WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO
_______ INSTALL THE LE FLAP SAFETY LOCKS. THE LE FLAPS CAN MOVE QUICKLY IF YOU DO NOT INSTALL THE SAFETY LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(b)
Do this task: "Extended Leading Edge Flap Deactivation and Safety Lock Installation" (AMM 27-81-00/201).
(c)
Install a DO-NOT-OPERATE tag on the flap control lever.
(d)
Open the applicable circuit breakers and attach DO-NOT-CLOSE tags: 1) P414 Power Distribution Center - Left
a) 414L3 LANDING LT LEFT INBD b) 414L2 LANDING LT RIGHT INBD
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2) P415 Power Distribution Center - Right a) 415L31 LANDING LT LEFT OUTBD b) 415L32 LANDING LT RIGHT OUTBD
S 032-108
(2) Remove the screws that attach the lens assembly to the edge of the wing.
S 032-109
(3) Break the sealant at the slot between the lens assembly and the edge of the wing.
S 022-110
(4) Remove the damaged lens assembly.
S 352-111
(5) Do these steps to make a temporary lens. (a) See Table 206 for the material and the minimum thickness of the temporary lens. ~............................................................
| TABLE 206 | ..............................................................
| MATERIAL | INBOARD | OUTBOARD | | | LENS (INCHES) | LENS (INCHES) | ..............................................................
| 2024-T3 ALUMINUM | 0.071 | 0.080 | | 7075-T6 ALUMINUM | 0.063 | 0.071 | | 17-7PH STEEL | 0.040 | 0.050 | 2..................…..................…......................1
(b) Use the damaged lens and a sheet of mylar to create a template to form the material, trim the material, and determine the fastener locations.
(c) If the minimum thickness is less than 0.080 inches for the temporary lens, make a shim out of the material in the shape of the rim to bring the temporary lens up to contour, 0.113 +/- 0.040 inches.
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(d) Drill countersunk holes in the temporary lens and shim (if necessary), 100 degree head.
(6) S 142-112Clean the used sealant from the edge of the wing (AMM 51-31-01/201).
(7) S 422-113Put the shim (if necessary) and the temporary lens in position on the edge of the wing.
(8) S 432-114Install the screws that attach the temporary lens and shim (if necessary) to the wing.
(9) S 392-115Seal the slot between the temporary lens and the edge of the wing (AMM 51-31-01/201).
S 092-120
WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO REMOVE THE
_______ LE FLAP SAFETY LOCKS. THE LE FLAPS CAN MOVE QUICKLY IF YOU DO NOT DO THE STEPS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(10)
Do this task: "Safety Lock Removal and Leading Edge Flap Activation" (AMM 27-81-00/201).
S 862-121
(11)
Do this task: "Leading Edge Flap Retraction" (AMM 27-81-00/201).
S 862-119
(12)
Remove the DO-NOT-OPERATE tag from the flap control lever.
S 862-122
(13)
Remove electrical power if it is not necessary (AMM 24-22-00/201).
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本文链接地址：747-400 AMM 飞机维护手册 灯 LIGHTS(92)
