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This text is OCR from a scan. OCR can misread letters and numbers. © Aviation Partners Boeing. Filed by the FAA in regulations.gov docket FAA-2016-7270; AD 2017-18-16 incorporates this document by reference. Not covered by OpenAirDocs’ CC0 dedication.
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AVIATION PARTNERS BOEING SERVICE BULLETIN 2811 S 102nd Street, Suite 200 Seattle, WA 98168
(206) 830-7699 NUMBER: AP737-27-002 REVISON TRANSMITTAL SHEET Original Issue: March 31, 2015 Revision 4: April 24, 2017 ATA SYSTEM: 2741 SUBJECT: FLIGHT CONTROLS - Horizontal Stabilizer Trim Control System
- Take-Off Nose-Up Trim Limit Correction This revision includes all pages of the service bulletin.
COMPLIANCE INFORMATION RELATED TO THIS REVISION No more work is necessary on airplanes that were changed in accordance with the previous versions of this service bulletin.
REASON FOR REVISION This revision is sent to make the following changes to the service bulletin.
• Page 1: Updated Proprietary Note.
• Page 4: Replaced "that require" with "configure with" two places (ECR-1468).
• Page 4: Deleted "to be replaced" two places (ECR-1468).
• Page 7: Added", replace flight deck control stand pitch light plates, and update FMC software." to Group 1 and 2 description (ECR-1468).
• Page 7: Added ", and update FMC software." To Group 3 description (ECR- 1468).
• Page 13 Pub. Affected: Added D638A001, Aircraft Illustrated Parts Catalog and 34-61-00 to table (ECR-1321).
• Page 16, 22, and 32: Added preferred BMS3-38 and made BMS3-27 alternate CIC (ECR-1427).
• Page 19 Note item 4: Added drawing 65-88700 and reworded for clarity (ECR- 1468).
• Page 21: Added "Condition 1" two places and "Condition 2" one place (ECR- 1468).
• Page 21: Replaced "store" with "keep reusable parts (hardware)" (ECR-1427).
• Page 22: Added "Condition 2" and "if removed in step 10." one place (ECR- 1468).
Original Issue: March 31, 2015 AP737-27-002 Revision 4: April 24, 2017 Page i Aviation Partners Boeing PROPRIETARY
AVIATION PARTNERS BOEING SERVICE BULLETIN 2811 S 102nd Street, Suite 200 Seattle, WA 98168
(206) 830-7699
• Page 32: Was: "Skip steps 9 through 11 and go to step 12"; Is: "Skip steps 10 through 12 and go to step 13" (ECR-1460).
• Page 39 and 40: Replaced "keeping all hardware" with "keep reusable parts (hardware)" two places. Replaced "hardware" with "reusable parts (hardware)" two places (ECR-1427).
• Page 40: Added light plate wire caution (ECR-1427).
• Page 46: Added "or U13" one place (ECR-1468).
• Page 47: Added FMC OPS Version U13 to Table 5 (ECR-1468).
REVISION HISTORY Original Issue: March 31, 2015 Revision 1: August 6, 2015 Revision 2: March 1, 2016 Revision 3: July 19, 2016 Revision 4: April 24, 2017 Original Issue: March 31, 2015 AP737-27-002 Revision 4: April 24, 2017 Page ii Aviation Partners Boeing PROPRIETARY
AVIATION PARTNERS BOEING SERVICE BULLETIN AP737-27-002
APB DOCUMENT FEEDBACK FORM To provide feedback on this document to APB for corrections or improvements, please complete the form below and fax or email to the attention of APB Liaison Engineering at:
Fax: +1 (206) 767-0535 Email: leng@aviationpartners.com Airline Name:
Contact Name:
Phone Number:
Email Address:
Airplane Model-Type:
Document Number:
Document Revision:
Document Title:
Chapter-Section-Subject:
Page:
Page Date:
Description of Change:
(Include additional sheets as required) Attachments:
Original Issue: March 31, 2015 Revision 4: April 24, 2017 AP737-27-002 Page ili Aviation Partners Boeing PROPRIETARY
AVIATION PARTNERS BOEING SERVICE BULLETIN 2811 S 102nd Street, Suite 200 Seattle, WA 98168
(206) 830-7699 NUMBER: AP737-27-002 Original Issue: March 31, 2015 Revision 4: April 24, 2017 ATA SYSTEM: 2741 SUBJECT: - Take-Off Nose-Up Trim Limit Correction FLIGHT CONTROLS - Horizontal Stabilizer Trim Control System
PROPRIETARY NOTICE The data contained hereon and herein is proprietary to Aviation Partners Boeing.
