214ST Technical Bulletins


File Name
Date Posted
Description
  TB_214ST-90-117-RA.pdf 31-May-12 REPAIR AND OVERHAUL OF AFCS ACTUATORS P/N'S 214-001-540-107/ -113 (ROLL), 214-001-540-109/ -115 (PITCH), 214-001-540-111/ -117 (YAW)
  TB_214ST-11-INDEX.pdf 29-Feb-12 TECHNICAL BULLETIN INDEX
  TB_214ST-11-176.pdf 08-Dec-11 MAIN ROTOR TRUNNION ASSEMBLY, P/N 214-010-230-101, REVISION OF MAGNETIC PARTICLE INSPECTION PROCEDURE
  TB_214ST-90-112-RA.pdf 02-Sep-11 ROOF FRAME P/N 214-031-516-131, -132, -139, AND -140, REPAIR/MODIFICATION OF
  TB_214ST-90-115_Rev_A.pdf 08-May-08 TAILROTOR DRIVESHAFT HANGER ASSEMBLY P/N 214-040-600, CONFIGURATION CHANGE AND UPGRADE
  TB_214ST-06-175.pdf 21-Dec-06 SUPPORT PLATES ON THE FLY BY WIRE (FBW) 214-001-970-107/ -111 ACTUATORS, INSTALLATION OF
  TB 214ST-04-174 Rev A.pdf 26-Jun-06 REVISION A TO TECHNICAL BULLETIN 214ST-04-174: SCISSORS AND SLEEVE ASSEMBLY, SLEEVE UPPER NUT, P/N 214-010-418-001, ADDITIONAL MAINTENANCE MANUAL INSPECTION REQUIREMENTS
  TB 214ST-89-101.pdf 12-Nov-03 85 GALLON AUXILIARY FUEL KIT, P/N 214-706-600, MODIFICATION OF
  TB 214ST-95-142.pdf 12-Nov-03 SCISSORS AND SLEEVE ASSEMBLY, P/N 214-010-501-103, -107, -109, -113, AND -115, DRIVE PLATE ATTACHMENT BOLT AND WASHER REPLACEMENT
  TB 214ST-97-155.pdf 12-Nov-03 MODIFICATION OF P/N 214-015-300 MAIN ROTOR BLADES TO P/N 214-015-300-129 BY APPLICATION OF A HIGH VISIBILITY PAINT SCHEME
  TB 214ST-03-173.pdf 25-Mar-03 INTERMEDIATE GEARBOX MOUNTING HARDWARE CHANGE
  TB 214ST-99-160.pdf 20-Mar-03 STARTER MOTOR CLUTCH ASSEMBLY, P/N 36B510954G2, CLEANING/OVERHAUL PROCEDURE
  TB 214ST-02-172.pdf 18-Nov-02 REPLACEMENT OF P/N 214-175-380-101 NICKEL-CADMIUM BATTERY
  TB 214ST-02-171.pdf 08-Nov-02 INTRODUCTION OF NEW TAIL ROTOR BLADE RETAINING BOLT AND WASHER HARDWARE
  TB 214ST-02-170.pdf 04-Sep-02 INTRODUCTION OF P/N 214-060-056-109 ELECTRIC STARTER MOTOR
  TB 214ST-02-169.pdf 30-Aug-02 MAIN ROTOR HUB ASSEMBLY SPINDLE ASSEMBLY, P/N 214-010-103, REVISION OF INSPECTION AND OVERHAUL REQUIREMENTS
  TB 214ST-02-168.pdf 18-Jun-02 INTRODUCTION OF P/N 214-001-133-103 COLLAR AND MODIFICATION OF EXISTING P/N 214-001-133-001 COLLAR
  TB 214ST-02-167.pdf 31-May-02 TAILBOOM STATION (BS) 293.50 BULKHEAD INSTALLATION AND VERTICAL FIN ASSEMBLY SPLICES, ADDITIONAL MAINTENANCE MANUAL INSPECTION REQUIREMENTS
  TB 214ST-02-166.pdf 18-Jan-02 TAIL ROTOR HUB ASSEMBLY BLADE PITCH CHANGE BEARING BOLTS, ADDITIONAL MAINTENANCE MANUAL AND COMPONENT REPAIR AND OVERHAUL MANUAL INSPECTION AND ASSEMBLY REQUIREMENTS
  TB 214ST-01-165.pdf 02-Apr-01 BL 14.0 LEFT AND RIGHT HAND MAIN BEAM ASSEMBLIES, FS 227.10 CENTER BULKHEAD ASSEMBLY, AND FS 255.20 AFT CABIN BULKHEAD ASSEMBLY, ADDITIONAL MAINTENANCE MANUAL INSPECTION REQUIREMENTS
  TB 214ST-90-110C.pdf 22-Dec-00 REVISION "C" TO TECHNICAL BULLETIN 214ST-90-110: COMBINING GEARBOX ASSEMBLY P/N 214-040-013, CONFIGURATION CHANGE AND UPGRADE
  TB 214ST-00-164.pdf 28-Nov-00 INTRODUCTION OF NEW COMBINING GEARBOX ASSEMBLY GENERATOR PAD SEAL, P/N 209-340-265-103
  TB 214ST-91-119A.PDF 02-Nov-00 MAIN TRANSMISSION ASSEMBLY P/N 214-040-002, CONFIGURATION CHANGE AND UPGRADE, REVISION A
  TB_214ST-00-163.pdf 15-Jun-00 INTRODUCTION OF NEW TRANSMISSION RING GEAR CASE ASSEMBLY, P/N 214-040-361-101
  TB 214ST-98-158A.PDF 17-Mar-00 DUEL HYDRAULIC SERVO ACTUATOR CHANGE IN RETIREMENT LIFE AND ESTABLISHMENT OF TBO INTERVAL
  TB 214ST-99-162.pdf 15-Mar-00 INTRO. OF 214-030-626-103 CLEVIS & 214-031-601-129 RESTRAINT
  TB 214ST-99-161.pdf 15-Mar-00 REPLACEMENT OF SPEAKER MT. BRACKET
  TB 214ST-98-156A.pdf 15-Mar-00 BELLMOUTH HEATER CIRCUIT MODIFICATION


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