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Commercial Airplanes 717 Service Bulletin ALERT Number: 717-30A0009 Original Issue: March 31, 2020 ATA System: 3030 SUBJECT: ICE AND RAIN PROTECTION - Air Data Sensor Heating - Air Data Heat System Wiring Change 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:

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.

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Table of Contents

S u m m a r y5

1. PLANNING INFORMATION9

A . E f f e c t i v i t y9

1. Airplanes9

2 . S p a r e s A f f e c t e d9

B. Concurrent Requirements ...................................... 1 0 C. Reason ................................................ 1 0 D. Description .............................................. 1 0 E. Compliance .............................................. 1 1 F . A p p r o v a l............................................... 1 1 G. Manpower .............................................. 1 1 H. Weight and Balance Changes .................................... 1 1 I. Electrical Load Data ......................................... 1 2 J . R e f e r e n c e s .............................................. 1 2

1. Existing Data: ......................................... 1 2

2. Data Supplied with this Service Bulletin: ........................... 1 2

3. Installation Drawings Used in the Preparation of this Service Bulletin: ........... 1 2 K. Publications Affected ........................................ 1 2 L. Interchangeability and Intermixability of Parts ........................... 1 3 M. Software Accomplishment Summary ................................ 1 3

2. MATERIAL INFORMATION ........................................ 1 5 A. Material - Price and Availability ................................... 1 5 B. Industry Support Information .................................... 1 5 C . P a r t s N e c e s s a r y f o r E a c h A i r p l a n e ................................. 1 5 1 . K i t s / P a r t s............................................ 1 5

2. Parts and Materials Supplied by the Operator ........................ 1 6

3. Parts Modified and Reidentified ................................ 1 6

4. Parts Removed and Not Replaced .............................. 1 6 D. Parts Necessary to Change Spares ................................. 1 6 E. Special Tooling - Price and Availability ............................... 1 7 F. Special Tooling Necessary to do this Service Bulletin ....................... 1 7

3. ACCOMPLISHMENT INSTRUCTIONS .................................. 1 9 A. GENERAL INFORMATION ..................................... 1 9 B. WORK INSTRUCTIONS ....................................... 2 1 FIGURE 1: ELECTRICAL/ELECTRONICS COMPARTMENT - STA 110 RELAY PAN EL AND AFT RIGHT R A D I O R A C K - W I R I N G C H A N G E .............................. 2 7 APPENDIX A: PART DEMAND INTENT ................................... 2 9 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.

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Commercial Airplanes 717 Service Bulletin ALERT SummaryNumber: 717-30A0009Original Issue: March 31, 2020 ATA System: 3030 SUBJECT: ICE AND RAIN PROTECTION - Air Data Sensor Heating - Air Data Heat System Wiring Change

THIS DOCUMENT 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 DOCUMENT TO THE NEW OPERATOR. IF APPLICABLE SPARES HAVE BEEN SOLD, SEND THIS DOCUMENT TO THE NEW OWNER.

CONCURRENT REQUIREMENTS Refer to Paragraph 1.B., Concurrent Requirements.

BACKGROUND An operator reported that during takeoff, both the captain's and first officer's airspeed indications froze at 80 knots. The captain made the decision to continue the takeoff which resulted in an overboost of both engines.

The flight was diverted to an alternate airport. A review of the weather at the departure airport indicated an Outside Air Temperature (OAT) of 25 degrees Fahrenheit and wind at approximately 20 knots in light snow. The airplane had been waiting in this weather condition for about two hours for de-icing before takeoff. A review of the flight data recorder from this event indicated the airspeed became irregular and could not be read during takeoff until the airplane reached 6000 feet Above Ground Level (AGL). The recorded data also indicated that the pitot tube was possibly blocked with ice. If this service bulletin is not done, then the captain or first officer may fail to activate the Air Data Heat (ADH) System which can result in unsafe flight conditions.

This service bulletin gives instructions to change the ADH system. The new certified ADH system will display ADH Level 1 alerts with the master caution light. The alerts will be displayed when the left or right or both engine fuel switches are in the ON position and the ADH system is not on. This method does not change the current operation of the ADH system by the flight crew or crew's response to ADH system annunciations. The flight crew must then manually activate the ADH system.

Boeing Service Related Problem (SRP) 717-SRP-30-0052 is related to this service bulletin.

Boeing Fleet Team Digest (FTD) 717 FTD 30-15001 is related to this service bulletin.

This table is provided to operators for planning purposes only. Refer to the applicable sections for more information.

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ReferenceAffectedPlanning Data Paragraph 1.E., Compliance and Paragraph

1.F., Approval YesAD Related Paragraph 1.H., Weight and Balance ChangesNoWeight and Balance Change Paragraph 1.I., Electrical Load DataNoElectrical Load Changed Paragraph 1.K., Publications AffectedYesPublications Affected Paragraph 1.K., Publications AffectedNoAirplane Flight Operations Affected (Flight Crew Operations Manual and/or FAA Approved Airplane Flight Manual) Paragraph 2.C.1., Kits/PartsYesKits/Parts Required Paragraph 2.C.2., Parts and Materials Supplied by the Operator YesOperator Supplied Parts/Material Paragraph 2.F., Special Tooling Necessary to do this Service Bulletin NoSpecial Tooling Required ACTION In the electrical/electronics compartment, install new wires between the STA 110 relay panel and the left radio rack. Do tests.

Accomplishment of this service bulletin changes the flight deck and/or operations of the airplane. Refer to Paragraph 1.K., Publications Affected, for affected publications.

