BOMBARDIER 

AEROSPACE MODIFICATION SUMMARY PACKAGE 

1 CERTIFYING AUTHORITY NO. 2 MODEL I TYPE 3 MODSUMNO. COMPLETE D 4 SHEET 

93·Q·02 

CL-670/CL-690 15670528200033 1 OF7 

5 CURRENT A A-f A-?.. 

REVISION 

6 PRIME DESIGN ACTIVITY BOMBARDIER INC. D 3AB48 7 SUPPLIER NAME AND CAGE CODE 

BOMBARDIER INC., MONTREAL QJ 88308 LEARJET INC. D 2421o BA (88308) 

BOMBARDIER INC., DOWNSVIEW 0 71867 SHORT BROTHERS PLC D K4585 

8 TITLE 

10 APPROVED INITIATING DOCUMENT 

INBD/OUTBD MLG DOOR FWD AND AFT HINGE LOW DCP 

CLEARANCE PCR 

9 MAJOR ASSY OR COMPONENT AFFECTED CAR 16409 

MLG DOOR INSTALLATION BASKET MODSUM 

D SEE INDIVIDUAL AUTH DOCUMENTS 

11 DESCRIPTION OF MODIFICATION 

This IS MODSUM modifies the MLG Outer Door CC670-1 0550 to enlarge fwd and aft hinge cutouts. 

12 REASON FOR MODIFICATION 

To allow more clearance between Fwd Member (CC670-10570) & Aft Member (CC670-10571) and MLG 

Outboard door (CC670-10550). 

Make all different configurations of the Outboard door (CC670-1 0550) fully interchangeable. 

13 ENGINEERING REMARKS 

14 RELATED MODSUM 16 PRODUCTION EFFECTIVITY 

N/A 

CC670T22205 

CC670T1 0905 

15 ENGINEERING VALIDITY 17 RECOMMENDED SERVICE EFFECTIVITY 

1 0002 - 1 0999 10002- 10217 

15001 - 15990 15oo2 -15043) 15qq I 

18 CLASS 19 AIRWORTHINESS CLASSIFICATION 

c LEVEL 1** D LEVEL 2* D LEVEL 3 QJ 

------ ---~ -- -

BT0206·02A MW97 REV 2003·09 .. DCCP OR •ACRL & SOC OR FAA FORM 8110·3 REQUIRED © 2003 Bombardier Inc . 
BOMBARDIER 

AEROSPACE MODIFICATION SUMMARY PACKAGE 

3 MODSUMNO. 4 SHEET 

AUTHORIZATION SHEET IS670528200033 2 ---

5 CURRENT REVISION A AI A-2-

21 ORIGINATOR 

22 DESIGN 

- ------ 23 DESIGN AUTHORITY 

.... 24 PP&C 

5 CURRENT REVISION 

- - - - · 21 ORIGINATOR 

~ 

22 DESIGN 

23 DESIGN AUTHORITY 

24 PP&C 

25 REVISION DESCRIPTION 

[ ciU-100 1 9411 /.f 1 reo /3Jit5 "'c H \g~· 

R~'J \~\o£1 A-1: 

t:>N .$1-l / f!. TEf 3..1> MO..bl F/1:>)) 

\ CRJ-700 I 900 fJ /(eb J~j PP&C f-1-1 ~- ~c.-'kt 

Rt.\J\S\OT\l A-2 ~ 

CNS\-\t.t.1 5 1 STEf' 1. 1\\)\J ~ MDDiflED 

01\J S\-\kl:.\ 4 1 BlOC'f---. L.1 rv\ODIY H:.D, 

I crJ-703 / ooo t// 0 G7/ ?Ji)5 PP&c A~S~~~]J 

--· ··- - -------- ~- ·- -- ----- -- --- ------- -~ · -

BT0206·06 MW97 REV 2003.09 

- ---- 

··-··· ··- ----~-........ -------·· . 
BOMBARDIER 

AEROSPACE 

AUTHORIZATION SHEET 

4 REV 28 AIRWORTHINESS CLASSIFICATION 

.. LEVEL 1 

A 'LEVEL 2 

LEVEL3 ,J IV'! fu. .. o~ 

29 DISCIPLINE CODE ~I rL 

30 CERT AVTH t-t: c:Jj 1 ;t -.:~ . .;, 

DES REP SIGNATURE :2 ...... 

