Service Letter SL-550-05
NameRevisionLangSubjectDate
enAirspeed Indicator Calibration Inspection05/16/1986
enINSPECTION TIME LIMITS - FLOW CONTROL SHUTOFF VALVE AND BLEED AIR CHECK VALVE OPERATIONAL CHECK REQUIREMENT07/08/1988
1enMandatory TRANSITION TO NEW PHASE 5 INTERVAL05/13/1992
enMandatory TRANSITION TO THE NEW PHASE 5 INSPECTION PROGRAM09/22/1998
enNEW PHASE 5 INSPECTION PROGRAM09/22/1998
enNEW PHASE 5 INSPECTION PROGRAM09/01/1999
enTIME LIMITS/MAINTENANCE CHECKS - TRANSMITTAL OF PRATT & WHITNEY CANADA MAINTENANCE MANUAL TEMPORARY REVISION NO. 05-5, SCHEDULED MAINTENANCE CHECKS12/06/2002
enTIME LIMITS/MAINTENANCE CHECKS - CORROSIVE ENVIRONMENT INSPECTION02/23/2006