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Commercial Airplanes 717 Service Bulletin ALERT Number: 717-53A0036 Original Issue: August 12, 2013 ATA System: 5310 SUBJECT: FUSELAGE - Main Frame - Inspect Overwing Frame for Cracks Export of this technology is controlled under the United States Export Administration Regulations (EAR) (15 CFR 300-774). An export license may be required before it is used for development, production or use by foreign persons from specific countries. The controller of this data has the individual responsibility to abide by all export laws.
9E991ECCN:
BOEING PROPRIETARY, CONFIDENTIAL AND/OR TRADE SECRET Copyright © 2013 Boeing.
Unpublished Work. All Rights Reserved.
Treatment of this document and its content is governed by contract with Boeing. Rights to use this document are licensed on a per aircraft basis and such rights may not be transferable. For more information, contact The Boeing Company.
Boeing, the Boeing signature, the Boeing symbol, 707, 717, 727, 737, 747, 757, 767, 777, 787, Dreamliner, BBJ, DC-8, DC-9, DC-10, KC-10, KC-46, KDC-10, MD-10, MD-11, MD-80, MD-88, MD-90, P-8, Poseidon and Boeing liveries are all trademarks owned by The Boeing Company; and no trademark license is granted in connection with this document unless provided in writing by Boeing.
Original Issue: August 12, 2013 717-53A0036 1 of 33
3.0
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
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Table of Contents
Summary5
1. PLANNING INFORMATION9
A. Effectivity9
1. Airplanes9
2. Spares Affected9
B. Concurrent Requirements ...................................... 1 0 C. Reason ................................................ 1 0 D. Description .............................................. 1 0 E. Compliance .............................................. 1 1 F. Approval ............................................... 1 3 G. Manpower .............................................. 1 4 H. Weight and Balance Changes .................................... 1 5 I. Electrical Load Data ......................................... 1 5 J. References .............................................. 1 5
1. Existing Data: ......................................... 1 5
2. Data Supplied with this Service Bulletin: ........................... 1 5
3. Installation Drawings Used in the Preparation of this Service Bulletin: ........... 1 6
4. Process Data: ......................................... 1 6 K. Publications Affected ........................................ 1 6 L. Interchangeability and Intermixability of Parts ........................... 1 6 M. Software Accomplishment Summary ................................ 1 6
2. MATERIAL INFORMATION ........................................ 1 7 A. Material - Price and Availability ................................... 1 7 B. Industry Support Information .................................... 1 7 C. Parts Necessary for Each Airplane ................................. 1 7
1. Kits/Parts ............................................ 1 7
2. Parts and Materials Supplied by the Operator ........................ 2 0
3. Parts Modified and Reidentified ................................ 2 1
4. Parts Removed and Not Replaced .............................. 2 1 D. Parts Necessary to Change Spares ................................. 2 1 E. Special Tooling - Price and Availability ............................... 2 1 F. Special Tooling Necessary to do this Service Bulletin ....................... 2 1
3. ACCOMPLISHMENT INSTRUCTIONS .................................. 2 3 A. GENERAL INFORMATION ..................................... 2 3 B. WORK INSTRUCTIONS ....................................... 2 5 FIGURE 1: OVERWING FRAME - GENERAL VISUAL INSPECTION .................. 3 0 FIGURE 2: OVERWING FRAME - EDDY CURRENT HIGH FREQUENCY INSPECTION ....... 3 2 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: August 12, 2013 717-53A0036 3 of 33 BOEING SERVICE BULLETIN 717-53A0036
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Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: August 12, 2013 717-53A0036 4 of 33 BOEING SERVICE BULLETIN 717-53A0036
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Commercial Airplanes 717 Service Bulletin ALERT SummaryNumber: 717-53A0036Original Issue: August 12, 2013 ATA System: 5310 SUBJECT: FUSELAGE - Main Frame - Inspect Overwing Frame for Cracks
THIS BULLETIN IS SENT TO THE OPERATORS OF RECORD OF THE AIRPLANES SHOWN IN PARAGRAPH
1.A., EFFECTIVITY. IF AN AIRPLANE HAS BEEN LEASED OR SOLD, SEND THIS SERVICE BULLETIN TO THE NEW OPERATOR. IF APPLICABLE SPARES HAVE BEEN SOLD, SEND THIS SERVICE BULLETIN TO THE NEW OWNER.
