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3) WINDSHEAR REAC
The WINDSHEAR REAC message indicates that the EGPWS is reporting a system fault that makes the reactive windshear detection and annunciation feature inoperative.
(3) EGPWS Self Test
(a) The EGPWS self test can be started by pressing the PRESS TO SELF TEST switch on the front panel of the EGPWC. Self test can only be performed when the airplane is on the ground.
Self test cycles through the caution and warning modes and the altitude advisory callouts (if selected) and annunciates the flight deck messages, lights and aural warnings, and terrain display test pattern. It is also possible to hear if any EGPWS internal or external faults exist, which options are selected, and the EGPWC configuration data.
The configuration data includes the following information: 1) Part number 965-0976-0XX-YYY-ZZZ 2) Mod Status XXXX 3) Serial Number XXX-XXX 4) Application Software Version XXXX 5) Configuration Software Version XXXX 6) Terrain Database Version XXX 7) Envelope Mod Database Version XXX 8) Boot Code Version XXX 9) Aircraft Type XXX 10) Audio Menu X 11) Altitude Callout Menu XX 12) All other selected options
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(b) There are 6 levels of self test. There are two types of self test cancel to help navigate through the levels of self test. When the front panel self test button is pressed for less than 2 seconds it is called a SHORT CANCEL. When the self test button is pressed for more than 2 seconds it is called a LONG CANCEL. The 6 levels of EGPWS self test are: 1) Level 1 - Go/No Go
This level identifies the functions that are selected and whether they are operational. There is a short level 1 self test and a long level 1 self test.
a) Short Level 1 Self Test
The short level 1 self test is started by pressing the self test button for less than two seconds. The short level 1 self test will indicate the EGPWC modes that are operational and it will indicate the EGPWC modes that are not operational.
b) Long Level 1 Self Test
The long level 1 self test is started by pressing and holding the self test button until the self test voices start. The long level 1 self test performs the short level 1 self test, then announces all of the warning, caution, and altitude callout voices that are configured.
2) Level 2 - Current Faults
This level provides the internal and external faults that the EGPWC currently detects. The level 2 self test is started by pressing the self test button within 3 seconds of the end of the level 1 self test.
3) Level 3 - EGPWS Configuration
This level indicates the current hardware, software, databases, and program pin inputs that the EGPWC detects. The level 3 self test is started by pressing the self test button during the level 2 self test, then pressing it again when the PRESS TO CONTINUE message is heard.
During the level 3 self test, a SHORT CANCEL will start to announce the next level 3 configuration item. A LONG CANCEL will stop the level 3 self test and the PRESS TO CONTINUE message will be heard.
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4) Level 4 - Fault History
This level provides the history of internal and external faults that the EGPWC detected over the last 10 flight legs. The level 4 self test is started by pressing the self test button after the level 3 PRESS TO CONTINUE message is heard.
During a level 4 self test, a SHORT CANCEL will start to announce the faults for the next flight leg. A LONG CANCEL will stop the level 4 self test and the PRESS TO CONTINUE message will be heard.
5) Level 5 - Warning History
This level identifies the warnings and cautions that the EGPWS has provided during the last 10 flight legs. Level 5 self test is started by pressing the self test button after the level 4 PRESS TO CONTINUE message is heard.
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