What was found
AFTER INSTALLING FITTINGS ON A PIECE OF AEROQUIP 303-8 HOSE, FOUND HOSE CLOGGED. INVESTIGATION REVEALED APPROX 1 FOOT OF THE HOSE WAS SOLID RUBBER INSIDE. HOSE PURCHASED FROM AVSCO ON 4-28-97. BATCH NR MIL-H-8794-8-3096-248-06827. IF HOSE HAD NOT BEEN CHECKED AFTER INSTALLING FITTINGS, ENGINE OIL FLOW WOULD HAVE STOPPED AT OIL COOLER WITH DISASTROUS RESULTS. HOSE SENT TO NTSB, MIA.