL FUEL NOZZLE AND SUPPORT ASSY HARDWARE HAS BEEN FORWARDED TO P & W FOR CONTINUED EVALUATION.