GENERAL AEROSPACE
Boeing 737-300
MAINTENANCE MANUAL
EFFECTIVITY
PW245
34-53-00GA
DRAWING # GA-BC17-ATC-MM
Page 103
Use and disclosure shall be in accordance with the proprietary legend located on the cover of this document
AUG 15/10
From previous page
YES
System is operational
If the system test failed REC
SENS,
TRANSPONDER
FREQ, or SLS test, replace the
transponder
(Ref
34-53-
21/401) and do the system test
again. Is the test OK?
NO
Examine the ATC antenna
cable. Repair or replace as
necessary (Ref 34-53-11/401)
YES
System is operational
If the system test failed CODE
test, replace the transponder
(Ref 34-53-21/401) and do the
system test again. Is the test
OK?
NO
Replace the ATC Control
Panel (Ref 34-53-31/401)
YES
System is operational
Do the system test (Ref 34-53-
02 Adjustment/Test).
If the system test failed ALT
RPTG test, make sure air data
computer(s)
is
(are)
operational (Ref 34-12-01/501)
and do the ALT RPTG test
again. Is the test OK?
NO
Replace the ATC transponder
(Ref 34-53-21/401) and do the
required test.
Trouble shooting diagram for ATC Transponder No.1
Figure 101 (Sheet 2).