(b) If nothing is found:

 - do a check of the flame arrestor for clogging.
 1 If confirmed:
_
 - clean or replace it (Ref. AMM TASK 72-56-00-000-001) and (Ref. AMM TASK 72-56-00-400-001).
 (3) If nothing is found:

 - remove the TBG/AGB drain plug and do a check for abnormal oil quantity.
 (a) If there is more than one quart:
 - do a check for oil scavenge line blockage or replace the lubrication unit (Ref. AMM TASK 79-21-10-000-004) and (Ref. AMM TASK 79-21-10-400-004).

 (4) If nothing is found:

 - do a borescope inspection of the high pressure compressor stage 1 and 2 to see if they are wet with oil (Ref. AMM TASK 72-31-00-290-002),

 - do an inspection of the fan blades and booster stage 1 at 6 o'clock to see if they are wet with oil,

 - do an inspection of the frame struts and aft side of stage 4 low pressure blades to see if they are wet with oil.

 (a) If there is oil:
 - replace the engine (Ref. AMM TASK 71-00-00-000-042) and (Ref. AMM TASK 71-00-00-400-042).
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R  B. If nothing is found: 
R  - Replace the XMTR-OIL PRESS (4003EN) (Ref. AMM TASK 79-33-15-000-041) 
R  and (Ref. AMM TASK 79-33-15-400-041). 
R  (1) If the fault continues: 
R  - do a check of the electrical wiring between the ENG1 OIL PRESS XMTR 
R  (4003EN), the SDAC1 and the SDAC2 (Ref. ASM 79-36/01). 
R  (2) If the fault continues: 
R  - replace the SDAC-1 (1WV1) (Ref. AMM TASK 31-55-34-000-001) and 
R  (Ref. AMM TASK 31-55-34-400-001) 
R  (3) If the fault continues: 
R  - replace the SDAC-2 (1WV2) (Ref. AMM TASK 31-55-34-000-001) and 
R  (Ref. AMM TASK 31-55-34-400-001) 
R
 C. Do a minimum idle check (Ref. AMM TASK 71-00-00-710-006).

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 TASK 79-00-00-810-808
 Failure of the Oil Pressure Indication on Engine 2
 1. Possible Causes
_______________
 - XMTR-OIL PRESS (4003EN) R - SDAC-1 (1WV1) R - SDAC-2 (1WV2)
 - lubrication unit
 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R  AMM 31-55-34-000-001 Removal of the SDAC (1WV1,1WV2)
R  AMM 31-55-34-400-001 Installation of the SDAC (1WV1,1WV2) AMM 71-00-00-000-042 Removal of the Power Plant AMM 71-00-00-400-042 Installation of the Power Plant AMM 71-00-00-710-006 Minimum Idle Check AMM 72-31-00-290-002 Inspection of the High Pressure Compressor Rotor
 Assembly AMM 72-56-00-000-001 Removal of the Flame Arrestor and Flange Assembly AMM 72-56-00-400-001 Installation of the Flame Arrestor and Flange
 Assembly AMM 79-00-00-210-002 Walk-around Inspection AMM 79-00-00-281-002 Check of the Electrical Master Chip Detector for
 Particles AMM 79-00-00-281-003 Check of FWD, AFT Sump, AGB, and TGB scavenge screens AMM 79-21-10-000-004 Removal of the Lubrication Unit AMM 79-21-10-400-004 Installation of the Lubrication Unit AMM 79-33-15-000-041 Removal of the Oil Pressure Transmitter (4003EN) AMM 79-33-15-400-041 Installation of the Oil Pressure Transmitter (4003EN) AMM 79-35-00-040-042 Replacement of the Main Oil Supply Filter and Check
 of the Electrical Chip Detector Visual Indicator (pop-out) R ASM 79-36/01
 3. Fault Confirmation
__________________
 A. Test
 (1) Not applicable.
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 4. Fault Isolation
_______________
 A. Do a visual inspection of the engine to make sure that there are no leaks (Ref. AMM TASK 79-00-00-210-002) .
 (1) Do a check of the electric master magnetic chip detector visual indicator (Ref. AMM TASK 79-35-00-040-042) and the magnetic chip detector (Ref. AMM TASK 79-00-00-281-002) and the scavenge screen plugs (Ref. AMM TASK 79-00-00-281-003).
　
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