Maintenance Application. - TB-1-1520-240-20-1510003

TB 1--1520--240--20--151

9. Procedures/Instructions for Assemblies/Components/Parts in Work or in Stock (at all levels in-

cluding War Reserves). Annotate the serviceability tag with: "CH-47-03-ASAM-01, Engine Drive Shaft, not

complied with". Do not remove original condition tags.

a. Items in Retail Stock -- N/A.

b. Items in Single Stock Fund and in Work (Overhaul/Repair Facility) -- N/A.

c. Depot, unit and other maintenance activity commanders will ensure items listed in paragraph 4 are

not issued until they are in compliance with this message.

d. Items in Wholesale Stock -- N/A.

10. Special Tools and Fixtures Required -- N/A.

11. Supply/Parts (Requisition/Distribution) . -- N/A.

12. Maintenance Application.

a. Category of Maintenance -- AVUM.

b. Estimated Time Required-

(1) Time to complete inspection -- Total of 1 man-hour using 1 person with 0 hours downtown

per end item.

(2) Time for repair/replacement -- N/A.

13. Publication Requirements.

a. References --

(1) AR 95--1

(2) DA PAM 738--751

b. Publication changes -- CH--47D: The following changes shall be made to TM 55-1520-240-23-1. A

copy of this message will be used as authority to implement the change until the official change is received.

(1) Task 1-91, Overhaul and Retirement Schedule, CH--47D Components with Fatigue Lives

Less than 10,000 Hours; the retirement schedule for Engine Drive Shaft, P/N 145D3504-2, shall be changed

to read, "6000 hours (Note H)".

(2) Task 1-91, Overhaul and Retirement Schedule, CH--47D Components with Fatigue Lives

Less Than 10,000 Hours; Add the following to the "Notes" section: "H. The following serial numbered engine

drive shafts (P/N 145D3504--2) have a retirement life of 2000 hours:

A--103, A--107, A--193, A--211, A--230, A--243, A--262, A--276, A--280, A--287, A--309, A--327, a--330, A--352,

A--385, A--453, A--474, A--501, A--504, A--506, A--517, A--526, A--536, A--538, A--571, A--596, A--612, A--617,

A--636, A--638, A--651, A--652, A--675, A--691, A--696, A--704, A--709, A--731, A--741, A--771, A--778, A--792,

A--799, A--908, A--921, A--960, A--1200, A--2343, A--11767BK.

c. Publication changes -- MH--47E: The following changes shall be made to TM 1--1520--252-23-1. A

copy of this message will be used as authority to implement the change until the official change is received.

(1) Task 1-99, Overhaul and Retirement Schedule, MH--47E Components with Fatigue Lives

Less than 10,000 Hours; the retirement schedule for Engine Drive Shaft, P/N 145D3504-2, shall be changed

to read, "6000 hours (Note C & E)".

(2) Task 1-99, Overhaul and Retirement Schedule, MH--47E Components with Fatigue Lives

Less Than 10,000 Hours; Add the following to the "Notes" section: "E. The following serial numbered engine

drive shafts (P/N 145D3504--2) have a retirement life of 2000 hours:

A--103, A--107, A--193, A--211, A--230, A--243, A--262, A--276, A--280, A--287, A--309, A--327, a--330, A--352,

A--385, A--453, A--474, A--501, A--504, A--506, A--517, A--526, A--536, A--538, A--571, A--596, A--611, A--617,

A--636, A--638, A--651, A--652, A--675, A--691, A--696, A--704, A--709, A--731, A--741, A--771, A--778, A--792,

A--799, A--908, A--921, A--960, A--1200, A--2343, A--11767BK.