____
 reverser sleeves.

 (d)  
Make a record of the time for the thrust reverser to retract to the fully stowed position.

 NOTE: The retract time must not be more than 5.0 seconds from
____ the fully deployed to the fully stowed position.
 (e)  Do the steps, which extend and retract the thrust reverser, 10 more times while you examine for signs of unsatisfactory operation (hydraulic leaks, indication malfunctions, etc.).
 S 715-014-N00
 (13) Do the operational test for the other thrust reversers, as it is necessary.
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S 865-015-N00
 (14)
 Remove the hydraulic pressure from the thrust reverser system (AMM 29-11-00/201).

 S 865-016-N00

 (15)
 Put the safety-sensitive systems back to their initial conditions (AMM 32-09-02/201)

 S 865-017-N00

 (16)
 Remove any DO-NOT-CLOSE tags and make sure the applicable circuit breakers are closed:

 (a)  
On the P6 panel:
 1) 6A10 DC 1 DIST-P7
 2) 6A18 DC 2 DIST-P7
 3) 6A28 DC 3 DIST-P7
 4) 6A36 DC 4 DIST-P7
 5) 6C12 ENG 4 T/R IND
 6) 6C13 ENG 4 T/R CONT
 7) 6C11, ENG 4 T/R LOCK CONT
 8) 6D12 ENG 3 T/R IND
 9) 6D13 ENG 3 T/R CONT
 10) 6D11, ENG 3 T/R LOCK CONT
 11) 6E12 ENG 2 T/R IND
 12) 6E13 ENG 2 T/R CONT
 13) 6E11, ENG 2 T/R LOCK CONT
 14) 6F12 ENG 1 T/R IND
 15) 6F13 ENG 1 T/R CONT
 16) 6F11, ENG 1 T/R LOCK CONT

 (b)  
On the P7 panel:
 1) 7F22 LANDING GEAR DSP & CONT PRI
 2) 7F23 LANDING GEAR DSP & CONT ALTN
 3) 7F25 PSEU SECT 1
 4) 7F26 PSEU SECT 2

 (17)
 Remove electrical power if it is not necessary (AMM 24-22-00/201).

 S 865-018-N00
 NOTE: Erase the EICAS maintenance page to prevent incorrect
____
 indications.

 S 865-019-N00
 (18) Put the EEC MAINT ENG X POWER switch on the pilot's maintenance panel, P461, in the NORMAL position.
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
TASK 78-31-00-715-020-N00
 3. Thrust Reverser Operational Test - Engine In Operation
______________________________________________________
 A. References
 (1)  
AMM 71-00-00/201, Power Plant

 B.
Access

 (1)  
Location Zones
 211 and 212 Control Cabin

 C.
Operational Test

 S 865-021-N00
 WARNING: DO NOT OPERATE THE ENGINE IN REVERSE THRUST WITH THE FAN COWL
_______ PANELS OPEN. IF THE FAN COWL PANELS ARE OPEN, DAMAGE TO THE ENGINE, COWLING, AND INJURY TO PERSONS CAN OCCUR.
 (1)  
Make sure the fan cowl panels and core cowl panels are closed and latched.

 S 415-022-N00

 (2)  
Make sure the thrust reverser halves (which includes the louvered exhaust door) are closed and latched.

 S 865-023-N00
 CAUTION: DO NOT OPERATE THE ENGINE IN REVERSE THRUST WHEN THE CASCADE
_______ VANE SEGMENTS MISSING. IF THE ENGINE IS OPERATED WHEN THE CASCADE VANE SEGMENTS ARE MISSING, DAMAGE TO THE THRUST REVERSER STRUCTURE CAN OCCUR.
 (3)  Do not operate the engine in reverse thrust for ground maintenance with the cascade vane segment(s) missing.
 (a) Make sure the cascade vane segments are installed.
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