(2) After the subsequent flight, make sure that the fault does not
 continue.

 TASK 38-31-00-810-835

 Vacuum Toilet Assy Failure
 1. Possible Causes
_______________
 - FLUSH CONTROL UNIT
 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 38-31-00-710-009 Operational Test of the Toilet Unit AMM 38-31-00-740-001 BITE Test of the Vacuum Toilet System AMM 38-31-12-000-001 Removal of the Flush Control Unit AMM 38-31-12-400-001 Installation of the Flush Control Unit 38-31-00-991-001-A Fig. 201A
 3. Fault Confirmation
__________________
 A. Do a test of the vacuum toilet system (Ref. AMM TASK 38-31-00-710-009).
 B. Do the procedure to get access to the CFDS SYSTEM REPORT/TEST menu PAGE (Ref. AMM TASK 38-31-00-740-001).
 4. Fault Isolation
_______________
 (Ref. Fig. 201A/TASK 38-31-00-991-001-A)

 A. If the test gives a different maintenance message, you can find the related trouble shooting procedure in the applicable Page Block 101.
 (1) If the LAST/PREVIOUS LEGS Report gives the maintenance message TOILET ASSY LAV X: and The FAP gives the maintenance message SHUT OFF WATER SUPPLY LAV XX:

 (a) go to the TROUBLE SHOOTING DATA page.

 (2) If the TROUBLE SHOOTING DATA page gives the maintenance message FCU WATER VALVE DRIVER:

 - replace the FLUSH CONTROL UNIT, (Ref. AMM TASK 38-31-12-000-001) and (Ref. AMM TASK 38-31-12-400-001).

 B. Test

 (1) Do the test as given in paragraph 3. A. to check the correct operation.

 (2) After the subsequent flight, make sure that the fault does not continue.

 TASK 38-31-00-810-836

 Loss of Data Communication to lav
 1. Possible Causes
_______________
 - AIRCRAFT WIRING

 - DEU-B 300RH

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 23-73-47-000-001 Removal of the Decoder/Encoder Units (DEU) B 300RH AMM 23-73-47-400-001 Installation of the Decoder/Encoder Unit (DEU) B
 300RH
 AMM 38-31-00-710-009 Operational Test of the Toilet Unit
 AMM 38-31-00-740-001 BITE Test of the Vacuum Toilet System
 ASM 38-31/00
 38-31-00-991-001-A Fig. 201A

 3. Fault Confirmation
__________________
 A. Do a test of the vacuum toilet system (Ref. AMM TASK 38-31-00-710-009).
 B. Do the procedure to get access to the CFDS SYSTEM REPORT/TEST menu PAGE (Ref. AMM TASK 38-31-00-740-001).
 4. Fault Isolation
_______________
 (Ref. Fig. 201A/TASK 38-31-00-991-001-A)
 A. If the test gives a different maintenance message, you can find the related trouble shooting procedure in the applicable Page Block 101.
 (1) If the LAST/PREVIOUS LEGS Report gives the maintenance message TOILET ASSY LAV X / DEU-B (FIN): and The FAP gives the maintenance message CHECK LAVATORY - POWER SUPPLY LAV XX:

 (a) go to the TROUBLE SHOOTING DATA page.

 (2) If the TROUBLE SHOOTING DATA page gives the maintenance message FCU / DEU-B (FIN):

 - do a check of the AIRCRAFT WIRING between the DEU-B and the related lavatory and repair if necessary (Ref. ASM 38-31/00).
 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 106-149, 301-399, 401-499, ∞∞38-31-00∞∞∞∞∞∞∞∞∞∞Page 252
 Aug 01/05 CES (a) If the fault continues:

 - replace the related DEU-B 300RH, (Ref. AMM TASK 23-73-47-000-001) and (Ref. AMM TASK 23-73-47-400-001).
 B. Test
 (1) Do the test as given in paragraph 3. A. to check the correct
 operation.

 (2) After the subsequent flight, make sure that the fault does not continue.

 TASK 38-31-00-810-837

 Liquid Level Transmitter Failure
 1. Possible Causes
_______________
 - XMTR-LEVEL (40MG)

 - DECODER/ENCODER UNIT B (300RH7)

 - sense line

 - aircraft wiring

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
　
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