4. Procedure
_________ Subtask 21-23-00-865-052
A. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------122VU AIR COND/LAV/GALLEY VENT CTL/EXTRACT FAN/CTL 5HU U21 122VU AIR COND/LAV/GALLEY VENT CTL/EXTRACT FAN/SPLY 6HU U19
5. Close-up
________ Subtask 21-23-00-869-050
A. Cockpit Effects
(1) The message LAV DET may be erroneously displayed on the SD INOP SYS status page.
Subtask 21-23-00-862-053
B. De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
TASK 21-23-00-440-001
Reactivation of the Lavatory/Galley Extraction Fan 1HU
1. Reason for the Job
__________________
Refer to the MMEL TASK: 21-23-01
AIR CONDITIONING
Lavatory and Galley Extraction Fan
(FAA only)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
21-61-00-710-001 Operational Test of the Pack Temperature-Control System 24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power R TSM ATA 21 (for corrective action)
3. Job Set-up
__________
Subtask 21-23-00-861-054
A. Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
4. Procedure
_________
Subtask 21-23-00-865-053
A. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------122VU AIR COND/LAV/GALLEY VENT CTL/EXTRACT FAN/CTL 5HU U21 122VU AIR COND/LAV/GALLEY VENT CTL/EXTRACT FAN/SPLY 6HU U19
Subtask 21-23-00-710-051
B. Do the operational test of the pack temperature-control system (Ref. TASK 21-61-00-710-001)
Subtask 21-23-00-810-050
R C. Do the trouble shooting of the extraction fan 1HU (Ref. TSM ATA 21) and do the applicable corrective maintenance procedure(s).
5. Close-up
________
Subtask 21-23-00-862-054
A. De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
LAVATORY/GALLEY VENTILATION - ADJUSTMENT/TEST
_____________________________________________
TASK 21-23-00-720-001
Functional Test of the Galley/Lavatory Air Extraction Duct
WARNING : MAKE SURE THAT AIR IS NOT SUPPLIED TO THE AIR CONDITIONING SYSTEM
_______
FROM THE MAIN ENGINE, THE APU OR A GROUND SOURCE.
HOT COMPRESSED AIR CAN CAUSE INJURY TO PERSONNEL.
WARNING : MAKE SURE THAT THE FWD AVIONICS ACCESS DOOR 811 IS OPEN. WITH A
_______ WARNING PLACARD ATTACHED TO IT. THE WARNING NOTICE MUST TELL PERSONS NOT TO CLOSE THE DOOR. THIS PREVENTS ACCIDENTAL PRESSURIZATION OF THE AIRCRAFT.
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific silicon tubing, I/D 4.0 mm (0.157 in.), approximate length 2.0 m (6.5 ft.) No specific silicone tubing, I/D 4.0 mm (0.157 in.), approximate length 2.0 m (6.5 ft.) No specific Torque Wrench : range 36.00 to 220.00 lbf.in
(0.40 to 2.60 m.daN)
EMA84 1 MANOMETER
B. Expendable Parts
-------------------------------------------------------------------------------
FIG.ITEM |DESIGNATION |IPC-CSN
-------------------------------------------------------------------------------
2 lock washer 21-23-04 10B-250
R 3 packing 21-23-01 01E-095 3 packing 21-23-01 01J-095
C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied
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