Neither this data nor the data contained herein shall be reproduced, used or disclosed to others without the written authorization of Aviation Partners Boeing.
EXPORT CONTROLLED TECHNOLOGY This document contains information about a technology controlled by the Export Administration Regulations (EAR) (15 CFR 730-774). It has been classified under Export Control Classification Number (ECCN) 9E991 and may not be exported to certain countries without a license. Providing this information to a foreign national - inside or outside the United States - can constitute a prohibited export. Each person handling this document has a legal responsibility to comply with all applicable EAR requirements and should consult with an Export Control Officer before providing it to any foreign national.
Original Issue: March 31, 2015 AP737-27-002 Revision 4: April 24, 2017 Page 1 of 54 Aviation Partners Boeing PROPRIETARY
AVIATION PARTNERS BOEING SERVICE BULLETIN AP737-27-002 Table of Contents SUBJECT Page
1. PLANNING INFORMATION.
A. EFFECTIVITY 4 B. CONCURRENT REQUIREMENTS.. 5 C. REASON. 6 D. DESCRIPTION 7 COMPLIANCE.. 9 F.. APPROVAL. 9 G. WARRANTY INFORMATION.. . 9 MANPOWER. .. 9 WEIGHT AND BALANCE CHANGES.. 11 J. ELECTRICAL LOAD DATA 11 K. REFERENCES. 11 L. PUBLICATIONS AFFECTED . 13 M. INTERCHANGEABILITY AND INTERMIXABILITY OF PARTS. 14 N. SOFTWARE ACCOMPLISHMENT SUMMARY 14
2. MATERIAL INFORMATION 15 A. MATERIAL - PRICE AND AVAILABILITY . 15 B. PARTS NECESSARY TO CHANGE EACH AIRPLANE 15 C.. SPECIAL TOOLING - PRICE AND AVAILABILITY 17 D. SPECIAL TOOLING NECESSARY TO DO THIS SERVICE BULLETIN. . 18
3. ACCOMPLISHMENT INSTRUCTIONS.. • 19 A. GENERAL NOTES..... . 19 B. WORK INSTRUCTIONS... .. 21 Original Issue: March 31, 2015 AP737-27-002 Revision 4: April 24, 2017 Page 2 of 54 Aviation Partners Boeing PROPRIETARY
AVIATION PARTNERS BOEING SERVICE BULLETIN AP737-27-002 List of Tables Title Page Table 1 - Manpower .. 10
Table 2 - Parts Available from APB15
Table 3 - Parts and Material Supplied by the Aircraft Owner/Operator 15 Table 4 - Special Tooling Necessary to Do This Service Bulletin 18 Table 5 - FMC Software Part Number and Compatibility. 47 List of Figures Title Page Figure 1: Areas of Work 8 Figure 2: PART 1 Work Flow 24 Figure 3: Access to Stabilizer Takeoff Warning Switch 25 Figure 4: Stabilizer Takeoff Warning Switch 26 Figure 5: Single Takeoff Warning Switch Relocation with an Existing Hole 27 Figure 6: Single Takeoff Warning Switch Relocation with an Existing Hole - Detail 28 Figure 7: Single Takeoff Warning Switch Relocation with New Holes 29 Figure 8: Single Takeoff Warning Switch Relocation with New Holes- Detail 30 Figure 9: PART 2 Work Flow 34 Figure 10: Double Takeoff Warning Switch Relocation with Existing Holes 35 Figure 11: Double Takeoff Warning Switch Relocation with Existing Holes - Detail 36 Figure 12: Double Takeoff Warning Switch Relocation with New Holes 37 Figure 13: Double Takeoff Warning Switch Relocation with New Holes - Detail 38 Figure 14: Flight deck Control Stand 42 Figure 15: Light Plate Removal 43 Figure 16: Light Plate Installation 44 Figure 17: Light Plate Adjustment 45 Figure 18: Light plate Removal 51 Figure 19: Light Plate Removal 52 Figure 20: Light Plate Hole and Nutplate 53 Figure 21: Light Plate Hole and Nutplate 54 Original Issue: March 31, 2015 AP737-27-002 Revision 4: April 24, 2017 Page 3 of 54 Aviation Partners Boeing PROPRIETARY
AVIATION PARTNERS BOEING SERVICE BULLETIN AP737-27-002
1. PLANNING INFORMATION A. EFFECTIVITY
1. Aircraft Affected All 737-700 and 737-700C (including C-40A) series airplanes with STC installed APB Blended Winglets.
