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'Qeechcraft MANDATORY 

SERVICE BULLETIN 

Kit 140-9005 

Kit 140-9006 

TITLE: EXHAUST· THRUST REVERSER SYSTEM IMPROVEMENT 

1. Planning Information 

A. Effectivity 

( 1) Airplanes 

Hawker 1000, BAe 125 Series 1 OOOA and 1 OOOB, Serials 258151 , 2581 59, 259004 through 259042; 

Hawker 1000, Serials 259003, 259043 through 259052. 

NOTE 

Mandatory Service Bulletin 78-9-3662B (Mod 253662B) shall be complied with 

prior to or concurrenlly with applicable Kits 140-9005 or 140-9006 for airplane 

serials 258151 , 258159, and 259003 through 259044. 

If you are no longer in possession of the airplane, please forward this information to the present 

owner. 

(2) Spares 

None. 

B. Reason 

This Service Bulletin is being issued to address potential for uncommanded thrust reverser system stow. 

An accident involving an airplane with a similar engine variant and configuration resulted in National 

Transportation Safety Board (NTSB) recommendations to the Federal Aviation Administration (FAA) to 

address this issue on other manufacturer's airplanes with similar thrust reverser systems. 

C. Description 

This Service Bulletin announces Kits 140-9005 and 140-9006 that install additional relays, associated 

wiring, and a T/R FAIL (amber) caution annunciator. 

The export of these commodrt•es technology or software are subject to the U S Exoort Admrnistration Regulations. Drversion contrary to U S taw is prohibited For gu:dance en 

export control reau1rements, contact 1he Commerce Department's Bureau of Exocrt 

Adminrstra:ion at http INNNI bis do~.gov 

B.t?echcraft Corpt:>r~won {SC) issues Se-rvu"l? lnformat,on forth~ bene-fit or owners ""d fived 

base operators m the form of ~vo classes of Seo11ce Bulletins The first class. Mancatoo1 

Service Bulletins (red border) 1ncludes changes rnspection and modifications that could affect safety or crashworthiness BC also issues Serv•ce Bulletins woth no red border wh•ch 

are designated as e1tt'ter recommended or opt.cnal in the corr1pliance sect1on w11h1n the bulletin In the case of recommended Serv•ce Bulletins. BC feels the changes. modoficaticns. 

tmprovements or mscect1ons will benefit the owner/operator and although htghly recommended, Recommended Service Bulletins are not cons1dered mandatory at the trme of 

tssuanco In tne case of Opt1cnat Serv1ce Bulletms, complitmce w1th the changes. modifications. 1mprovements or 1nspect ons 1S at the ownec/operator's discretion 

Issued: May, 2015 

8oth classes are available on the web at http //pubs beechcrafi com and mailed to 

{a) Owners of record on the FAA Arrcraf1 Regrstratron Branch Ltst and the BC 

Sofety of Flight lnformoticn (SOFI) lrs: 

{b) Those havong a publicauons subscriptron 

nform~:ion on S~fety of Fligh1 lnfoimatton (SOFt) or c;uh<:.f'J1pt1nn f',.an he ohlt=llned through 

the 6eechcraft Corporatron Tectmrcal l•1tanual Orstnoutron Center (TMOC) As Manda!OOJ Service Bulletrns and Service Bulletins are issued, the Service Bu•letin Master Index wrll be 

updated and avarlablc on I ne at http //pubs beechcraft com Vvarranty w.ll be allowed only when specifically defined in the Service Bulletin and in accordance w•th BC Warranty Pelley 

Un1ess otherwise designated. BC Mandatory SeNice Bulletins. Setv~ce Bulletins anc BC Kits 

are approved for installation on BC ~urpla es in origtnal or 9C modified configurations only BC Mandatory Se011ce Bulletins. Servrce Bulletins and K1ts may not be compal•ble wrtn 

airpfancs mod1fied by STC s~a lla~1ons or mocilficat:cns other than BC aporoved kits 

SB 78-4133 

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'Veechcraft MANDATORY 

SERVICE BULLETIN 

D. Compliance 

An Airworthiness Directive will be requested on the matter covered by this Service Bulletin. 

Beechcraft Corporation considers this to be a Mandatory Service Bulletin. It must be accomplished no later 

than 600 flight hours or 12 months from issuance of this Service Bulletin, whichever occurs first. 

E. Approval 

The engineering data contained in this Service Bulletin is FAA approved. 

This modification is classified Level 1 Major per FAA Order 8110.52. 

Prior to accomplishment, owners/operators of airplanes registered in countries other than the United 

States shall consult with their local Aviation Regulatory Authority. 

F. Manpower 

The following information is for planning purposes only: 

Estimated man-hours for inspection: 1 hour 

Estimated man-hours for modification: 340 hours 

Suggested number of technicians: 1 

The above is an estimate based on experienced, properly equipped technicians complying with this 

Service Bulletin. Occasionally, after work has started, conditions may be found that could result in 

additional man-hours. 

