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1 1 of 6 SERVICE BULLETINMANDATORY SB 25-2394, REV. 1 Issued: December, 1990 Revised: April, 2010 The export of these commodities, technology or software are subject to the ExportAdministration Regulations. Diversion contrary to law is prohibited. For guidance onexport control requirements, contact the Commerce Department's Bureau of ExportAdministration at Hawker beechcraft Corporation (HBC) issues Service Information for the benefit of ownersand fixed base operators in the form of two classes of Service Bulletins. The first class,Mandatory Service Bulletins (red border) includes changes, inspection and modifications thatcould affect safety or crashworthiness. HBC also issues Service Bulletins with no red borderwhich are designated as either recommended or optional in the compliance section within thebulletin.

2 In the case of recommended Service Bulletins, HBC feels the changes,modifications, improvements or inspections will benefit the owner/operator and althoughhighly recommended, Recommended Service Bulletins are not considered mandatory at thetime of issuance. In the case of Optional Service Bulletins, compliance with the changes,modifications, improvements or inspections is at the owner/operator's classes are available on the web at and mailed to:(a)Owners of record on the FAA Aircraft Registration Branch List and the HBCS afety of Flight Information (SOFI) List.(b)Those having a publications on Safety of Flight Information (SOFI) or subscription can be obtained throughthe Hawker beechcraft Corporation Technical Manual Distribution Center (TMDC). AsMandatory Service Bulletins and Service Bulletins are issued, the Service Bulletin MasterIndex will be updated and available online at Warrantywill be allowed only when specifically defined in the Service Bulletin and in accordance withHBC Warranty otherwise designated, HBC Mandatory Service Bulletins, Service Bulletins and HBCKits are approved for installation on HBC airplanes in original or HBC modified configurationsonly.

3 HBC Mandatory Service Bulletins, Service Bulletins and Kits may not be compatiblewith airplanes modified by STC installations or modifications other than HBC approved kits. SYNOPSIS OF CHANGEThis Service Bulletin has been revised at the direction of the FAA to add the Model Designator A36TC to theEffectivity Section. The list of affected serials is not changed. If the original issue of this Service Bulletin has beencomplied with, no further action is required. This Service Bulletin is produced in the revised Hawker BeechcraftCorporation (HBC) format. Relevant changes are marked with change bars in the outside margins. 1. Planning InformationA. Effectivity(1) AirplanesBeechcraft BonanzaF33A, Serials CE-634 through CE-1536;V35B, Serials D-9862 through D-10403;A36, Serials E-825 through E-2578;A36TC and B36TC, Serials EA-1 through BaronBaron 95-B55 and 95-B55A, Serials TC-1947 through TC-2456;E55 and E55A, Serials TE-1078 through TE-1201;58 and 58A, Serials TH-733 through TH-1609;58P and 58PA, Serials TJ-3 through TJ-497;58TC and 58 TCA, serials TK-1 through you are no longer in possession of the airplane, please forward this information to the presentowner.

4 (2) :EQUIPMENT/FURNISHINGS - PILOT AND COPILOT SHOULDER HARNESS GUIDE RETAINING WASHER INSPECTION AND/OR REPLACEMENT SERVICE BULLETINI ssued: December, 1990 Revised: April, 2010SB 25-2394, REV. 12 of 6 MANDATORY B. ReasonThis Service Bulletin is being revised to add the Model Designator A36TC to the Effectivity Section. ThisService Bulletin was originally issued to inspect for and replace an incorrect washer, which may have beenused to retain the pilot s and copilot s shoulder harness guides to the airframe. The incorrect washer couldallow the harness guide to detach from the 1 to this Service Bulletin does not change the list of affected DescriptionRevision 1 to this Service Bulletin adds the Model Designator A36TC to the Effectivity Section as follows:A36TC and B36TC, Serials EA-1 through ComplianceAn Airworthiness Directive has been issued on the matter covered by this Service beechcraft Corporation considers this to be a mandatory inspection and/or replacement.

