Honeywell KMA28 Instructions for Continuing Airworthiness, Instructions for FAA Form

Appendix D- Instructions for FAA Form 337 and Continuing Airworthiness

7.1Instructions for FAA Form 337

One method of airworthiness approval is through an FAA Form 337, Major Repair and Alteration (Air- frame, Powerplant, Propeller, or Appliance) In the case of the KMA 28, you may use the following text as a guide.

Installed audio selector and 6-place intercom, Honeywell KMA 28, part number 066-01176-

(XXXX) in ( location ) at station . Installed per AC43.13-2, Chapter 2, paragraph 23 (In-

strument Panel Mounting). Installed per Honeywell Installation Operators Manual p/n 006-10565- (____), revision (), dated ( ).

This unit is FAA-Approved under TSO C50c for audio amplifiers, TSO C35d for Marker Beacon Receivers, and meets appropriate environmental qualifications outlined in RTCA DO-160B as ap- propriate or this aircraft.

Interface to existing aircraft radios in accordance with installation manual and in compliance with practices listed in AC43.13-2, Chapter 2. All wires are Mil-Spec 22759 or 27500. Connection to aircraft dimmer bus is ____________________. Power is supplied to the unit through a __A cir-

cuit breaker (type and part number), and total electrical load does not exceed	% of the elec-
trical system capacity with the KMA 28 added.

Aircraft equipment list, weights and balance amended. Compass compensation checked. A copy of the operation instructions, contained in Honeywell document 006-10565-(____), revision ( ), dated

( ), is placed in the aircraft records. All work accomplished listed on Work Order .

Instructions for Continuing Airworthiness,

Sample ICA Checklist for KMA28:

Section	Item	Information
1	Introduction	Installation of audio control panel with integrated marker beacon receiver and
		intercommunications system.
2	Description	Installation as described in manufacturer’s installation manual referenced on
		FAA Form 337, including interface with other avionics audio as required.
3	Controls	See installation and operator’s guide referenced on FAA Form 337.
4	Servicing	None Required
5	Maintenance Instructions	On Condition, no special instructions
6	Troubleshooting	In the event of a unit problem, place the unit into “OFF/EMG” mode. This
		allows pilot communications using COM 1. Follow checkout instructions in the
		installation manual referenced on the FAA Form 337. For a specific unit fault,
		contact the manufacturer at 1-800-257-0726 for special instructions.
7	Removal and replacement informa-	Removal: Using a 3/32” Allen-head wrench, carefully unscrew the locking
	tion	screw located in the center of the unit. While turning the wrench CCW, gently
		pull on the EDGES of the bezel until the unit is free from the mounting tray.
		Installation: Engage the locking screw at the back. Turn the locking screw CW,
		while applying slight pressure to the edges of the bezel. Do not over tighten!
8	Diagrams	Not applicable
9	Special Inspection Requirements	Not Applicable
10	Protective Treatments	Not Applicable
11	Structural Data	Not Applicable
12	Special Tools	None
13	Not Applicable	Not Applicable
14	Recommended Overhaul Periods	None
15	Airworthiness Limitations	Not Applicable
16	Revision	To be determined by installer

006-10565-0000 Appendix D Rev. 0, Sept. 2000