TR DCV 28 VDC not Available on Channel A and B

TASK 73-25-00-810-B44-A
TR DCV 28 VDC not Available on Channel A and B

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
TSM TASK 73-25-00-810-A36-A	TR DCV 28 VDC Not Available on Channel A
TSM TASK 73-25-00-810-A37-A	TR DCV 28 VDC Not Available on Channel B

3. Fault Confirmation
Subtask 73-25-00-710-583-A ** ON A/C NOT FOR ALL

A. Not Applicable

4. Fault Isolation
Subtask 73-25-00-810-467-A ** ON A/C NOT FOR ALL

A. Do the two tasks as follows:
(1) Do the troubleshooting procedure 73-25-00-810-A36 TSM TASK 73-25-00-810-A36-A.
(2) Do the troubleshooting procedure 73-25-00-810-A37 TSM TASK 73-25-00-810-A37-A.

5. Close-up
Subtask 73-25-00-860-189-A ** ON A/C NOT FOR ALL

A. Put the aircraft back to its initial configuration.
(1) Make sure that the work area is clean and clear of tools and other items.

[Rev.8 from Aug 2018] 2026.04.04 04:36:51 UTC