412CF Alert Service Bulletins


File Name
Date Posted
Description
  ASB_412CF-17-62.pdf 03-Mar-17 MAGNETIC BRAKE ASSEMBLY 204-001-376-003, INSPECTION AND REPAIR OF
  ASB_412CF-16-61.pdf 25-Mar-16 TRANSMISSION OIL LINES 412-040-204-101 AND 412-040-200-101, INSPECTION AND REVISED CLAMPING OF
  ASB_412CF-15-60.pdf 20-Jan-16 SEAT BELT COMFORT CLIPS, REMOVAL OF
  ASB_412CF-15-59.pdf 15-Sep-15 FUEL CHECK VALVE 209-062-607-001, INSPECTION AND REPLACEMENT OF
  ASB_412CF-15-58.pdf 08-Sep-15 TAIL ROTOR FLIGHT CONTROL TUBE 212-001-055-101 AND BEARING DAS4-14A1-512, INSPECTION OF
  ASB_412CF-15-57.pdf 04-Sep-15 ENGINE OIL CHECK VALVE 209-062-520-001, INSPECTION AND REPLACEMENT OF
  ASB_412CF-14-56.pdf 03-Sep-14 MAIN ROTOR DRIVE, ENGINE-TO-TRANSMISSION DRIVE SHAFT RETAINING NUTSINSPECTION/REPLACEMENT.
  ASB_412CF-12-48-RB.pdf 19-Mar-14 SIMPLE PENDULUM ABSORBER BRACKETS 412-010-264-101 / -105, INSPECTION AND REWORK
  ASB_412CF-12-48-RA.pdf 12-Dec-13 SIMPLE PENDULUM ABSORBER BRACKETS 412-010-264-101 / -105, INSPECTION AND REWORK
  ASB_412CF-13-55.pdf 18-Nov-13 FLIGHT CONTROLS ¿ HYDRAULIC SERVOACTUATOR UNDERSIZED THREAD ROOT RADIUS.
  ASB_412CF-12-51-RA.pdf 27-Sep-13 CYCLIC CONTROLS FORE AND AFT POSITION SENSOR RIGGING, CHANGE OF
  ASB_412CF-13-54.pdf 23-Aug-13 TRANSMISSION AND GEARBOX OIL COOLER 209-062-501-005 SERIAL NUMBER VERIFICATION AND REPLACEMENT OF.
  ASB_412CF-13-53.pdf 25-Apr-13 INVERTER P/N 412-375-079-101, INSPECTION
  ASB_412CF-13-52.pdf 04-Feb-13 TAIL ROTOR BLADE P/N 212-010-750-ALL, INSPECTION
  ASB_412CF-12-51.pdf 03-Jan-13 CYCLIC CONTROLS FORE AND AFT POSITION SENSOR RIGGING, CHANGE OF.
  ASB_412CF-12-49.pdf 18-Dec-12 ENGINE FIRE EXTINGUISHER BOTTLE STEM INSPECTION
  ASB_412CF-12-50.pdf 29-Nov-12 SWASHPLATE OUTER RING RETAINING BOLTS IN SAFETY, ONE TIME INSPECTION
  ASB_412CF-11-47-RA.pdf 12-Dec-11 COLLECTIVE LEVER 412-010-408-101, 100 HOUR SPECIAL INSPECTION INTRODUCTION
  ASB_412CF-11-46.pdf 16-May-11 MAIN ROTOR BLADE EXPANDABLE BOLT PN 412-010-137-103 - SPACER PN SL54020-14; INSPECTION OF.
  ASB_412CF-11-45.pdf 10-Jan-11 ROD END ASSEMBLIES 412-310-400-101 AND 412-310-400-103, REPLACEMENT OF.
  ASB_412CF-10-43.pdf 09-Dec-10 DIRECTIONAL FLIGHT CONTROL BEARING P/N MS27643-4; INSPECTION AND REPLACEMENT OF.
  ASB_412CF-07-30_Rev_B.pdf 07-Dec-10 REVISION B TO ALERT SERVICE BULLETIN 412CF-07-30: TAIL ROTOR BLADE ASSEMBLY, INSPECTION OF.(CORRECTED COPY)
  ASB_412CF-10-44.pdf 07-Oct-10 NON-CONFORMING BUS BAR P/N 412-075-120-123, REPLACEMENT OF.
  ASB_412CF-10-42_Rev_A.pdf 19-Aug-10 INSPECTION FOR GAP BETWEEN THE INTAKE FAIRING ASSEMBLY AND THE LOWER FORWARD FIREWALL HORIZONTAL FLANGE.
  ASB_412CF-10-41.pdf 26-Jan-10 INSPECTION OF TRANSMISSION OIL LINE P/N 70-061L000V360A FOR CORRECT LENGTH.
  ASB_412CF-10-40.pdf 19-Jan-10 GEARBOX COWL DOOR HINGES, CRIMPING OF.
  ASB_412CF-09-38_Rev_A.pdf 08-Dec-09 REVISION A TO ALERT SERVICE BULLETIN 412CF-09-38: TAIL ROTOR BLADE P/N 212-010-750-ALL, INSPECTION OF.
