Boeing 747 - Page 6

STANDARD ONLY) (TYP.)
KNIFE CUTS (ST8870-1
SEE DETAIL I
(TYP.)
FOAM TAPE SQUARE
DETAIL I
(BONDED AREA)
POSITION D
X
X
(TYP.)
SQUARE
FOAM TAPE
POSITION E
POSITION C
3
POSITION B
X
X
4
POSITION B
(BONDED AREA)
POSITION A
1 2
XX
A
A
A-A
POSITIONS
D,E
POSITIONS
A,B
C
POSITION
4
3
2
1
ST8870-1 CALIBRATION STANDARD.
AS AN ALTERNATIVE TO THE
IF YOU USE A REFERENCE STANDARD
USE THIS CALIBRATION POSITION
CALIBRATION STANDARD
IF YOU USE THE ST8870-1
USE THIS CALIBRATION POSITION
FOR ZONE 2 INSPECTION
CALIBRATION POSITIONS
FOR ZONE 1 INSPECTION
CALIBRATION POSITIONS
4 62 537
X - WHERE X EQUALS THE TOTAL NUMBER
OF SKIN PLIES
13
7
2134431 S0000460242_V1
Calibration Positions on the Calibration Standard
Figure 2
747
NONDESTRUCTIVE TEST MANUAL
PART 4 57-50-01
Page 6
Nov 15/2015D6-7170
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ALL; 747 AIRPLANES WITH COMPOSITE KRUEGER
FLAPS