:43 65 MOS 38.93 HRSAISC 227:43 REF: BTC 72-210-01-01 ENC 1600 65 NO. I ENGINE - DETAILED INSPECTION OF THE LEFT ENGINE FWD SUMP. AFT SUMP. AGBITGB MAGNETIC CHIP DETECTORS OR DEBRIS MONITORING SYSTEM DETECTORS AND SCAVENGE SCREENS FOR PARTICLES. MOS HRS/MSC 500 REF: See Workcard ENC NO. I ENGINE - ALTER