TP 7245E 1 of 1 AD Number: CF - 201 4 - 35 Issue Date: 3 October 201 4 

# AIRWORTHINESS DIRECTIVE
The following airworthiness directive (AD) may be applicable to an aircraft which our records indicate is registered in your name. ADs are issued pursuant to **Canadian Aviation Regulation**  (CAR) 521 Division X . Pursuant to CAR 605.84 and the further details of CAR Standard 625, Appendix H , the continuing airworthiness of a Canadian registered aircraft is contingent upon compliance with all applicable ADs. Failure to comply with the requirements of an AD may invalidate the flight authorization of the aircraft. Alternative means of compliance shall be applied for in accordance with CAR 605.84 and the above
- referenced Standard

. This AD has been issued by the Continui ng Airworthiness Division (AARDG), National Aircraft Certification Branch, Transport Canada, Ottawa, telephone 613 952
- 4357. Number: CF
- 201 4
- 35 Effective Date: 17 October 2 0 1 4 ATA: 57 Type Certificate: A
- 131 Subject : Wings

– Missing Insulation Blankets in the Upper Wing Box Area Applicability: Bombardier Inc. models CL
- 600
- 2C10, CL
- 600
- 2D15 and CL
- 600
- 2D24 aeroplanes, with serial numbers listed in section 1.A.(1) of Bombardier Service Bulletin 670BA
- 57
- 024, Initial Issue. Compliance: As indicated below, unless already accomplished. Background: It was discovered that some operators have inadvertently removed the existing insulation blankets from the upper wing box area while incorporating Bombardier Service Bulletin (SB) 670BA
- 36
- 016 to comply with AD CF
- 2012
- 06. Without insulation blankets on the upper wing box area, there may be inadequate thermal protection to prevent fuel ignition in the event of an undetected bleed air leak due to a cracked or ruptured bleed
- air duct. This AD mandates the inspection and rectification, as required, of the insulation blankets in the upper wing box area. Corrective Actions: A. Within 800 hours air time or 4 months, whichever occurs first, from the effective date of this AD, inspect the insulation blankets in the upper wing box area in accordance with the Accomplishment Instructions in Part A of the Bombardier SB 670BA
- 57
- 024, Initial Issue, dated 23 July 2014, or later revisions approved by the Chief, Continuing Airworthiness, Transport Canada. 1. If any blankets are missing, proceed to paragraph B of this AD. 2. If no b lankets are missing, compliance with this AD is complete. B. Within 1200 hours air time or 6 months, whichever occurs first, from the effective date of this AD, install the missing insulation blankets in accordance with the Accomplishment Instructions in P art B of the SB specified in paragraph A of this AD. Authorization: For the Minister of Transport, O R I G I N A L S I G N E D B Y Robin Lau Acting Chief, Continuing Airworthiness Contact: Robert Farinas , Continuing Airworthiness, Ottawa, telephone 613
- 952
- 4357, facsimile 613
- 996
- 9178 or e
- mail AD
- CN@tc.gc.ca or any Transport Canada Centre.

Pursuant to CAR 202.51 the registered owner of a Canadian aircraft shall, within seven days, notify the Minister in writing of a ny change of his or her name or address. For all changes to your mailing address, contact your TC Regional Aircraft Registration Office at 1
- 800
- 305
- 2059, option 1 for English, 2 for Aircraft Registration and then select the appropriate region. 24
- 0022 (01
- 2005)