31 CERT AUTH c. , Fic..He r~ 't . '3.t-~~ 0!=.~ RF => NAMI= 

4REV 28 AIRWORTHINESS CLASSIFICATION 

.. LEVEL 1 

'LEVEL 2 

LEVEL3 

29 DISCIPLINE CODE 

30 CERT AUTH 

DES REP SIGNATURE 

31 CERT AUTH nF~ RFP NAMF 

4 REV 28 AIRWORTHINESS CLASSIFICATION 

''LEVEL 1 

'LEVEL2 

LEVEL 3 

29 DISCIPLINE CODE 

30 CERT AUTH 

DES REP SIGNATUR_E 

31 CEAT AUTH n!=~ R I=P NAMI= 

4 REV 28 AIRWORTHINESS LAS~FICATI ON 

"'LEVEL 1 

'LEVEL 2 

LEVEL 3 

29 DISCIPLINE CODE 

30 CEATAUTH 

DES REPSl(lNATURE 

31 CEAT AUTH n!=~ RI=P NAMF' 

4REV 28 AIRWORTHINESS CLASSIFICATION 

""LEVEL 1 

'LEVEL 2 

LEVEL 3 

29 DiSCIPLINE CODE 

30 CEAT AUTH 

DES REP SIGNATURE 

31 CEAT AUTH 

nF~ RI=PNAMF 

l 4 REV 28 AIRWORTHINESS CLASSIFICATION I 

.. LEVEL 1 

' LEVEL 2 

LEVEL 3 I 

29 DISCIPLINE CODE 

30 CERT AUTH 

_ _Q.f.§_BEP SIGNATURE 

31 CEAT AUTH 

DES REP NAME 

BT0206-06 MW97 AEV 2003-09 

MODIFICATION SUMMARY PACKAGE 

3 MODSUMNO. 4 SHEET 

15670528200033 3 

~...:. 
BOMBARDIER 

AEROSPACE MODIFICATION SUMMARY PACKAGE 

3 MODSUM NO. 4 SHEET 

REQUIRED I AFFECTED CHECKLIST 15670528200033 4 

5 CURRENT A A1 P.-'2-

REVISION 

26 REQUIRED I AFFECTED CHECKLIST 

ITEM YES NO FLAG ITEM YES NO FLAG 

NOTE NOTE 

AIRCRAFT MAINTENANCE MANUAL (AMM) ..J ISTR ..J 

AIRWORTHINESS CONTROL DOCUMENT ..J MAINTENANCE SIMULATOR ..J 

CABIN PRESSURE CONTROL SYSTEM ..J MASTER MINIMUM EQUIPMENT LIST ..J 

COCKPIT DEMONSTRATOR ..J MODIFICATION KIT PARTS ..J 

COMPONENT MAINTENANCE MANUAL (CMM) ..J PILOT'S MANUALS ..J 

CONFORMITY REQUIRED ..J POWER PLANT INT TEST RIG ..J 

CUSTOMER TRAINING ..J PROTOTYPE EVALUATION ..J 

DEICE I DOORS ..J PROOF INSTALLATION ..J 

ECS SYSTEM TEST ..J QUALIFICATION TESTING ..J 

FATIGUE COMPLETE ....; SERVICE ACTION ....; 

FATIGUE FLAP ..J SERIALIZATION LIST ..J 

FATIGUE HORIZONTAL STABILIZER ..J STATIC MISCELLANEOUS ..J 

FATIGUE MISCELLANEOUS ....; SOFTWARE ..J 

FATIGUE NACELLE ..J SPARES ..J 

FLIGHT MANUAL ..J STATIC COMPLETE ..J 

FLIGHT SIMULATOR ..J STRESS REPORTS ..J 

FLIGHT TEST PROGRAM I AESUL TS ....; STRUCTURAL REPAIR MANUAL (SAM) ....; 

I 

FLIGHT TRAINING DEVICE ..J WIRING DIAGRAM MANUAL (WDM) ..J 

FUEL TEST RIG ..J TYPE INSPECTION AUTHORIZATION ....; 

FUNCTIONAL TEST ENGRG REQTS (FTER) ....; A 

ILLUSTRATED PARTS CATALOGUE (IPC) ....; ill 

INTERCHANGEABILITY & REPLACEABILITY LIST ..J 

IRON BIRD ....; 

27 INSTRUCTIONS 

6 AI PC to be modified to reflect new interchangeability once this ISModsum is incorporated. 

• CC670-10550-5, -7, -7PP and -9 are 2 ways interchangeable. 