CONCURRENT REQUIREMENTS None.
BACKGROUND Thirteen 717 airplanes have been reported with cracked overwing frames at Stations Y=674.000, Y=696.000 and Y=715.000. The airplanes had between 18,235 - 36,208 flight-hours and 11,991 - 45,091 landing cycles.
These cracked frames were addressed by Boeing Alert Service Bulletin 717-53A0034. Subsequent to the issuance of Boeing Alert Service Bulletin 717-53A0034, one 717 airplane has been reported with a cracked overwing frame, on the right side, at Station Y=737 which has a similar frame design. The airplane had accumulated 31,960 flight-hours and 22,025 landing cycles. The frame crack was found during accomplishment of a scheduled maintenance task that inspects the overwing floor beam-to-frame intersection. The crack, which originated in the upper radius of the frame inboard tab just below the floor, was caused by fatigue. All the noted frames are a part of 717 Principal Structural Element (PSE) 53.30.02.11. Inspection of the overwing frame at Stations Y=737, left and right sides, will determine if cracks exist. Depending on the length of any crack found, Boeing can provide frame repair and/or replacement instructions. If not corrected, an undetected crack may sever the frame, which may increase the loading of adjacent frames and result in damage to adjacent structure and extensive repair, or ultimately could lead to the loss of overall structural integrity of the airplane.
Boeing Fleet Team Digest (FTD) 717 FTD 53-09003 is related to this service bulletin.
ACTION NOTE: Boeing recommends Alert Service Bulletin 717-53A0034, Revision1 be accomplished in conjunction with this service bulletin due to the short compliance time and proximity of the frame inspection area.
This service bulletin gives instructions to do a General Visual Inspection (GVI) and an Eddy Current High Frequency (ETHF) inspection of the overwing frame at Station Y=737, left and right sides. Based on inspection results, do as follows:
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: August 12, 2013 717-53A0036 5 of 33
CONDITION 1: NO CRACK IN FRAME FOUND
1. Do repetitive GVI and ETHF inspections of the overwing frame at Station 737 for cracks at the intervals specified in Paragraph 1.E., Compliance.
CONDITION 2: ANY CRACK IN FRAME FOUND LESS THAN .125 INCH IN LENGTH
1. Option 1: Frame Repair
a. Contact Boeing for repair instructions and do the repair when specified in Paragraph 1.E., Compliance.
b. Do repetitive GVI and ETHF inspections of the repaired overwing frame as recommended by Boeing.
2. Option 2: Frame Replacement
a. Replace the cracked overwing frame when specified in Paragraph 1.E., Compliance.
b. Do repetitive GVI and ETHF inspections of the replaced overwing frame when specified in Paragraph
1.E., Compliance.
CONDITION 3: ANY CRACK FOUND IN FRAME EQUAL TO OR GREATER THAN .125 INCH IN LENGTH
1. Replace the cracked overwing frame when specified in Paragraph 1.E., Compliance.
2. Do repetitive GVI and ETHF inspections of the replaced overwing frame when specified in Paragraph
1.E., Compliance.
EFFECTIVITY All 717-200 Airplane(s). Refer to Paragraph 1.A.1., Airplanes, for the list of affected airplane(s).
COMPLIANCE Refer to Paragraph 1.E., Compliance.
INDUSTRY SUPPORT INFORMATION Boeing warranty remedies are not available for the inspection procedures given in this service bulletin.
MANPOWER Refer to Paragraph 1.G., Manpower.
MATERIAL INFORMATION Boeing Supplied Kits.
Refer to Paragraph 2.A., Material - Price and Availability.
