S 792-185

 (58)
 Pressurize the hydraulic systems and do a check of the system for leaks (AMM 29-11-00/201).

 S 612-186

 (59)
 Service the hydraulic accumulators (AMM 12-15-09/301 and (AMM 12-15-11/301).

 S 832-187

 (60)
 Do a visual inspection of the cable rigging in all of the flight control primary and secondary systems (AMM 20-21-03/601).

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747-400 MAINTENANCE MANUAL
 S 642-188
 (61)
 Lubricate the cables in all of the flight control primary and secondary systems (AMM 12-21-05/301).

 S 712-189

 (62)
 Do an operational check of all of the flight control systems (AMM 27-00-00).

 S 612-190

 (63)
 Recharge the toilet tanks and operate the flush system to make sure it operates correctly (AMM 12-17-01/301).

 S 612-191

 (64)
 Replace the filter cartridges for the potable water if it is installed (AMM 38-11-06/201).

 S 612-251

 (65)
 Disinfect, service, and pressurize the potable water system. (AMM 38-10-00/201, AMM 38-11-06/201, and AMM 12-14-01/301).

 S 212-010

 (66)
 Do a check of all of the galley and lavatory plumbing and drains to release air locks and make sure there are no leaks (AMM 38-10-00/201, AMM 38-11-06/201, and AMM 12-14-01/301).

 S 422-192

 (67)
 If the seats and carpet were removed, install clean seats and carpet if it is necessary (AMM 25-11-01/401, AMM 25-25-01/401 and (AMM 25-27-01/401).

 S 422-195

 (68)
 If the crew and passenger (if applicable) oxygen masks were removed, install clean serviceable masks (AMM 35-21-06/401).

 S 732-196

 (69)
 Do the system test of the emergency light system (AMM 33-51-00/501).

 (a)  If the airplane was parked for less than 7 days, no procedures are neccessary if the emergency light system was completely charged before it was parked and the emergency light system was not operated while the airplane was parked.
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MAINTENANCE MANUAL

 CAUTION:_______ IF POWER HAS NOT BEEN APPLIED TO THE INSTALLED EMERGENCY
 LIGHT SYSTEM WHILE THE AIRPLANE WAS PARKED FOR 6 DAYS OR
 MORE, DO NOT TURN ON ANY ASSEMBLY FOR A MINIMUM OF 16
 HOURS AFTER YOU APPLY POWER TO THE SYSTEM.  DO NOT DO A
 SYSTEM FUNCTIONAL TESTS FOR A MINIMUM OF 20 HOURS AFTER

 YOU APPLY POWER TO THE SYSTEM.
 (b)  If the airplane was parked for more than 6 days, or the emergency light system was not fully charged before the airplane was parked, or the emergency light system was operated while the airplane was parked, charge the emergency light system for a minimum of 20 hours before operation.
 S 112-197
 (70)
 Wash the airplane (AMM 12-25-01/301).

 S 162-198

 (71)
 Make sure the airplane interior is clean (AMM 25-00-00/701).

 S 092-199

 (72)
 Remove the airplane static ground when airplane is prepared to be moved.

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747-400 MAINTENANCE MANUAL
 PARKING (HIGH WIND) - MAINTENANCE PRACTICES
___________________________________________
 1.  General_______
 A.  This procedure contains a task to prepare the airplane to be parked in high wind conditions.
 B.  If it is possible the winds will be more than 100-knots, you should fly the airplane out of the area. If you cannot fly the airplane, this procedure will help prevent damage to the airplane.
　
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