@ • CC670-1 0550-6, -8, -8PP and -1 0 are 2 ways interchan~able . • CC C.. -=tO 10~~ l t -2 -~ \-4 f\~~ 2 Wf\"'S Thf\ £.Q.CMI\ f:t~ll_. 

l ---

BT0206-03 MW97 REV 2003-09 
BOMBARDIER 

AEROSPACE MODIFICATION SUMMARY PACKAGE 

3 MODSUM NO. 4 SHEET 

CONTINUATION SHEET IS670528200033 5 

5 CURRENT 

REVISION 

A A1 A-2. 

PARTS REQUIRED: 

N/A 

SPECIAL TOOLS: 

N/A 

PROCEDURE: 

~ 

1. MLG Outboard door affected by this modification: 

• CC670-10550-5, -6, -7, -7PP, -8, -8PP 

® • C.C.Cdfr\DSffi-\ -2. -~}- 4 

2. Inspect the MLG Outboard door (CC670-10550) to verify if the enlarged cutouts were incorporated. 

Use Fig. 1 view A, B & C for reference dimensions. If door was already modified omit step 3 of this 

procedure. 

3. Modify Outboard MLG Door (CC67Q-10550) as follows: 

A. Remove the Outboard MLG Door per AMM TASK 32-12·01-000-801-A01. 

B. Trim the shaded areas as shown on view A, B & C 

C. Deburr. 

D. St1rface finish of re .. orked ed~es to be 125\/ or better. A<.HIEII'G "' f!Mo o·rl-'( ,<'~«;"J'l(e FINIIH t.API/11(,.. lfOD 01( , .00 G. t..» ALI.IMI/Vt"iN ox ·~t> ,.,..,6(. 

E. Perform liquid penetrant inspection per NDTM 51-20-08 or eddy current inspection per 

NDTM 51-20-06 of reworked areas. 

F. Touch-up reworked area A023 per SRM 51-21-16. 

M\ ~ldentify as follows: ~ 7 -h-.;, 

• CC670-10550-5, -7, -7PP to be ~identified as: IS670528200033-1 using indelible ink 

beside name plate. _ -+ 

• CC670-10550-6, -8, -i~P to be ~identified as: IS670528200033-2 using indelible ink 

beside name plate. 

H. Re-Install the Outboard MLG Door per AMM TASK 32-12-01-400-801·A01 

1. Upon completion of this In Service Modsum, make an entry that conforms to local 

regulatory requirements in the applicable logbooks. 

GENERAL NOTES: 

A. All work must be accomplished and signed off by qualified personnel as required by local 

regulatory authorities. 

B. This rework is limited to the components as specified in IS670528200033 

C. Weight & Balance: No change 

D. Electrical load Analysis; No change 

E. Interchangeability: 2 ways interchangeable. 

BT0206-05 MW97 REV 2003-09 
BOMBARDIER 

AEROSPACE 

CONTINUATION SHEET 

5 CURRENT 

REVISION 

A 

BT0206·05 MW97 REV 2003-{)9 

Ai 

i 

I 

I 

A-l. 

0 

MODIFICATION SUMMARY PACKAGE 

3 MODSUMNO. 4 SHEET 

18670528200033 6 

~ 

-~_1_;::.::::=========::.:::::::::===~ 

FIGURE 1 

View Looking Inboard 

VIEW A 

© 

R . 28 

2 R.CS 
BOMBARDIER 

AEROSPACE 

CONTINUATION SHEET 

5 CURRENT 

REVISION 

A 

BT0206-05 MW97 REV 2003-09 

Ai A~Z. 

© ©" 

SHADED AREAS SHOWS 

MATL TO BE REMOVED 

(IF NECESSARY) 

VIEW B (PRE MOD) 

1.6> 

L 

R . 21 .../ 

l PI.C5 

R . 2'5 

MODIFICATION SUMMARY PACKAGE 

3 MODSUM NO. 4 SHEET 

15670528200033 7 

VIEW C (POST MOD)