(2) Inspect the strut at the bottom of the exhaust nozzle. If any signs of leakage are found, inspect the LPT oil supply and scavenge tubes (Ref. TASK 79-00-00-210-003).
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D. Inspection of the centerbody, aft sump area and core exhaust nozzle.
(1) Inspect the centerbody, aft sump area and core exhaust nozzle: oil puddling on the aft sump rear cover, lower area of the center body and core exhaust nozzle must be considered as normal as long as the oil consumption rate is within serviceable limits and the leakage rate from the aft sump flooding drain is within serviceable limits (Ref. AMM TASK 71-00-00-790-002).
5. Close-up
________
Subtask 79-00-00-869-052
A. Make sure that the work area is clean and clear of tool(s) and other items.
Subtask 79-00-00-942-052
B. Remove the warning notice(s).
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Visual Inspection of the Oil System
1. Reason for the Job
__________________
To make sure that the oil system is serviceable, and do a check for leakage, staining or wetting:
- Leakage is the collection of liquid into a droplet, or the expectancy of a droplet formation in less than 15 minutes minimum running time.
- Wetting is a condition where small area around a connection is moist. The area does not grow with running, with 10 minutes minimum running time at idle or above.
- Staining is a discoloration. It most commonly occurs by baking residue oil or grease after high temperature operation.
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific warning notice
No specific access platform 1 m (3 ft. 3 in.)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R R Material No. Material No. CP1039 CP2010
Material No. CP2011
R R R R R R R R R R Material No. Material No. Material No. Material No. Material No. CP2559 CP2560 CP2566 CP2584 CP2656
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*
acetone (Ref. 70-30-00)
*
white spirit (Ref. 70-30-00)
*
stoddart solvent (Ref. 70-30-00)
*
ardrox 552 (Ref. 70-30-00)
*
turco ind 79 (Ref. 70-30-00)
*
mag-chem teksol (Ref. 70-30-00)
*
degreasol 99 R (Ref. 70-30-00)
*
mag-chem skysol (Ref. 70-30-00)
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C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
71-00-00-710-008 Power Assurance Check 71-13-00-010-040 Opening of the Fan Cowl Doors 71-13-00-410-040 Closing of the Fan Cowl Doors 78-30-00-081-041 Make the Thrust Reverser Serviceable after
Maintenance 78-30-00-481-041 Make the Thrust Reverser Unserviceable for
Maintenance 78-36-00-010-040 Opening of the Thrust Reverser Doors 78-36-00-410-040 Closing of the Thrust Reverser Doors
3. Job Set-up
__________
Subtask 79-00-00-941-054
A. Safety Precautions
(1) On the center pedestal, on the ENG panel 115VU:
(a) Put a warning notice to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a warning notice to tell persons not to energize the FADEC 1(2).
Subtask 79-00-00-010-053
B. Get Access
(1) Open the fan cowls doors: (Ref. TASK 71-13-00-010-040)
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