5 It shouldbe accomplished within the next 25 flight hours, but no later than 6 calendar months, if the Service Bulletinwas not previously ApprovalThe engineering data contained in this Service Bulletin is FAA approved. Prior to accomplishment, owners/operators of airplanes registered in countries other than the UnitedStates shall consult with their local Aviation Regulatory of this Service Bulletin restores the airplane to original Type a n p o w e rThe following information is for planning purposes only:Estimated man-hours: 1 number of personnel: above is an estimate based on experienced, properly equipped personnel complying with this ServiceBulletin. Occasionally, after work has started, conditions may be found that could result in additional W e i g h t a n d B a l a n c Electrical Load DataNo Accomplishment SummaryNot BULLETIN Issued: December, 1990 Revised: April, 20103 of 6SB 25-2394, REV.

6 1 MANDATORY J. Publications Interchangeability of PartsNot Warranty Credit Material InformationA. Materials - Price and AvailabilityOn application to the following address:Hawker beechcraft Parts & Distribution (HBP&D)10511 East Central AvenueWichita, KS 67206 USAP hone: 316-676-3100 or 1-888-727-4344 Fax: 316-676-3222 or 316-676-3327E-mail: Industry SupportNot AirplanesThe following parts required for accomplishment of this Service Bulletin may be ordered through a HawkerBeechcraft Authorized Service Center or HBP&D:Hawker beechcraft Corporation expressly reserves the right to supersede, cancel and/or declare obsolete,without prior notice, any parts or publications that may be referenced in this Service Reidentified o l i n g - P r i c e a n d Av a i l a b i l i t y Not NumberDescriptionQuantity Per Airplane100951X060 YAWasher1 or 2, as required SERVICE BULLETINI ssued: December, 1990 Revised.

7 April, 2010SB 25-2394, REV. 14 of 6 MANDATORY 3. Accomplishment InstructionsThis Service Bulletin shall be accomplished as follows:NOTES hould any difficulty be encountered in accomplishing this Service Bulletin,contact Hawker beechcraft Corporation at 1-800-429-5372 or 316-676-3140. Observe all Warnings and Cautions contained in the airplane manualsreferenced in this Service any part of this system is dismantled, adjusted, repaired orrenewed, detailed investigation must be made on completion to make surethat distortion, tools, rags or any other loose articles or foreign matter thatcould impede the free movement and safe operation of the system are notpresent, and that the systems and installations in the work area are Airplane(1) Secure airplane for maintenance and display warning notices.(2) Remove the cover located on the pilot s shoulder harness guide and remove the bolt to gain accessto the washer shown in Figure 1, View A.

8 (3) There are two acceptable steel washers for this installation. Check the washer with a magnet toensure that it is made of steel. Refer to Figure 2 to determine if the washer installed is one of thosetwo washers. If it falls within the tolerances for inner and outer diameter and thickness shown inFigure 2, proceed to Step 5.(4) If the washer is not steel or does not fall within the tolerances for inner and outer diameter andthickness shown in Figure 2, replace it with a P/N 100951X060YA washer.(5) Reassemble as shown in Figure 1, View A, and tighten the bolt to 50 to 70 inch-pounds of torque.(6) Install the cover removed in Step 2. Make sure that the shoulder harness guide is free to swivel. Itmay be necessary to trim the cover on the copilot s side in order to clear the leather covered seal(gimp).

9 (7) Repeat Steps 2 through 6 on the copilot s shoulder harness guide installation.(8) Remove warning notices and ensure all work areas are clean and clear of tools and miscellaneousitems of equipment.(9) Return airplane to SparesNot Record of ComplianceUpon completion of this Service Bulletin, make an appropriate maintenance record BULLETIN Issued: December, 1990 Revised: April, 20105 of 6SB 25-2394, REV. 1 MANDATORY Shoulder Harness Attachment HardwareFigure 1 SERVICE BULLETINI ssued: December, 1990 Revised: April, 2010SB 25-2394, REV. 16 of 6 MANDATORY Washer TolerancesFigure 2