(c)  
If you find oil leaks, do what is necessary to correct the leak and put the airplane back to its usual condition.

 (d)  
Do a check of the oil system again to check for leaks.

 (e)  
If you do not find oil leaks, do the 1.3 EPR power or TAKE-OFF power procedure.

 F.
Optional test procedure at 1.3 EPR power.

 NOTE: This test is not necessary if you find leaks by the idle
____
 procedure.

 S 416-054-N00
 WARNING: OBEY THE INSTRUCTIONS IN THE PROCEDURE TO CLOSE THE THRUST
_______ REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
 (1)  
Close the thrust reversers (AMM 78-31-00/201).

 S 416-055-N00

 (2)  
Close the core cowl panels (AMM 71-11-06/201).

 (3)  
Close the fan cowl panels (AMM 71-11-04/201).

 S 416-057-N00

 (4)  
Do the activation procedure for the thrust reversers
 (AMM 78-31-00/201).

 S 416-056-N00
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
 79-00-00
 ALL  ú ú N01 Page 608 ú Oct 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
S 866-058-N00
 WARNING:_______USE AMM 71-00-00/201 TO OPERATE THE POWER PLANT. IF YOU DO NOT USE THIS PROCEDURE, YOU CAN CAUSE DAMAGE TO EQUIPMENT OR INJURY TO PERSONS.
 (5)  Use the Power Plant Operation (Normal) procedure to start the engine (AMM 71-00-00/201).
 (a)  
Set the thrust lever to the idle position.
 1) Operate the engine at idle for five minutes.

 (b)  
Make sure the engine parameters are within the operating limits (AMM 71-00-00/201).

 (c)  
Set the thrust lever to 1.3 EPR.
 1) Stay at 1.3 EPR for one minute.

 NOTE: It is possibly necessary to operate the engine at
____ 1.3 EPR power for more time to make sure the area around the leak is wet. But, keep the operation time to a minimum to prevent too much leakage.
 S 866-032-N00
 (6)  Use the Power Plant Operation (Normal) procedure to do the engine shutdown (AMM 71-00-00/201).
 S 046-034-N00
 WARNING: DO THE THRUST REVERSER DEACTIVATION PROCEDURE TO PREVENT THE
_______ OPERATION OF THE THRUST REVERSER. THE ACCIDENTAL OPERATION OF THE THRUST REVERSER CAN CAUSE INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT.
 (7)  Do this procedure: Thrust Reverser Deactivation for Ground Maintenance (AMM 78-31-00/201).
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
 79-00-00
 ALL  ú ú N01 Page 609 ú Feb 10/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
S 016-033-N00
 (8)  
Open the fan cowl panels (AMM 71-11-04/201).
 S 016-035-N00

 (9)  
Open the core cowl panels (AMM 71-11-06/201).

 S 016-036-N00 WARNING: OBEY THE INSTRUCTIONS IN AMM 78-31-00 WHEN YOU OPEN THE THRUST
_______ REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
 (10)
 Open the thrust reversers (AMM 78-31-00/201).
 S 216-037-N00

 (11)
 Examine the engine for the location of leaks (Engine Check 13, FIM 71-08-00/101).

 NOTE: The location of the leak will show by the red dye on the
____
 external part of the component.

 (a)  
Examine the seal drains for signs of the red dye.

 (b)  
If you find oil leaks, do what is necessary to correct the leak and put the airplane back to its usual condition.

 (c)  
Do a check of the oil system again to check for leaks.

 G.  
Optional test procedure at TAKE-OFF power. NOTE: This test is not necessary if you find leaks by the idle or 1.3

____
 EPR procedure.

 S 416-058-N00 WARNING: OBEY THE INSTRUCTIONS IN THE PROCEDURE TO CLOSE THE THRUST
_______ REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
　
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