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SELECT p.page, p.text_source, p.text, f.rights_holder, f.license FROM 'https://openairdocs.org/data/latest/service_document_file_page.parquet' p JOIN 'https://openairdocs.org/data/latest/service_document_file.parquet' f USING (file_sha256) WHERE p.file_sha256 = '3e6e87fcfd8a54f3ce02347aaedf483c1c6dc7dc7817849f7a4a955abeff8560' ORDER BY p.page
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BOEING SERVICE BULLETIN 747-53A2854
ALERT ALERT
EDGE OF INTERNAL 1 CHEM-MILLED STEP
IN OVERLAPPING SKIN
3.01 - S-12L
OVERLAPPING SKIN
OVERLAPPED
TYPICAL SKIN
EDGE OF INTERNAL
CHEM-MILLED STEP
IN OVERLAPPING SKIN
2.90
2.78 - S-46L
OVERLAPPING SKIN
FWD OVERLAPPED
TYPICAL SKIN G 2148076 FIGURE 1: SKIN INSPECTION IN SECTION 42, 44 AND 46 (SHEET 7 OF 11) Original Issue: September 17, 2012 PROPRIETARY - Copyright © Unpublished Export Controlled ECCN: 9E991 - BOEING 747-53A2854 Work - See page 1 for details. 25 of 33
BOEING SERVICE BULLETIN 747-53A2854
ALERT ALERT
EDGE OF INTERNAL
1) CHEM-MILLED STEP
IN OVERLAPPING SKIN
3.20
3.10 - S-34R
• 0
OVERLAPPING SKIN
OVERLAPPED SKIN
TYPICAL
CHEM-MILLED ' STEP
OVERLAPPED SKIN
OVERLAPPING SKIN A-A 2148142 FIGURE 1: SKIN INSPECTION IN SECTION 42, 44 AND 46 (SHEET 8 OF 11) Original Issue: September 17, 2012 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished 747-53A2854 Work - See page 1 for details. 26 of 33
BOEING SERVICE BULLETIN 747-53A2854
ALERT ALERT EDGE OF FORWARD CARGO DOOR CUTOUT S-33R OVERLAPPED OVERLAPPED
SKIN CHEM-MILLED SKIN STEP
EDGE OF INTERNAL CHEM-MILLED STEP IN OVERLAPPING OVERLAPPING SKIN OVERLAPPING - SKIN
2.96 2.86 RIGHT SIDE ONLY OVERLAPPING SKIN VIS 08L
6.15 7.15 FWD 2147505 FIGURE 1: SKIN INSPECTION IN SECTION 42, 44 AND 46 (SHEET 9 OF 11) Original Issue: September 17, 2012 PROPRIETARY - Copyright © Unpublished Export Controlled ECCN: 9E991 - BOEING 747-53A2854 Work - See page 1 for details. 27 of 33
BOEING SERVICE BULLETIN 747-53A2854
ALERT ALERT
EDGE OF INTERNAL
1) CHEM-MILLED STEP
IN OVERLAPPING SKIN
2.90
2.80 - S-12L
OVERLAPPING SKIN
OVERLAPPED SKIN
TYPICAL
CHEM-MILLED ' STEP
OVERLAPPED SKIN
OVERLAPPING SKIN C-C FIGURE 1: SKIN INSPECTION IN SECTION 42, 44 AND 46 (SHEET 10 OF 11) Original Issue: September 17, 2012 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished 747-53A2854 Work - See page 1 for details. 28 of 33
The step number shown below agrees with the number shown in the circle symbols in the figure.
More DataQtyIdentificationNameTaskStep Do external sliding probe eddy current inspections of the skin for cracks just above the upper row of fasteners in the affected lap joint in accordance with 747 NDT Part 6, 53-30-
25.
--SkinInspect1 FIGURE 1: SKIN INSPECTION IN SECTION 42, 44 AND 46 (SHEET 11 OF 11) Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: September 17, 2012 747-53A2854 29 of 33 BOEING SERVICE BULLETIN 747-53A2854
ALERTALERT
BOEING SERVICE BULLETIN 747-53A2854
ALERT ALERT This Figure applies only to: Group 2.
STA STA STA STA 135 520 740 880 1000 STA 1220 STA 1350 STA
- S-4L
- S-12L 0000000
LEFT SIDE
STA STA STA STA STA STA STA 1000 880 740 520 135 1350 1220 S-4R - S-12R • 0000000 0 0
RIGHT SIDE 2148160 FIGURE 2: SKIN INSPECTION IN SECTION 42 (SHEET 1 OF 4) Original Issue: September 17, 2012 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright @ Unpublished Work - See page 1 for details. 30 of 33
FIGURE 2: SKIN INSPECTION IN SECTION 42 (SHEET 2 OF 4) Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: September 17, 2012 747-53A2854 31 of 33 BOEING SERVICE BULLETIN 747-53A2854
ALERTALERT
BOEING SERVICE BULLETIN 747-53A2854
ALERT ALERT
EDGE OF INTERNAL 1 CHEM-MILLED STEP
IN OVERLAPPING SKIN
3.27
3.17 - S-12L
OVERLAPPING SKIN FWD
OVERLAPPED
TYPICAL SKIN B
CHEM-MILLED STEP
- OVERLAPPED SKIN OVERLAPPING • SKIN A-A FIGURE 2: SKIN INSPECTION IN SECTION 42 (SHEET 3 OF 4) Original Issue: September 17, 2012 Export Controlled ECCN: 9E991 - BOEING 747-53A2854 PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. 32 of 33
The step number shown below agrees with the number shown in the circle symbols in the figure.
More DataQtyIdentificationNameTaskStep Do external sliding probe eddy current inspections of the skin for cracks just above the upper row of fasteners in the affected lap joint in accordance with 747 NDT Part 6, 53-30-
25.
--SkinInspect1 FIGURE 2: SKIN INSPECTION IN SECTION 42 (SHEET 4 OF 4) Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: September 17, 2012 747-53A2854 33 of 33 BOEING SERVICE BULLETIN 747-53A2854