What was found
DURING THE MONTH OF NOVEMBER, THERE WERE SEVEN CCU-65 COMPENSATION CONTROL UNITS, P/N 622-6135-014, REMOVED DUE TO PART OR ALL OF BACKLIGHTING BEING INOPERATIVE. THE PARTS TIME SINCE OVERHAUL WERE 6,805.5 HRS FROM N NR 118SK; 6,526.6 HRS FROM N NR 831SK; 6,825.1 HRS FROM N NR 801SK; 5,065.7 HRS FROM N NR 87SK; AND 5,947.8 HRS FROM N NR 91SK. WHEN SENT OUT FOR REPAIR, LAMPS WERE REPLACED AND THE UNITS RETURNED TO SERVICE. THIS GIVES MTBUR OF 6,234.0 HRS. REF: OPERATOR CONTROL NRS S2YA960043, AND 97ZZZX1787, 7ZZZX1788, 97ZZZX1790.