NOTE: 737-700 and 737-700C airplanes with TC installed APB Blended Winglets must be addressed by Boeing service bulletin 737-27A1306.
This service bulletin is effective for the airplanes shown below that have installed APB Blended Winglets in accordance with STC ST00830SE except 737-700 airplane line numbers 384 (YG033) and 3128 (YG124). 737-700 airplane line numbers 384 (YG033) and 3128 (YG124) must be addressed by APB service bulletin AP737-34-005.
This service bulletin effectivity is divided into 3 aircraft Groups according to the relevant configuration and the SB itself is divided into 5 PARTS. The SB PARTS are structured to allow their independent accomplishment.
PART 1 is applicable to Group 1 and Group 3 only.
PART 2 is applicable to Group 2 only.
PART 3 is applicable to Group 1 and Group 2 only.
PART 4 is applicable to Group 1, 2 and 3.
PART 5 is applicable to Group 3 only.
Software updates in PART 4 may be accomplished prior to hardware modifications in PART 1, 2, 3 and 5.
Group 1 aircraft are manufacturing line number 1 through 3099 (not including Group 3 aircraft) configured with a single horizontal stabilizer position limit and warning switch (S132).
Group 2 aircraft are manufacturing line number 3100 and on configured with double horizontal stabilizer position limit and warning switches (S132 and S1184).
Group 3 aircraft are 737-700IGW (BBJ) line number 101 through 684 that have OEM light plates that have not been replaced by APB light plates in accordance with APB service bulletin APB737-27-001.
Original Issue: March 31, 2015 AP737-27-002 Revision 4: April 24, 2017 Page 4 of 54 Aviation Partners Boeing PROPRIETARY
AVIATION PARTNERS BOEING SERVICE BULLETIN AP737-27-002 GROUP Airplane Model Top Collector Winglet Kit Configuration 737-700 737-7000-1, 737-7000-3, 737-7000-5, 737-7003-1, 737-7003-3, 737-7003-7, 1 737-7005-1, 737-7005-3, 737-7006-1, 737-7006-5, 737-0000-1 (Not Including Group 3 aircraft) 737-0100-1, 737-0100-3 737-700C 737-7002-1, 737-7002-5, 737-7004-1 2 737-700 737-7005-3, 737-7005-5 737-700 737-0000-1 Group 3 - Airplane Model: 737-700 IGW (BBJ) that have been included in the effectivity of APB service bulletin AP737-27-001 as follows but have not been modified in accordance with АРВ service bulletin АРВ737-27-001.
Line Customer Serial Number Variable Number 101 YG001 29102 126 YG003 28581 146 YG006 29273 150 YG007 29251 167 YG009 29142 179 YG010 30076 189 YG011 29139 265 YG022 29317 280 YG023 29268 348 YG030 29149 432 YG024 29269 516 YG068 30754 602 YG071 30789 684 YG074 29971
2. Spares Affected None.
B. CONCURRENT REQUIREMENTS None Original Issue: March 31, 2015 AP737-27-002 Revision 4: April 24, 2017 Page 5 of 54 Aviation Partners Boeing PROPRIETARY
AVIATION PARTNERS BOEING SERVICE BULLETIN AP737-27-002 C. REASON
1. Background Recent analysis of the trim control system has shown that the 737-700 with Blended Winglets are not compliant with 14CFR 25.107(e) (4) in worst case conditions. The nose-up pitch trim limit (green band and warning horn) for blended winglet equipped 737-700s is set too far aft.
2. Safety Intent The safety intent of this service bulletin is to correct the nose-up pitch trim limit location, which, if not corrected, could make the airplane uncontrollable during take-off if the flight crew mistrims to the full nose-up position when the aircraft is in an aft-light loading condition at critical flap settings. (14CFR25 requires that the airplane remain controllable in mistrimmed conditions). The incorporation of this service bulletin will ensure that the nose-up pitch trim will be set within safe limits for take-off.
