51-31-00
ALL ú ú 02 Page 2 ú Jun 10/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
C26091
A
747-400
MAINTENANCE MANUAL
NO. SEC APL DRAWING NO. DESCRIPTION
41 65B00065 SEAL APPLICATION - FLOORS, SECTION 41
41 65B00052 SEAL APPLICATION - EXTERIOR, SECTION 41
41 65B10410 SEAL APPLICATION - SKIN AREA, SECTION 41
41 65B10411 SEAL APPLICATION - NOSE WHEEL WELL
41 65B10412 SEAL APPLICATION - CAB
41 65B10413 SEAL APPLICATION - STA 140 BULKHEAD
41 65B10414 SEAL APPLICATION - DOORS, SECTION 41
41 65B14868 COLD BOND AREAS, CORROSION RESISTANCE
Seal Index and Requirements Body Section 41
Figure 1 (Sheet 2)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
C26124
A
747-400
MAINTENANCE MANUAL
3-A
SECTION 42
SEALING REQUIREMENTS
PRESSURE SEAL_____________
1-A (INTERMEDIATE) - INSIDE CONTOUR OF AIRPLANE FROM STA 520 TO STA 1000
INCLUDING DOORS
1-B (INTERMEDIATE) - FAIRING ATTACH POINTS TO BODY
LIQUID SEAL___________
2-A (ABSOLUTE) - WATER SERVICE PAN
WEATHER AND AERODYNAMIC SEAL____________________________
3-A (LIMITED OR INTERMEDIATE) - EDGE OF DOOR CUTOUTS, EXTERNAL SKIN GAPS AND SEAMS
Seal Index and Requirements Body Section 42
Figure 2 (Sheet 1)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
51-31-00
ALL ú ú 02 Page 4 ú Jun 10/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
C26135
A
747-400
MAINTENANCE MANUAL
NO. SEC APL DRAWING NO. DESCRIPTION
42 65B04916 SEAL APPLICATION - SECTION 42
42 65B04918 SEAL APPLICATION - BODY-TO-WING FAIRING ATTACHMENT
42 65B04919 SEAL APPLICATION - FORWARD AND AFT CARGO DOORS
42 65B04920 SEAL APPLICATION - EXTERIOR
42 65B38729 SEAL APPLICATION - FLOOR PANELS
Seal Index and Requirements Body Section 42
Figure 2 (Sheet 2)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
C26149
A
747-400
MAINTENANCE MANUAL
STA 1000 2-B
WL 223.4
1-B
1-E
SECTION 44
SEALING REQUIREMENTS
________________PRESSURE SEALING
1-A (INTERMEDIATE) - INSIDE CONTOUR, ABOVE PRESSURE FLOOR AND WING
1-B (INTERMEDIATE) - FORWARD SIDE OF FRONT SPAR PRESSURE BULKHEAD AND FRONT SPAR
1-C (INTERMEDIATE) - WING CENTER SECTION
1-D (INTERMEDIATE) - UPPER SURFACE OF PRESSURE FLOOR
1-E (INTERMEDIATE) - AFT SIDE OF STA 1480 BULKHEAD
1-F (INTERMEDIATE) - INSIDE CONTOUR OF AIRPLANE FROM STA 1000 TO STA 1480 ENTIRE
PERIPHERY OF UPPER SECTION INCLUDING WINDOW FORGINGS
_______________WEATHER SEALING
2-A (INTERMEDIATE) - ALL EXTERNAL GAPS AND NONBONDED SEAMS
AERODYNAMIC SEALING___________________
3-A (LIMITED) - ALL EXTERNAL GAPS INVOLVED IN THE AIRSTREAM NECESSARY TO MEET
AERODYNAMIC REQUIREMENTS
__________________FUEL VAPOR SEALING
5-A (INTERMEDIATE) - AFT SIDE OF VAPOR BULKHEAD
____________________________WEATHER AND AERODYNAMIC SEAL
2-B (LIMITED OR INTERMEDIATE) - EXTERNAL SKIN GAPS AND SEAMS
Seal Index and Requirements Body Section 44
Figure 3 (Sheet 1)
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