BHT-412-MM-2
5-00-00
Page 2 Rev. 26 01 JUN 2018
Export Classification C, ECCN EAR99
TABLE OF CONTENTS (CONT)
Paragraph Chapter/Section Page
Number Title Number Number
5-29 Each 2500 Hours of Main Rotor Blade Operation.......................... 5-00-00 153
5-30 Each 2500 or 3000 Hours of Main Rotor Mast (412-040-366-109
and Subsequent) Operation........................................................... 5-00-00 155
5-31 Each 2500 Hours of Tail Rotor Drive System Operation ............... 5-00-00 159
5-32 Each 3000 Hours of Main Rotor Mast
(412-040-366-103 and -105) Operation ........................................ 5-00-00 169
5-33 Each 3000 Hours of Transmission (412-040-002) Operation ........ 5-00-00 173
5-34 Each 3000 Hours of Transmission (412-040-004) Operation ........ 5-00-00 177
5-35 3600 Hours Total Airframe Time and Each 300 Hours/12 Months
Inspection....................................................................................... 5-00-00 185
CONDITIONAL INSPECTIONS
5-36 Conditional Inspection.................................................................... 5-00-00 187
5-37 After Hard Landing......................................................................... 5-00-00 189
5-38 Sudden Stoppage — Power On or Off .......................................... 5-00-00 195
5-39 After Overspeed............................................................................. 5-00-00 203
5-40 After Overtorque ............................................................................ 5-00-00 207
5-41 After Compressor Stall or Surge.................................................... 5-00-00 213
5-42 After Lightning Strikes.................................................................... 5-00-00 219
5-43 After Engine Combining Gearbox Clutch Non-engagement,
Misengagement, or In-flight Slippage ............................................ 5-00-00 225
COMPONENT OVERHAUL SCHEDULE
5-44 Component Overhaul Schedule..................................................... 5-00-00 233
FIGURES
Figure Page
Number Title Number
5-1 Collective Stick Tube — Part A........................................................................... 59
5-1A Cabin Frame Inspection — Part A ...................................................................... 60
5-2 Collective Stick Tube — Part B........................................................................... 109
5-2A Cabin Frame Inspection — Part B ...................................................................... 110
5-3 Tail Rotor Blade — Special Inspection ............................................................... 121
5-4 Collective Lever — Special Inspection................................................................ 129
5-4A Expandable Blade Bolt — Special Inspection..................................................... 136
5-5 Aft High Crosstube — Special Inspection........................................................... 146
5-6 Fuselage Tailboom Attachment Inspection......................................................... 229
5-7 Spiral Bevel Gear Inspection .............................................................................. 230
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