What was found
DURING EVENING SHUTDOWN PRIOR TO SCHEDULED REMOVAL OF AFT XMSN(DUE FOR QUILL SHAFT INSPECTION) PILOT NOTICED THE NR DID NOT DROP LIKE NORMAL. GROUND MAINTENANCE VISUALLY SAW THE NR 2 ENG/MIX BOX WAS NOT DISCONNECTING IN A NORMAL MANNER. R&R AFT XMSN PER ORIGINALLY SCHEDULED MAINTENANCE ACTIVITY. SUPPLEMENTAL INFORMATION; THE CLUTCHES ASSOCIATED TO AFT TRANSMISSION, S/N TA-9-6 WERE SCRAPPED FROM SWO-036307-18 FOR FAILING THE KINETIC DRAG INSPECTION (REF. C07-5, CHAPTER 62-10-04, REV.4)