R CONTACT. SERVICE BULLETIN MOS 03-OCT-2011 HRS/MSC 24000 (s) ENC SB 72-0515 R7 NO.2 ENGINE - ENGINE - COMPRESSOR FRONT STATOR (72-32-00)- ON WING BORESCOPE INSPECTION FOR HPC RECOMMENDED STATOR-TO-ROTOR CONTACT. SERVICE BULLETIN MOS 21-OCT-2011 HIRS/MSC 24000 (s) ENC SB 72-0520 NO.2 ENGINE - INSPECTION OF THE FOR