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trailing edge are not out of tolerance.
1) At the support beams for the aileron balance panel, make sure the clearance is 0.350-
0.500 inch (8.89-12.7 millimeters).
2) At the blade seals, make sure the clearance is 0.010-0.050 inch (0.25-1.27 milliters).
(b) Make sure the mismatch for the upper and lower surfaces of the aileron and the fixed
trailing edge are not out of tolerance.
1) For the aileron outside of the wing contour, make sure the maximum mismatch is 0.100
inch (2.54 millimeters).
2) For the aileron inside of the wing contour, make sure the maximum mismatch is 0.050
inch (1.27 millimeters).
(c) Make sure the clearance at the inboard end of the aileron is 0.100-0.200 inch (2.54-5.08
millimeters).
(d) Make sure the clearance at the outboard end of the aileron is 0.250-0.350 inch (6.35-8.89
millimeters).
(e) Make sure the aileron balance tab aligns with the aileron:
1) Measure the distance between the rig position of the aileron balance tab [1] to the
aileron lower surface (dimension A) at these three positions Figure 27-11-00-990-805.
NOTE: You must measure from the lower aft most point of the aileron balance tab [2].
a) At the outboard end of the aileron balance tab, make sure the dimension A is 0.06
±0.07 inch (1.5 ±1.8 millimeters) or 0.82 ±0.25 degrees.
b) At the middle point along the aileron balance tab, make sure the dimension A is
0.065 ±0.070 inch (1.7 ±1.8 millimeters) or 0.60 ±0.25 degrees.
c) At the inboard end of the aileron balance tab, make sure the dimension A is 0.07
±0.07 inch (1.8 ±1.8 millimeters) or 0.34 ±0.25 degrees.
2) If the aileron balance tab does not align with the aileron, do this task: Aileron Balance
Tab Adjustment, TASK 27-11-00-820-803.
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SUBTASK 27-11-11-710-001
(12) Do this task: Aileron Response (Operational) Test, TASK 27-11-00-710-801.
H. Put the Airplane Back to Its Usual Condition
SUBTASK 27-11-11-410-001
(1) Install these aileron access panels found on the lower wing surface adjacent to the leading edge
of the aileron:
(a) For the left wing, close these access panels:
Number Name/Location
572AB Lower Aileron, Hinge Cover - WBL 423.00
572CB Lower Aileron, Hinge Cover - WBL 447.00
572DB Lower Aileron, Hinge Cover - WBL 469.00
572FB Lower Aileron, Hinge Cover - WBL 502.00
572GB Lower Aileron, Hinge Cover - WBL 528.00
572HB Lower Aileron, Hinge Cover - WBL 553.00
(b) For the right wing, close these access panels:
Number Name/Location
672AB Lower Aileron, Hinge Cover - WBL 423.00
672CB Lower Aileron, Hinge Cover - WBL 447.00
672DB Lower Aileron, Hinge Cover - WBL 469.00
672FB Lower Aileron, Hinge Cover - WBL 502.00
672GB Lower Aileron, Hinge Cover - WBL 528.00
672HB Lower Aileron, Hinge Cover - WBL 553.00
SUBTASK 27-11-11-410-002
(2) Install these access panels found on the lower panel of the outboard fixed trailing edge.
(a) On the left wing, close these access panels:
Number Name/Location
571BB Lower Outboard Fixed Trailing Edge Access Panel
571CB Lower Outboard Fixed Trailing Edge Access Panel
571DB Lower Outboard Fixed Trailing Edge Access Panel
(b) On the right wing, close these access panels:
Number Name/Location
671BB Lower Outboard Fixed Trailing Edge Access Panel
671CB Lower Outboard Fixed Trailing Edge Access Panel
671DB Lower Outboard Fixed Trailing Edge Access Panel
SUBTASK 27-11-11-860-002
(3) Do this task: Put the Aileron Hydraulic Systems A and B Back to the Condition Before
Pressure Removal, TASK 27-11-00-860-802.
SUBTASK 27-11-11-720-002
(4) If necessary, do this task: Flight Test to Find and Correct Asymmetrical Flight Control Forces ,
TASK 27-11-00-750-801.
(a) A flight test is necessary if the aileron you installed was not the one that you removed.
(b) A flight test is necessary if the aileron you installed was rebalanced.
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(c) If you removed and installed the same aileron, and no balance changes were made, a flight
test is not necessary.
------------------------- END OF TASK ---------------------------
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