EFFECTIVITY 717-200 Airplane(s). Refer to Paragraph 1.A.1., Airplanes, for the list of affected airplane(s).

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.

Boeing recommends that the change given in this service bulletin be done within 27 months, or within 3944 flight hours, after the original issue date of this service bulletin, whichever occurs first.

INDUSTRY SUPPORT INFORMATION Boeing warranty remedies are not available for the changes given in this service bulletin.

MANPOWER Elapsed HoursTotal Task HoursAirplanes

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MATERIAL INFORMATION Boeing Supplied Kits/Parts.

Operator Supplied Parts/Materials.

Refer to Paragraph 2.A., Material - Price and Availability.

Operators are encouraged to complete the survey provided in APPENDIX A of this service bulletin to help Boeing predict the quantity and timing of the Boeing Supplied Kits/Parts.

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1. PLANNING INFORMATION A. Effectivity

1. Airplanes This bulletin is applicable to 717-200 Airplane(s), line number(s) 5002-5156 in 2 Group(s). Where the effectivity is presented with hyphens between line numbers, the airplane applicability means "through" and "inclusive", e.g. line numbers 1-9 means line numbers 1 through 9 inclusive.

This service bulletin is for the airplanes shown below.

DESCRIPTIONCONFIGURATIONGROUP Airplanes with concurrent requirement.-1 Airplanes with no concurrent requirement.-2 Airplane Models:

717-200 GroupFuselage Number 15002 - 5099 GroupFuselage Number 15100 - 5146 GroupFuselage Number 25147 - 5156

2. Spares Affected None.

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B. Concurrent Requirements Group 1:

The service bulletin(s) listed below must be done before or at the same time as this service bulletin:

Group 1:

DescriptionService BulletinCompany Change the first officer's Pitot Heat System wiring.717-30A0003 Original Issue, Revision 1 or Revision 2 Boeing Group 2:

None.

C. Reason An operator reported that during takeoff, both the captain's and first officer's airspeed indications froze at 80 knots. The captain made the decision to continue the takeoff which resulted in an overboost of both engines. The flight was diverted to an alternate airport. A review of the weather at the departure airport indicated an Outside Air Temperature (OAT) of 25 degrees Fahrenheit and wind at approximately 20 knots in light snow. The airplane had been waiting in this weather condition for about two hours for de-icing before takeoff. A review of the flight data recorder from this event indicated the airspeed became irregular and could not be read during takeoff until the airplane reached 6000 feet Above Ground Level (AGL). The recorded data also indicated that the pitot tube was possibly blocked with ice. If this service bulletin is not done, then the captain or first officer may fail to activate the Air Data Heat (ADH) System which can result in unsafe flight conditions.

Boeing Service Related Problem (SRP) 717-SRP-30-0052 is related to this service bulletin.

Boeing Fleet Team Digest (FTD) 717 FTD 30-15001 is related to this service bulletin.

D. Description In the electrical/electronics compartment, install new wires between the STA 110 relay panel and the left radio rack. Do tests.

Accomplishment of this service bulletin changes the flight deck and/or operations of the airplane. Refer to Paragraph 1.K., Publications Affected, for affected publications.

The work in this service bulletin is done in the maintenance zone(s) given below.

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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.

Boeing recommends that the change given in this service bulletin be done within 27 months, or within 3944 flight hours, after the original issue date of this service bulletin, whichever occurs first.

F. Approval This service bulletin was examined by the Federal Aviation Administration (FAA). The changes specified in this service bulletin comply with the applicable regulations 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 in its original Boeing delivery configuration or as modified by other approved Boeing changes.

If an airplane has a 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. Manpower The table below shows an estimate of the task hours necessary to do this change for each airplane.

This estimate is for direct labor only, done by an experienced crew. Adjust the estimate with operator task hour data if necessary. The 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 Elapsed HoursTask HoursNumber of PersonsTask

0.10.11Open Access

3.53.51FIGURE 1

3.77.42Test

0.10.11Close Access

7.411.1TOTAL FOR EACH AIRPLANE H. Weight and Balance Changes None.

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I. Electrical Load Data Not changed.

J. References

1. Existing Data:

a. Boeing Service Bulletin 717-30A0003

b. Standard Overhaul Practices Manual (SOPM) 20-50-01

c. Standard Wiring Practices Manual (SWPM) 20-00-03, 20-00-09, 20-00-13, 20-00-16, 20-10-01, 20-10-04, 20-20-01, 20-20-03, 20-50-01

d. Boeing Service Related Problem (SRP) 717-SRP-30-0052

e. 717 Aircraft Maintenance Manual (AMM) 24-00-00, 30-31-00

f. 717 Fleet Team Digest (FTD) 30-15001

g. 717 Structural Repair Manual (SRM) 51

h. 717 Wiring Diagram Manual (WDM) 30-31-01, 74-10-01, 74-10-02

2. Data Supplied with this Service Bulletin:

a. Drawings:

ADCNDCN/REVSheetTypeTitleDrawing No -NEW-DWGENHANCED ACTUATION OF

THE AIR DATA HEAT (ADH)

SYSTEM SERVICE REWORK

DRAWING SR95300005

3. Installation Drawings Used in the Preparation of this Service Bulletin:

None K. Publications Affected

1. Publications:

Chapter-SectionPublication 30-30, 76-13System Schematic Manual 30-31, 74-10Wiring Diagram Manual

2. Damage Tolerance Based Structural Inspections:

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