User's Guide

DRAFT
Page 5-2
17 Mar 2016
23-15-87
© Honeywell International Inc. Do not copy without express permission of Honeywell.
SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
ARINC 781-500 SDU and SCM
A781-500 system installation. For limitations and procedures not contained in this supplement,
consult the basic Airplane Maintenance Manuals.
The inspections and airworthiness limitations specified in this section are FAA approved. This
section specifies the inspections and other maintenance required under sections 433.16 and
91.403 of the Federal Aviation Regulations unless an alternative program has been FAA approved.
B. Electrical and Mechanical Inspection and Check
Periodic inspections of the mechanical and electrical in
terfaces of the A781 system components to
the
aircraft should be completed as defined by the governing airworthiness body (for example,
Transport Canada, the FAA, the EASA).
C. Instructions for Continued Airworthiness
The following paragraphs describe all maintenance requirements and instructions for continued
a
irworthiness of the A781-500 system:
1. This ma
nual contains maintenance information for the and SCM, including system description,
system operation, installation, test, and fault isolation.
2. Add the following information to the illustrated parts catalog for the aircraft:
• All part
numbers referred to in this manual
• All LRUs referred to in this manual.
3. Add all wiring diagram information contained in this manual to the aircraft operator’s
a
ppropriate aircraft Wiring Diagram
Manuals.
4. No additional or routine maintenance is required for the on-condition SDU or SCM.
5. If an SDU or SCM is inoperative, follow the instruc
tions listed in "Repair" on page 5-1.
6. Return
all units to the RC equipment supplier factory for repair. Refer to "Appendix A: Retu
rn
Material Authorization" on page A-1 for detailed removal information and procedures.
7. Install repaired units on the aircraft in accordance with the installation instructions provided in
this manual.
8. Make sure that all repaired units are operating before approving them for return to service,
u
s
in
g th
e
op
er
ationa
l
ve
rification
test
s
a
nd
pr
oced
ur
es
provided in this manual.
9. Enter the approval for return to service in the logbook, as required by section 43.9 of
the FAR.
10. Add the following scheduled maintenance tasks to the aircraft operator’s appropriate aircraft
maintenance program:
(a) Recommended periodic
scheduled servicing tasks: None required.
(b) Recommended periodic inspections: as per the aircraft inspection and maintenance
schedule.
(c) Recommended period
ic scheduled preventative maintenance tests (tests to determine
system condition and/or latent failures): None required.
DRAFT as of
4 Mar 2016