MWO 55-1520-241-30-2
3. End Item or System to be Modified. The following aircraft will be modified in .accordance with instructions contained
in paragraph 10.
Nomenclature
National Stock Number
Model
Serial Number
Helicopter,
1520-00-633-6836
CH-47A
64-13108 thru 64-13165
Cargo Transport
65-7967 thru 65-8023
66-074 thru 66-124
66-19000 thru 66-19097
Helicopter,
CH-47B
66-19098 thru 66-19141
Cargo Transport
67-18432 thru 67-18492
Helicopter,
CH-47C
67-18494 thru 67-18551
Cargo Transport
68-15811 thru 68-15868
68-15990 thru 68-16021
69-17101 thru 69-17126
70-15000 thru 70-15034
71-20945 thru 71-20955
74-22271 thru 74-22294
76-22673 thru 76-22684
79-23394 thru 79-23401
4. Modules (Components, Assemblies, Subassemblies, Boards and Cards) to be Modified The following items whether
installed or in stock, will be modified. This modification affects aircraft configuration of the overhead panel wiring.
5. Parts to be Modified. Not applicable.
6. Application.
a. Time Compliance Schedule. MWO effective date 1 October 1980 and completion date 31 March 1982.
b. Level of Maintenance. AVIM.
c. Applied By. Aircraft Electrician MOS 68F.
d. Time Required.
(1) Time for completion of MWO application to one end item.
(a) Total of 1.5 hours using a crew of one.
(b) Total of 1.5 hours downtime for one end item.
(2) Time for completion of one assembly or component. Not applicable.
e. MWOs to be Applied Prior to or Concurrently with this MWO. Not applicable.
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