Air Comm Systems, Inc.
Page 8
ACS 179A Installation and Operations Manual
Instruction for Continued Airworthiness
Instruction for continued airworthiness for Intercom Expansion Unit Model ACS-179A, Drawing No.
3000-000, PMA Approval No. PQ2074NM.
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GENERAL DESCRIPTION:
The ACS-179A Expansion Unit is a remote Dzus mounted unit which is slaved to a variety of audio
mixer panels to provide intercom and transmit capability to cabin passengers.
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PURPOSE:
To provide instructions for the maintenance and inspection of the Air Comm Systems, Inc. Model
ACS-179A Intercom Expansion Unit.
This Manual provides instructions supplementing the aircraft maintenance manual. These
instructions only supersede the aircraft manual in the indicated areas.
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OPERATIONAL CHECK:
The ACS 179A Intercom Expansion Unit should be checked prior to first flight each day per current
operations manual.
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MAINTENANCE:
Check security and condition of Dzus mounted panel(s), check associated wiring harnesses at
periodic inspections such as annual/100 hour IAW FAR43 Appendix D(i).
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On Condition:
Send ACS 179A Intercom Expansion Unit to a qualified repair facility for any repairs. Contact Air
Comm Systems, Inc. Phone 909-0824-8860 or FAX 909-824-8862 for nearest factory authorized
repair facility.
