72-0295 R1 NO 2 ENGINE - FAN AND BOOSTER (72-21.00) INSPECTION OF THE BOOSTER SPOOL (SUPERSEDED BY 72-0295 R2). SUPERSEDED SERVICE BULLETIN MOS HRSoliSC -(s) ENC SB 72-0295 R3 NO 2 ENGINE - FAN AND BOOSTER (72-21.00) INSPECTION OF THE BOOSTER SPOOL. SERVICE BULLETIN MOS 22-JUN-2007 HRSi P.ISC