TM 55-1520-240-23-1
1-91
OVERHAUL AND RETIREMENT SCHEDULE (Continued)
1-91
OPERATING TIME FOR ROTOR HEAD ASSEMBLIES
Component
Serial Number
Removal Time
(Max Allowable Flt
Hrs-CH-47D)
Forward Rotor Head Assembly 145R2003-1
and -4
A4-34
796
A4-39
807
A4-50
741
A4-67
787
A4-73
782
A4-88
775
A4-92
1185
A4-104
755
A4-106
741
A4-108
1185
A4-139
741
A4-171
741
A4-217
1185
A4-221
741
A4-229
874
A4-243
741
A4-245
781
A4-255
868
A4-285
749
A4-299
762
A4-301
911
A4-303
1185
A4-312
894
A4-336
778
A4-343
837
A4-374
790
A4-378
866
A4-393
815
A4-407
758
A4-428
783
A4-459
846
A4-465
741
A4-504
847
A4-506
741
A4-516
741
A4-565
741
A4-576
741
1-332