As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HOSE PART NUMBERS ARE INCORRECT IN THE PARTS MANUAL. FOUND THIS OCCURRENCE ON ONE OTHER (429CA, S/N 4636092) PA46350P. HOSES IN THE AFT HYDRAULIC SYSTEM FOUND LEAKING THROUGH BRAIDING AND AT FITTINGS ENOUGH TO HAVE FLUID AT AND UP TO SEVERAL BULKHEADS FORWARD OF LEAK AREA. SUBMITTER STATED A MORE FLEXIBLE HOSE (SMALLER OD) OR AN ANGLE FITTING ON HOSE WOULD REMEDY THE PROBLEM.