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
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Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: August 12, 2013 717-53A0036 7 of 33 BOEING SERVICE BULLETIN 717-53A0036
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Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: August 12, 2013 717-53A0036 8 of 33 BOEING SERVICE BULLETIN 717-53A0036
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Commercial Airplanes 717 Service Bulletin ALERT Number: 717-53A0036 Original Issue: August 12, 2013 ATA System: 5310 SUBJECT: FUSELAGE - Main Frame - Inspect Overwing Frame for Cracks
THIS BULLETIN IS SENT TO THE OPERATORS OF RECORD OF THE AIRPLANES SHOWN IN PARAGRAPH
1.A., EFFECTIVITY. IF AN AIRPLANE HAS BEEN LEASED OR SOLD, SEND THIS SERVICE BULLETIN TO THE NEW OPERATOR. IF APPLICABLE SPARES HAVE BEEN SOLD, SEND THIS SERVICE BULLETIN TO THE NEW OWNER.
1. PLANNING INFORMATION A. Effectivity
1. Airplanes This service bulletin is for the airplanes shown below.
DESCRIPTIONCONFIGURATIONGROUP 717-200 Airplanes-1 Airplanes Not Initially Inspected in Accordance With Multi Operator Message (MOM) MOM-MOM-13-0375-01B 1 Airplanes Initially Inspected in Accordance With Multi Operator Message (MOM) MOM-MOM-13-0375-01B 2 Airplane Models:
717-200 GroupFuselage Number 15002 - 5099 15100 - 5156
2. Spares Affected None.
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: August 12, 2013 717-53A0036 9 of 33
B. Concurrent Requirements None.
C. Reason Thirteen 717 airplanes have been reported with cracked overwing frames at Stations Y=674.000, Y=696.000 and Y=715.000. The airplanes had between 18,235 - 36,208 flight-hours and 11,991 - 45,091 landing cycles. These cracked frames were addressed by Boeing Alert Service Bulletin 717-53A0034. Subsequent to the issuance of Boeing Alert Service Bulletin 717-53A0034, one 717 airplane has been reported with a cracked overwing frame, on the right side, at Station Y=737 which has a similar frame design. The airplane had accumulated 31,960 flight-hours and 22,025 landing cycles. The frame crack was found during accomplishment of a scheduled maintenance task that inspects the overwing floor beam-to-frame intersection. The crack, which originated in the upper radius of the frame inboard tab just below the floor, was caused by fatigue. All the noted frames are a part of 717 Principal Structural Element (PSE) 53.30.02.11. Inspection of the overwing frame at Stations Y=737, left and right sides, will determine if cracks exist. Depending on the length of any crack found, Boeing can provide frame repair and/or replacement instructions. If not corrected, an undetected crack may sever the frame, which may increase the loading of adjacent frames and result in damage to adjacent structure and extensive repair, or ultimately could lead to the loss of overall structural integrity of the airplane.
Boeing Fleet Team Digest (FTD) 717 FTD 53-09003 is related to this service bulletin.
D. Description NOTE: Boeing recommends Alert Service Bulletin 717-53A0034, Revision1 be accomplished in conjunction with this service bulletin due to the short compliance time and proximity of the frame inspection area.
This service bulletin gives instructions to do a General Visual Inspection (GVI) and an Eddy Current High Frequency (ETHF) inspection of the overwing frame at Station Y=737, left and right sides. Based on inspection results, do as follows:
CONDITION 1: NO CRACK IN FRAME FOUND
1. Do repetitive GVI and ETHF inspections of the overwing frame at Station 737 for cracks at the intervals specified in Paragraph 1.E., Compliance.
CONDITION 2: ANY CRACK IN FRAME FOUND LESS THAN .125 INCH IN LENGTH
1. Option 1: Frame Repair
a. Contact Boeing for repair instructions and do the repair when specified in Paragraph 1.E., Compliance.
b. Do repetitive GVI and ETHF inspections of the repaired overwing frame as recommended by Boeing.
2. Option 2: Frame Replacement
a. Replace the cracked overwing frame when specified in Paragraph 1.E., Compliance.