G. Weight and Balance 

The weight and balance information for each airplane modified in accordance with this Service Bulletin 

must be adjusted as follows: 

Kit Weight Moment 

{lbs) (lbs-ft) 

140-9005* 1.00 6.0 

140-9006* 3.00 23.0 

* Refer to applicable Kit General Notes to con firm weight and balance information. 

It is the responsibility of the owner/operator to maintain compliance with the applicable Airworthiness 

Regulations. 

H. Electrical Load Data 

No change. 

I. Software Accomplishment Summary 

Not applicable. 

Issued: May, 2015 SB 78-4133 

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·'Ueechcraft 

J. References 

None. 

K. Publications Affected 

SERVICE BULLETIN 

MANDATORY 

It is recommended that a note "See Service Bulletin 78-4133" be made in the following: 

Appropriate chapter of the applicable Illustrated Parts Catalog and Wiring Diagram Manual. 

L. Interchangeability of Parts 

Not applicable. 

M. Warranty Credit 

None. 

2. Material Information 

A. Materials - Price and Availability 

Contact information: 

Hawker Beechcraft Parts & Distribution (HBP&D) 

7121 Southwest Boulevard 

Wichita, KS 67215 

USA 

Phone: 316-676-31 00 or 1-888-727-4344 

Fax: 316-676-3222 or 316-676-3327 

E-mail: parts@beechcraft.com 

B. Industry Support 

Not applicable. 

C. Airplanes 

(1) The following kit(s) required for accomplishment of this Service Bulletin may be ordered through 

Hawker Beechcraft Services (HBS) or HBP&D, and must be installed by an HBS facility or Cessnaowned and Cessna-authorized Citation Service Center: 

Kit Number Description Quantity Per Airplane 

140-9005-0001 Kit (Thrust Reverser Monitor & Control) 1 

140-9006-0001 Kit (Thrust Reverser Monitor & Control 1 

Provisions) 

Beechcraft Corporation expressly reserves the right to supersede, cancel and/or declare obsolete, 

without prior notice, any kits, parts, or publications that may be referenced in this Service Bulletin. 

Issued: May, 2015 SB 78-4133 

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'i?eechcraft .___ A_T_O_R_Y------~~ SERVICE BULLETIN 

[: ~~~~~~0:] All Beechcraft-approved kits, unless othervvise designated, are approved for 

installation on Beechcraft airplanes in original or Beechcraft-approved modified 

configurations only. Beechcraft-approved kits may not be compatible with 

airplanes modified by Supplemental Type Certificate (STC) installations or 

modifications other than Beechcraft-approved kits. 

(2) The following materials may be obtained locally: 

Material Item Number Quantity Per (Ref. AMM Chapter 20) Description 

or Part Number Airplane 

EA9359.3 Adhesive As Required 

20-95-201-001' Item 206 Isopropyl Alcohol As Required 

(Ref. AMM Chapter 20) 

DTD900/4377 Lubricant (Hellerine Grade M) As Required 

D. Spares 

Not applicable. 

E. Reidentified Parts 

None. 

F. Tooling -Price and Availability 

Refer to Kits 140-9005 (Table I) and 140-9006 (Table I and Table II) for special tools, including insertion/ 

extraction, crimping, positioner, and threading tools. Procure these tools locally. 

3. Accomplishment Instructions 

This Service Bulletin shall be accomplished as follows: 

NOTE 

Should any difficulty be encountered in accomplishing this Service Bulletin, 

contact Beechcraft Corporation at 1-800-429-5372 or 316-676-3140. 

Issued: May, 2015 SB 78 .. 4133 

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-<Ueechcraft MANDATORY 

A. Airplane 

SERVICE BULLETIN 

I WARNING I 

Observe all Warnings and Cautions contained in the airplane manuals 

referenced in this Service Bulletin. 

Whenever any part of this system is dismantled, adjusted, repaired or 

renewed, detailed investigation must be made on completion to make sure 

that distortion, tools, rags or any other loose articles or foreign matter that 

could impede the free movement and safe operation of the system are not 

present, and that the systems and installations in the work area are clean. 

(1) Remove all power from the airplane and disconnect the batteries. Display warning notices 

prohibiting reconnection of airplane electrical power. 

(2) Install Kits, P/N 140-9005 and 140-9006, as defined in Paragraph 2.C, and as detailed in kit 

installation instructions, including FUNCTIONAL TEST PROCEDURES and associated drawing 

NOTES. 

(3) Reconnect the airplane batteries, remove warning notices, and restore power. 

(4) Ensure all work areas are clean and clear of tools and miscellaneous items of equipment. 

(5) Return airplane to service. 

B. Spares 

Not applicable. 

C. Record of Compliance 

Upon completion of this Service Bulletin, make an appropriate maintenance record entry specifying the kit 

identification number and the kit serial number. It is recommended that the parts list contained in the kit be 

filed for future reference until the listing of parts has been incorporated into the Parts Catalog and/or Wiring 

Diagram Manual. 

Issued: May, 2015 SB 78-4133 

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