What was found
DURING COAST DOWN AT THE END OF DAY, HEARD AN ABNORMAL CLICKING NOISE COMING FROM THE NR 1 HIGH SPEED SHAFT. THE PILOTS REPORTED THE NR 1 NF STAYED WITH THE NR DURING COAST DOWN WHILE NR 2 NF INDICATION SPLIT OFF. ON FURTHER INVESTIGATION, FOUND THE NR 1 CLUTCH FAILED TO DISENGAGE. REMOVED AND REPLACED THE XMSN AND RETURNED THE A/C BACK TO SERVICE. DURING INSPECTION OF IDLER HUBS, FOUND PINION SPURS AND IDLER HUBS WERE WORN AND WERE OUT OF TOLERANCE. CLUTCHES AND ASSOCIATED ARTICLES SCRAPPED DUE TO WEAR.