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: August 12, 2013 717-53A0036 10 of 33 BOEING SERVICE BULLETIN 717-53A0036
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b. Do repetitive GVI and ETHF inspections of the replaced overwing frame when specified in Paragraph 1.E., Compliance.
CONDITION 3: ANY CRACK FOUND IN FRAME EQUAL TO OR GREATER THAN .125 INCH IN LENGTH
1. Replace the cracked overwing frame when specified in Paragraph 1.E., Compliance.
2. Do repetitive GVI and ETHF inspections of the replaced overwing frame when specified in Paragraph
1.E., Compliance.
The work in this service bulletin is done in the maintenance zone(s) given below.
Affected Maintenance Zones ZoneModel 151, 161717-200 E. Compliance The Federal Aviation Administration (FAA) will possibly release an Airworthiness Directive related to this service bulletin. The Airworthiness Directive will make the compliance tasks and times given in this service bulletin mandatory.
Accomplish the required action(s), based on the applicable condition(s), in Table 1 or Table 2, in accordance with Paragraph 3. Accomplishment Instructions.
When more than one OPTION is given for a CONDITION, do only one of the OPTION numbers. When more than one ACTION is given for a CONDITION number or an OPTION number, do all of the ACTION numbers for that CONDITION number or OPTION number.
Group 1, Configuration 1:
TABLE 1: LEFT AND RIGHT SIDE OVERWING FRAME AT STATION 737 - INSPECTION Repeat Interval (Not to Exceed) Compliance Time (Whichever Occurs Later ) ActionCondition -Within 6000 flight cycles after the original issue date of this service bulletin.
Before 12,000 total flight cycles.
Do a General Visual Inspection and a Eddy Current High Frequency inspection of the left and right side overwing frames at Sta. 737 for cracks.
ALL AIRPLANES 9,300 flight cycles.-Within 9,300 flight cycles after initial inspection.
Do General Visual Inspections and Eddy Current High Frequency inspections of the left and right side overwing frames at Sta. 737 for cracks.
CONDITION 1: NO
CRACK IN FRAME FOUND
(a) Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
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Group 1, Configuration 1:
TABLE 1: LEFT AND RIGHT SIDE OVERWING FRAME AT STATION 737 - INSPECTION Repeat Interval (Not to Exceed) Compliance Time (Whichever Occurs Later ) ActionCondition Repeat inspection of repaired overwing frame as recommended by Boeing.
-Before further flight.
OPTION 1: Contact Boeing for repair instructions and do the repair.
CONDITION 2:
ANY CRACK IN
FRAME FOUND LESS THAN .125
INCH IN LENGTH --Before further flight.
OPTION 2 (ACTION 1):
Replace the cracked overwing frame.
9,300 flight cycles.-Within 12,000 flight cycles after replacement.
OPTION 2 (ACTION 2): Do General Visual Inspections and Eddy Current High Frequency inspections of the replaced overwing frame.
(a) --Before further flight.
(ACTION 1) Replace the cracked overwing frame.
CONDITION 3:
ANY CRACK
FOUND IN FRAME
EQUAL TO OR
GREATER THAN .125 INCH IN LENGTH 9,300 flight cycles.-Within 12,000 flight cycles after replacement.
(ACTION 2) Do General Visual Inspections and Eddy Current High Frequency inspections of the replaced overwing frame.
(a)
(a) If cracks are found during the repetitive inspections, do the work specified in Condition 2 or Condition 3.
Group 1, Configuration 2:
TABLE 2: LEFT AND RIGHT SIDE OVERWING FRAME AT STATION 737 - INSPECTION Repeat Interval (Not to Exceed) Compliance TimeActionCondition --Within 9,300 flight cycles after overwing frame inspection at Sta. 737 or within 12,000 flight cycles after replacement.
Do a General Visual Inspection and a Eddy Current High Frequency inspection of the left and right side overwing frame at Sta. 737 for cracks.
ALL AIRPLANES Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: August 12, 2013 717-53A0036 12 of 33 BOEING SERVICE BULLETIN 717-53A0036