TM 55-1520-240-23-1
HELICOPTER CONFIGURATION LEGEND
EFFECTIVITY
CODE
ECP/MWO NO.
TITLE
PRODUCTION
(Serial Number)
RETROFIT
1
ECP D003R1
Improved Synch Shaft Vibration
Mount
84-24108 and on
Attrition
2
ECP D010R2C1
Fuel Cell Manifold Control Bracket
82-23389 and on
Attrition
3
ECP D008
Rotor Hub Protective Cover
Enlargement
85-24322 and on
Attrition
4
ECP D018R2
Composite Fuel Pods
84-24162 and on
Attrition
5
ECP D006
Removable Support Structure Pylon
Hyd. Module
81-23385 and on
By Kit all D
6
ECP D037R2
Shorter 114C1014 Yaw Connecting
Link
85-24322 and on
Attrition
7
ECP D034
Pilot and Co-pilot Seat Armor
81-23386 and on
Attrition
8
ECP D042
Redesign Link Assy for Increased
Parked Blade Loads
83-24105 and on
Attrition
9
ECP D048C1
Flare Dispenser Blanket Mod and
Stowage Provision
83-24107 and on
None
10
ECP D061R
Floor Former/Fuselage Bilge Paint
83-24107 and on (Interior)
None
Special Paint for 14 Aircraft
83-24105 thru 83-24118
(Exterior)
11
ECP D065R1
Second Source 114PS494 Fuel
Shutoff Valve (Motorized)
82-23776 and on
Attrition
12
ECP D071
2 inch Dia. Fuel Breakaway Fittings
83-24110 and on
Attrition
13
ECP D074C1
Install Steel Control Rods Aft Pylon
83-24103 and on
81-23381 thru 83-24102 by
Tech Bulletin
14
ECP D015C2
Install Bubble Windows
85-24322 and on
Attrition
15
ECP D051C1
Rainshield Redesign
84-24158 and on
Attrition
16
ECP D075
Heater Modification
85-24322 and on
Attrition
17
ECP D027R1C1
Night Vision Goggles (NVG)
85-24322 and on
MWO 55-1520-240-50-3
18
ECP D036R1
Improved N1 System
85-24322 and on
Attrition
19
ECP D069R4
Ferry Fuel Provisions
90-0180 and on
MWO 55-1520-240-50-6
20
ECP D0064R1
Aft Pylon Work Platform Redesign
85-24322 and on
Attrition
21
ECP D029C1
ILCA Actuator and Manifold Seal
Change
85-24322 and on
Attrition
22
ECP D060R1
Ramp Skin and Ramp End Former
85-24322 and on
Attrition
23
ECP D001R1
Improved N2 Control Box
84-24156 and on
Attrition
24
ECP D056R2
Redesigned Droop Stop Arm to
Increase Clearance With Shroud;
Modify Spring Limiter
85-24322 and on
Contractor Kit
25
ECP D081R2
Radar Altitude Hold/Ground Contact
Annunciator
87-0069 and on
MWO 55-1520-240-55-1
26
ECP D118C1
Improved Heat Resistance of Flight
Control System Bellcranks and
Connecting Rods
85-24353 and on
MWO 55-1520-240-50-38
27
ECP D054R1
Combining Transmission Support
Fitting Redesign
8424154 and on
Attrition
1-3