3. Configuration Description This service bulletin gives instructions to replace the control stand stabilizer trim light plates in the flight compartment with one that has smaller greenband limits and to change the location of the nose-up take-off warning limit switches. This service bulletin also gives instructions to install new Flight Management Computer (FMC) Model/Engine Database (MEDB) software, which includes revised take-off settings due to the smaller greenband limits.
Original Issue: March 31, 2015 AP737-27-002 Revision 4: April 24, 2017 Page 6 of 54 Aviation Partners Boeing PROPRIETARY
AVIATION PARTNERS BOEING SERVICE BULLETIN AP737-27-002 D. DESCRIPTION This service bulletin provides instructions to replace flight deck control stand pitch trim light plates, and to relocate the horizontal stabilizer position warning horn switches). This service bulletin also provides instructions for the software changes in the Model/Engine Database (MEDB) portion of Flight Management Computer (FMC).
Group 1:
Relocate a single horizontal stabilizer position limit and warning switch (S132), replace flight deck control stand pitch light plates, and update FMC software.
Group 2:
Relocate double horizontal stabilizer position limit and warning switches (S132 and S1184), replace flight deck control stand pitch light plates, and update FMC software.
Group 3:
Relocate a single horizontal stabilizer position limit and warning switch (S132), replace OEM flight deck control stand pitch light plates, and update FMC software.
The work in this service bulletin is done in the maintenance zone(s) given below.
Affected Maintenance Zones Zone Area 211 Flight Compartment - Left 212 Flight Compartment - Right 311 Area Aft of Pressure Bulkhead - Left 312 Area Aft of Pressure Bulkhead - Right Original Issue: March 31, 2015 Revision 4: April 24, 2017 AP737-27-002 Page 7 of 54 Aviation Partners Boeing PROPRIETARY
AVIATION PARTNERS BOEING SERVICE BULLETIN AP737-27-002
HORIZONTAL STABILIZER
TRIM LIMIT SWITCHES
ACCESS DOOR TO
AFT UNPRESSURIZED COMPARTMENT, 311BL P61 PANEL
COCKPIT CONTROL STAND Figure 1: Areas of Work Original Issue: March 31, 2015 Revision 4: April 24, 2017 AP737-27-002 Page 8 of 54 Aviation Partners Boeing PROPRIETARY
AVIATION PARTNERS BOEING SERVICE BULLETIN AP737-27-002 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.
Aviation Partners Boeing recommends that owners/operators accomplish this modification within 72 months after the issue date of revision 1 of this service bulletin.
F. APPROVAL This service bulletin has been reviewed by the Federal Aviation Administration (FAA). The repairs and modifications contained herein comply with the applicable Federal Aviation Regulations (FAR) and are FAA approved, as well as European Aviation Safety Agency (EASA)/Joint Aviation Authorities (JAA) approved for all EASA/JAA approved airplanes listed in the service bulletin effectivity. This service bulletin and its approval were based on the airplane as modified by APB winglet retrofit in accordance with STC ST00830SE.
If an airplane has any other non-Boeing modification or repair that affects a component or system also affected by this service bulletin, the operator is responsible for obtaining appropriate regulatory agency approval before incorporating this service bulletin.
G. WARRANTY INFORMATION Boeing warranty remedies are available for airplanes with winglets in warranty per the applicable Blended Winglet System Sales Agreement as of June 8, 2015. (Typically within 48 months of the delivery of airplanes with factory installed winglets, or 48 months from the delivery of retrofit winglets). For manhour and material reimbursement for airplanes in warranty as of the foregoing date, send a warranty claim to Boeing Warranty & Product Assurance Contracts.
H. MANPOWER The table below shows an estimate for the man-hours necessary to accomplish this service bulletin for each aircraft. This estimate is for direct labor only, done by experienced personnel. Adjust the estimate with operator man-hour data as necessary. This estimate does not include lost time. These are some examples of lost time:
• Time to adjust to the workplace.
• Time to schedule the work.
• Time to inspect the work.
• Time to cure the materials.
• Time to make the parts.
• Time to find the tools.
Original Issue: March 31, 2015 Revision 4: April 24, 2017 AP737-27-002 Page 9 of 54 Aviation Partners Boeing PROPRIETARY