TM 55-1520-240-23-1
EFFECTIVITY
CODE ECP/MWO NO.
TITLE
PRODUCTION
(Serial Number)
RETROFIT
80
Deleted
81
ECP D229
(Pending)
Transmission Bushings
76-18479 and 81-23381
thru 93-00934
MWO 1-1520-240-50-XX
82
ECP D230
Extended Range Fuel System (ERFS
II)
76-18479 and 81-23381
thru 93-00934
MWO 1-1520-240-50-84
83
ECP D227
Upper Swashplate Dust Seal
76-18479 and 81-23381
thru 93-00934
Attrition
84
Deleted
1-6
Change 3