(g)
If FAIL> shows: 1) Push the LSK that is adjacent to FAIL> to see the GROUND TEST MSG pages for the failure. 2) Push the NEXT PAGE key until you find all the GROUND TEST MSG pages. 3) Make a list of all CMCS messages, CMCS message numbers, and ATA numbers that show on the GROUND TEST MSG pages.
4) Go to the CMCS Message Index of the Fault Isolation Manual (FIM) to find the corrective action for each CMCS message.
(h)
Push the LSK that is adjacent to <RETURN to return to the air conditioning GROUND TESTS menu.
S 744-040
(5) Check the PTC-B/ALL PACKS menu:
(a) Push the NEXT PAGE key until you find <PTC-B/ALL PACKS
NOTE: If INHIBITED shows above <PTC-B/ALL PACKS , the test
____
will not operate.
(b)
If INHIBITED shows above <PTC-B/ALL PACKS: 1) Push the LSK that is adjacent to the test prompt. 2) Do the steps shown on the CDU. 3) Push the LSK that is adjacent to <RETURN to show the ground
test menu again.
(c)
Push the LSK that is adjacent to <PTC-B/ALL PACKS
(d)
When the TEST PRECONDITIONS page shows, make sure each instruction on the page is completed. (Push the NEXT PAGE key to see subsequent pages.)
(e)
Push the LSK that is adjacent to START TEST>.
NOTE: IN PROGRESS shows during the test.
____
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(f) When IN PROGRESS goes out of view, look for PASS or FAIL> adjacent to <PTC-B/ALL PACKS
NOTE: If a PASS indication shows, no failures occurred
____
during the test.
(g) If FAIL> shows: 1) Push the LSK that is adjacent to FAIL> to see the GROUND TEST MSG pages for the failure. 2) Push the NEXT PAGE key until you find all the GROUND TEST MSG pages. 3) Make a list of all CMCS messages, CMCS message numbers, and ATA numbers that show on the GROUND TEST MSG pages.
4) Go to the CMCS Message Index of the Fault Isolation Manual (FIM) to find the corrective action for each CMCS message.
E. Put the Airplane Back to its Usual Condition
S 864-027
(1)
Set the GND TESTS switch to the NORM position.
S 414-019
(2)
Do these steps if you installed the aft cabin shutoff valve:
(a)
Install the floor panel.
(b)
Install the cargo handling hardware that you removed.
S 864-020
(3) Do these steps for the forward cabin shutoff valve:
WARNING: YOU MUST CAREFULLY REMOVE THE GROUND LOCKS IN ALL LANDING
_______ GEAR. AN ACCIDENTAL RETRACTION OF THE LANDING GEAR CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(a) Remove the ground locks in all the landing gear. (AMM 09-11-00/201).
WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO
_______ REMOVE THE DOOR LOCKS ON THE LANDING GEAR DOORS. THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT REMOVE THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
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(b)
Do this task: "Removal of the Door Locks on the Wing Landing Gear" (AMM 32-00-30/201).
(c)
Do this task: "Removal of the Door Locks on the Body Landing Gear" (AMM 32-00-30/201).
S 864-021
(4) Remove the electrical power if it is not necessary (AMM 24-22-00/201).
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