(2)
Open the 7C23 FMCS FMC R circuit breaker on the P7 panel.
(3)
Align the left IRU (AMM 34-21-00/201).
(4)
Set the IRS C mode switch on the MSU to the ATT position.
(5)
Set the IRS R mode switch on the MSU to the OFF position.
S 865-258
S 865-259
S 865-260
S 865-261
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S 735-262
(6) Do a test of the IRS source select switch interface.
(a)
Set the SOURCE SELECT panel as shown in the tables that follow:
(b)
Make sure the PFD shows the correct indication for each of the
switch positions. ~................................................................. | Captain's | | | SOURCE SELECT Panel | | ........................... | | EIU Switch | IRS Switch | Captain's PFD | ................................................................... | | | | | L | L | PITCH, ROLL, HDG INDICATIONS PRESENT | | | | | | L | C | HEADING COMPASS BLANK | | | | | | L | R | ATT FLAG DISPLAYED | | | | | | C | L | PITCH, ROLL, HDG INDICATIONS PRESENT | | | | | | C | C | HEADING COMPASS BLANK | | | | | | C | R | ATT FLAG DISPLAYED | | | | | | R | L | PITCH, ROLL, HDG INDICATIONS PRESENT | | | | | | R | C | HEADING COMPASS BLANK | | | | | | R | R | ATT FLAG DISPLAYED | 2............…............….......................................1
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~................................................................. | First Officer's | | | SOURCE SELECT Panel | | ........................... | | EIU Switch | IRS Switch | First Officer's PFD | ...................................................................
| L | L | PITCH, ROLL, HDG INDICATIONS PRESENT |
| | | |
| L | C | HEADING COMPASS BLANK |
| | | |
| L | R | ATT FLAG DISPLAYED |
| | | |
| C | L | PITCH, ROLL, HDG INDICATIONS PRESENT |
| | | |
| C | C | HEADING COMPASS BLANK |
| | | |
| C | R | ATT FLAG DISPLAYED |
| | | |
| R | L | PITCH, ROLL, HDG INDICATIONS PRESENT |
| | | |
| R | C | HEADING COMPASS BLANK |
| | | |
| R | R | ATT FLAG DISPLAYED |
2............…............….......................................1
S 865-275
(7)
Close the 7C1 FMCS FMC L circuit breaker on the P7 panel.
S 865-276
(8)
Close the 7C23 FMCS FMC R circuit breaker on the P7 panel.
S 865-202
(9)
Set the IRS C mode switch on the MSU to the OFF position.
S 865-203
(10)
Align the center and right IRUs (AMM 34-21-00/201).
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F. Prepare for a Test of the Analog Fault Discrete and of the CMC Interface
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