What was found
OIL COOLER BLOWER DUE 1500 HR OVERHAUL. WORN INBOARD BUSHING IN CASING ASSY. CRACKED IMPELLER. ACTION TAKEN: C/W PRELIMINARY INSPECTION. NO DEFECTS NOTED. DISASSEMBLED OIL COOLER, CLEANED, STRIPPED PAINT & PRIMER & VISUALLY INSPECT ALL PARTS. FOUND MECHANICAL DAMAGE ON BEARING BUSHING OF CASING ASSY AND SENT TO H&S TOOL FOR REPAIR. CLEANED UP LIGHT CORROSION ON REMAINING PARTS. C/W NDT INSP & FOUND CRACK ON IMPELLAR, PARTS FOUND TO BE IN SERVICEABLE CONDITION. INSTALLED 1EACH NEW BRG IN CASING ASS6Y, 1 EACH NEW BEARING ON SHAFT. PRIMED PARTS & REASSEMBLED OIL COOLER WITH ALL NEW HARDWARE, NEW DECAL & NEW SHAFT O RING. O/H OIL COOLER IAW BHT 412 CR&O9CHAP 79 & BHT-ALL-SPM CHAP 2 .