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27-31-00
ALL ú ú 02 Page 572 ú Mar 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
(aa) Push the INIT/REF key. 1) Remove the hydraulic systems A and B.
TASK 27-31-00-735-037
18. Elevator Power Off Flight Test
______________________________
A. General
_______
NOTE: Make sure you satisfy the flight test requirement before a revenue
____ service of the airplane. However, if it is not possible to perform a flight test before revenue service , you can operate the airplane in revenue service for a maximum of 30 days before you successfully complete the flight test, if the speed is limited to 320 knots (0.75 MACH) and the airspeed indicators are placarded: DO NOT EXCEED 320 KNOTS (0.75 MACH). A second flight test is necessary if the pitch up or pitch down trim is more than the limit during the first flight test.
(1) This flight test is necessary after you have completed one of these ú maintenance tasks:
NOTE: A replacement is a new or a different part that was used to
____
replace a part.
(a)
After replacement of an elevator or an elevator tab (or tabs).
(b)
After a replacement or an adjustment of an elevator tab pushrod unless its companion tab pushrod is not removed or adjusted, and the replacement tab pushrod is adjusted correctly.
(c)
After a replacement of the hinge fitting plate (Fig. 512).
(d)
After a replacement of an elevator bearing plate. (Fig. 512)
NOTE: Replacement of elevator hinge bearings does not cause
____ need for a flight test, when you install the original bearing plates in their original location. It is not necessary to do a flight test after maintenance on the number 6 (most outboard) hinge bearing and/or plate.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-31-00
ALL ú ú 02.1 Page 573 ú Jul 12/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
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