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A 737-300/400/500MAINTENANCE MANUAL
 (b)  Make sure the hatch is not blocked.
 (2)  S 715-020-B00Use the internal handle to close the hatch (Ref 52-21-00/001). (a) Use a spring scale to move the handle. (b) Make sure the force that is necessary to move the handle is from 10 to 25 pounds.
 (3)  S 715-021-B00Use the internal handle to open the hatch (Ref 52-21-00/001). (a) Make sure the hatch moves smoothly. (b) Make sure the hatch is not blocked.
 (4)  S 715-022-B00Examine the seal around the edge of the hatch. (a) Look in the clearance between the hatch and the fuselage to see that the seal is satisfactory.

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 52-21-00
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 EMERGENCY EXIT HATCH - INSPECTION/CHECK
_______________________________________
 1.  General_______
 A. This procedure contains a task to examine the emergency exit hatches.
 B. The procedure is the same for each emergency exit hatch.
 TASK 52-21-00-206-008-B00
 2.  Emergency Exit Hatch Check__________________________
 A. References
 (1)  
AMM 52-21-00/401, Emergency Exit Hatch

 (2)  
AMM 52-21-12/401, Emergency Exit Hatch Lining

 (3)  
IPC 52-20-01 Fig 1

 B.
Access

 (1)  
Location Zone
 116 Right Emergency Exit Hatch
 117 Left Emergency Exit Hatch

 (2)  
Access Panel
 2403L Left Emergency Hatch
 2404R Right Emergency Hatch

 C.
Procedure

 S 026-001-B00
 (1)
Remove the emergency exit hatch (hatch) (AMM 52-21-00/401).

 (2)  
Remove the lining of the hatch (AMM 52-21-12/401).

 S 216-006-B00

 (3)  
Visually examine the hatch structure and mechanism.

 (a)  
Examine the external skin.
 1) Look for cracks.
 2) Look for corrosion.
 3) Look for loose fasteners.

 

 S 016-002-B00
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 52-21-00
 ALL  ú ú B03 Page 601 ú Jul 15/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 4) Look for fasteners that are not there.
 (b)  
Examine the internal skin.
 1) Look for cracks.
 2) Look for corrosion.
 3) Look for loose fasteners.
 4) Look for fasteners that are not there.

 (c)  
Examine the internal frames and brackets.
 1) Look for cracks.
 2) Look for corrosion.
 3) Look for loose fasteners.

 (d)  
Examine the handle seal. 1) Look for cracks. 2) Look for holes. 3) Look for tears. 4) Look for indications of deterioration of the seal.

 (e)  
Examine the window.
 1) Look for cracks.

 (f)  
Examine the window frame.
 1) Look for cracks.
 2) Look for corrosion.

 (g)  
Examine the mechanism that operates the hatch.
 1) Look for cracks.
 2) Look for corrosion.
 3) Look for worn areas.
 4) Look for loose fasteners.

 (h)  
Examine the lower pivot fitting and the lower pivot hook. 1) Look for cracks. 2) Look for corrosion.

 (i)  
Examine the latches and the latch rollers. 1) Look for cracks. 2) Look for corrosion. 3) Look for unwanted particles in the latch rollers.

 S 216-009-B00
 (4)  
Visually examine the opening for the hatch.

 (a)  
Examine the stop fittings. 1) Look for cracks. 2) Look for corrosion. 3) Look for unwanted particles attached to the stop fittings.

 (b)  
Examine the structure of the opening.
 1) Look for cracks.
 2) Look for corrosion.
 3) Look for loose fasteners.
 4) Look for fasteners that are not there.
　
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