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Technical Bulletins for Model 369H Series

Last Updated: 16 MAR 2009

Size 369H
TB369H-
or HN-
Title Issue/Reissue Date
287K TB369H-004 ENGINE AUTOMATIC RE-IGNITION MODIFICATION 13 MAR 2009
65K TB369H-003 Cyclic Trim Actuator Housing Replacement or Modification 12 JUN 2001
431K TB369H-002 Cyclic Grip Modification 1 JUN 1999
30K TB369H-001R1 Door Seal Replacement CANCELLED
15 mar 2002
72K 203 Installation of Oil Tank Filler Nozzle Strainer Assembly PN 369D28318 15 APR 1986
61K 188 Installation and Replacement of Protective sleeve (Speedi-Sleeve PN 084956) on Tail Rotor Transmission Output Gearshaft 21 MAY 1983
75K 178 Rework of PN 369A9905-Basic and -3 Ground Handling Wheel Assemblies to Accommodate Installation of New PN 369D26107 Landing Gear Skid Fittings 29 JUN 1982
43K 176 Installation of PN 3569H4237-21 Resistor Board Assembly for Easier Accurate Adjustment of TOT Indicator 01 FEB 1982
149K 166 Installation of Engine Air Inlet Deflector Kit PN M30287-501 21 APR 1981
65K 161 Rework of Static Pressure Tube Installation to Minimize Altimeter Needle Oscillation 08 DEC 1980
153K 160 Relocation of Auto-Re-ignition Controls and Modification of System for Full Time Operation 22 FEB 1983
69K 159 Drain Kit Installation PN 369D28300-501 Engine Oil TanK and Oil Cooler 18 AUG 1980
214K 157 Conversion from Pressure Switch Activated to EPO Activated Auto-re-ignition Sys. 01 AUG 1980
73K 154 Rework of One-Way Lock Assembly PN 369A7010 Series 02 JUN 1980
97K 151 Installation of Cabin Heat Duct (Fiberglass) Assemblies PN 369D22099-101 15 JAN 1980
926K 143 Rework of Ground Handling Wheel Assemblies (Float Type) 20 AUG 1979
1162K 141.1 Installation of Voltage Transient Suppressors 26 NOV 1979
1033K 137 Replacement of Radio Transmit/Intercom Trigger Switch; - Rework of Cycle Stick Grip Assembly 10 MAY 1979
65K 135 Field Repair - Trim Tab, Main Rotor Blade PN 369A1100 Series 16 APR 1979
51K 132 Field Repair - Cyclic Trim Actuator Assemblies PN 369A7170 and 369A7171 Series 29 JAN 1979
200K 129.1 Installation of Anti-Ice Fuel Filter PN 369H90022-501 24 NOV 1980
70K 127 Field Inspection and Corrosion Repair - Main Rotor Drive Shaft PN 369A5500 05 JUL 1978
64K 125 Replacement of Plenum Wall Fittings - Torque Pressure Gage Tubing and Engine Oil Pressure Gage Tubing 06 JUN 1978
72K 123 Installation - Tail Rotor Pitch Control Links PN 369A1907-5 03 APR 1978
66K 122 Removal of Capacitor - Voltage Regulator, AAE or LSI Model VR204 Installation of Varistor - Landing Light Relay PN 369A4558 or MS24166D1 06 FEB 1978
68K 120 Installation of Auxiliary Drain Valve, Fuel System Installation PN 369H92255 Drain Kit 03 OCT 1977
35K 119 Door Latch Synchronization Check - Pilot’s and Cargo Doors, Autolatching Mechanisms 12 SEP 1977
105K 113 Tachometer Generator Assembly - Modification Kit PN M50049 24 DEC 1976
61K 112 Field Fix for Main Rotor Swashplate Uniball 24 DEC 1976
83K 104 Modification Kit PN M50455 - Fan Assembly, Engine Oil and Compartment Cooling 05 NOV 1976
997K 94 Removal of Inboard Tab - Main Rotor Blade PN 369A1100-501 01 APR 1976
1416K 93 Operational Check and Adjustment of Autolatching Mechanism - Pilot and Cargo Doors 11 MAR 1976
706K 92 Field Maintenance - Main Rotor Damper Assembly PN 369A1400-603 to -605 Configuration 01 MAR 1976
982K 90 Field Modification - Door Latch Kit PN M50440 11 DEC 1975
1092K 89 Modification - Tank Unit Fuel Quantity Rheostat PN 369A4225-501 (Kit PN M50047) 07 NOV 1975
578K 85.1 Relocation - Fuel Filter Pressure Switch PN 369H8144 20 JUN 1975
963K 84 Inspection - Hinges PN 369A8437; Engine Air Filter Bypass Door 05 MAY 1975
1122K 81 Modification - Fuel Cell Vent System Installation (Modification Kit PN M50042) 02 JAN 1975
1092K 80 Bendix Service Bulletin No. 109, Dated 10-22-74 Inspection, Flexible Coupling Locknut 18 NOV 1974
1208K 77 Relocation - Magnetic Compass PN 369H4508 30 SEP 1982
1308K 72 Emergency Release Mechanism Modification (M50041), Cargo Hook Kit Installation (369H90065) 05 AUG 1974
699K 71 Noise Filter Installation - Modification Kit PN M50039 05 AUG 1974
1083K 70 Installation - Fuel Shutoff Valve Control PN 369A8136-503 or -701 05 AUG 1974
1098K 69 Installation of Heater System Muffler Assembly 10 JUN 1974
936K 67 Corrosion Prevention/Inspection - Main Rotor Blade PN 369A1100-501 15 APR 1974
814K 64 Sealing Skid Mounted Position Lights PN 369H4534-21 and -22 03 MAR 1974
882K 58 Installation of SCR Assembly - Auto-Re-ignition Modification Kit PN M50036 29 MAY 1973
1519K 57 Engine Anti-Icing and Cabin Heating System Installations - Conversion from Electrical to Manual Operation 01 MAY 1973
769K 55 Valve Housing Modification - Heat Control Valve Assembly, Cabin Heating System Kit Installation 01 MAR 1973
63K 51 Rework - PN 369H2048 Door Latching System (Autolatching) 24 JUL 1972
122K 49 Relocation of Engine Fuel Supply Hose 01 MAY 1972
86K 42 Shock-Mounted Vertical-to-Horizontal Stabilizer Strut Assembly 17 DEC 1971
85K 39 Provision for Drainage of Water Entrapment Areas 23 AUG 1971
69K 35 Modification Kit PN M50436 - Engine-Out Warning Horn Support 18 MAY 1971
138K 30 Modification Kit PN 50023 - Heat Control Valve Assembly 21 DEC 1970
76K 17 Installation - Dual Bolt, Lower Vertical Stabilizer 21 APR 1970
MD Explorer MD 600N MD 520N MD 530F MD 500E