  ASB_412CF-09-39.pdf 30-Nov-09 MAIN ROTOR EXPANDABLE BOLT P/N 412-010-137-103
  ASB_412CF-08-35_Rev._A.pdf 23-Apr-09 MAIN ROTOR YOKES PN 412-010-101-127, AND -129, REDUCTION IN AIRWORTHINESS LIFE FROM 5000 TO 4500 HOURS AND RE-IDENTIFICATION OF.
  ASB_412CF-09-37.pdf 18-Feb-09 INSPECTION/CHANGE OF RESTRAINT SYSTEM ASSEMBLY WITH INERTIA REEL AND MANUAL LOCK HANDLE
  ASB_412CF-08-36.pdf 26-Jun-08 FLIGHT CONTROLS - HYDRAULIC SERVO ACTUATOR RECALL FOR UNDERSIZED RADIUS
  ASB_412CF-07-34.pdf 05-Dec-07 CYCLIC FLIGHT CONTROL BEARING, P/N MS27643-4 ONE TIME INSPECTION AND REPLACEMENT OF
  ASB_412CF-07-33.pdf 05-Dec-07 FUEL CAPACITY DECAL REPLACEMENT
  ASB_412CF-07-32.pdf 05-Dec-07 INCORPORATION OF ROTOR SPEED LIMITATION
  ASB_412CF-07-31.pdf 02-Nov-07 AGB COUPLING - SHAFT BEARING - INSPECTION/REPLACEMENT OF
  ASB_412CF-07-29.pdf 10-Apr-07 DISC ASSEMBLY 412-340-610-101, INSPECTION OF
  ASB_412CF-07-28.pdf 28-Mar-07 ENGINE, P3 FILTER AND PNEUMATIC SYSTEM - INSPECTION OF
  ASB_412CF-06-27_Rev_A.pdf 21-Dec-06 POSSIBLE INTERFERENCE BETWEEN 212-040-229-001 TUBE ASSEMBLY AND 212-030-041-233 SUPPORT, MODIFICATION TO CORRECT
  ASB_412CF-06-26_Rev_A.pdf 28-Nov-06 INSTALLATION OF COMPRESSOR SAFETY STRAP
  ASB_412CF-05-25.pdf 02-May-05 TAIL ROTOR BLADE P/N 212-010-750-009 THROUGH -129, INSPECTION AND REWORK OF
  ASB 412CF-00-13 Rev D.pdf 18-Mar-05 TAIL ROTOR BLADE P/N 212-010-750-009 THROUGH -129 TIP BLOCK RETENTION MODIFICATION
  ASB 412CF-05-24.pdf 28-Feb-05 CROSS HEAD P/N 212-010-775-001, INSPECTION AND RECALL OF SPECIFIC SERIAL NUMBER PART
  ASB 412CF-05-23.pdf 09-Feb-05 AERONAUTICAL ACCESSORIES, INC. ASB NO. AA-03017 FOR EXTERNAL HOIST KITS
  ASB 412CF-04-22.pdf 06-Dec-04 TAIL ROTOR PITCH HORN ASSEMBLY P/N 212-011-708-105, REPLACEMENT OF
  ASB 412CF-03-21 Rev B.pdf 28-Sep-04 M/R SPINDLE ASSEMBLY P/N 412-010-156-105, 412-010-190-101, 412-010-190-103, AND 412-010-190-105, INSPECTION OF
  ASB 412CF-03-20.pdf 18-Feb-03 TAIL ROTOR BLADE ASSEMBLY P/N 212-010-750-105, -107, -113, -115, INSPECTION AND REFINISHING.
  ASB 412CF-02-19.pdf 20-Dec-02 TAIL ROTOR BLADE ASSEMBLIES P/N 212-010-750-113 AND -115, INSPECTION AND REWORK OF.
  ASB 412CF-02-18.pdf 10-Sep-02 CARGO HOOK, ONBOARD SYSTEMS P/N 528-002-00
  ASB 412CF-02-17 .pdf 04-Sep-02 SWASHPLATE AND SUPPORT ASSEMBLY, BOLT 204-011-463-001 TO A -109 RE-IDENTIFICATION OF.
  ASB 412CF-01-16.pdf 02-Nov-01 HUMS DC POWER WIRING MODIFICATION
  ASB 412CF-01-15.pdf 12-Apr-01 CHIP DETECTOR ASSEMBLY, TEDECO B3703
  ASB 412CF-01-14.pdf 01-Feb-01 MAGNETIC BRAKE P/N 204-001-376-003, ONE TIME INSPECTION OF.
  ASB 412CF-00-12.pdf 07-Nov-00 MAIN HYDRAULIC SERVO ACTUATOR ROD END LOCK WASHER, INSPECTION AND REPLACEMENT OF
  ASB 412CF-00-10 Rev A.pdf 21-Sep-00 TAIL ROTOR COUNTERWEIGHT BELLCRANK RETENTION NUT MS14145L6 AND MS17826-6, INSTALLATION AND ONE TIME USE OF
  ASB 412CF-00-9.pdf 29-Mar-00 COLLECTIVE LEVER PIN 412-010-422-103, RETENTION BOLT NAS6604H5 OR NAS6604H4, INSPECTION OF.


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