Airworthiness directives › 2010-18-08
AD 2010-18-08 Airworthiness Directives; Bombardier, Inc. Model CL-600-2C10 (Regional Jet Series 700, 701 & 702), CL-600-2D15 (Regional Jet Series 705), and CL-600-2D24 (Regional Jet Series 900) Airplanes
Applicability*9
This AD applies to Bombardier, Inc. Model CL-600-2C10 (Regional Jet Series 700, 701, & 702) airplanes, certificated in any category, serial numbers 10003 through 10260 inclusive; and Model CL-600-2D15 (Regional Jet Series 705) and CL-600-2D24 (Regional Jet Series 900) airplanes, certificated in any category, serial numbers 15001 through 15095 inclusive.
Compliance
Unless already done, do the following actions. Within 450 flight hours after May 29, 2009 (the effective date of AD 2009-10-10), inspect the OFV for proper operation of the manual mode motor and altitude limitation functions, in accordance with Part A of the Accomplishment Instructions of Bombardier Alert Service Bulletin A670BA-21-022, dated August 3, 2006 (“the service bulletin”). If the OFV manual mode motor or altitude limitation functions do not operate properly, before further flight, do the actions specified in paragraphs (f)(1) and (f)(2) of this AD. Repeat the inspection thereafter at intervals not to exceed 450 flight hours. Accomplishing the actions specified in paragraph (g) of this AD terminates the requirements of this paragraph. (1) Make sure that the electrical connectors, MPE23P1 and MPE23P2, are connected to the OFV. (2) Repeat the inspection of the OFV for proper operation of the manual mode motor and altitude limitation functions, in accordance with Part A of the service bulletin. If the OFV manual mode motor or altitude limitation functions do not operate properly, before further flight, replace the OFV with a new or serviceable valve in accordance with Tasks 21-32-01-000-801 and 21-32-01-400-801 of the Bombardier CRJ Regional Jet Series Aircraft Maintenance Manual, CSP B-001, Part 2, Volume 1, Revision 28, dated January 20, 2009, and do the inspection of the OFV specified in paragraph (f) of this AD. New Requirements of This AD
Required actions
Unless already done, do the following actions. Within 450 flight hours after May 29, 2009 (the effective date of AD 2009-10-10), inspect the OFV for proper operation of the manual mode motor and altitude limitation functions, in accordance with Part A of the Accomplishment Instructions of Bombardier Alert Service Bulletin A670BA-21-022, dated August 3, 2006 (“the service bulletin”). If the OFV manual mode motor or altitude limitation functions do not operate properly, before further flight, do the actions specified in paragraphs (f)(1) and (f)(2) of this AD. Repeat the inspection thereafter at intervals not to exceed 450 flight hours. Accomplishing the actions specified in paragraph (g) of this AD terminates the requirements of this paragraph. (1) Make sure that the electrical connectors, MPE23P1 and MPE23P2, are connected to the OFV. (2) Repeat the inspection of the OFV for proper operation of the manual mode motor and altitude limitation functions, in accordance with Part A of the service bulletin. If the OFV manual mode motor or altitude limitation functions do not operate properly, before further flight, replace the OFV with a new or serviceable valve in accordance with Tasks 21-32-01-000-801 and 21-32-01-400-801 of the Bombardier CRJ Regional Jet Series Aircraft Maintenance Manual, CSP B-001, Part 2, Volume 1, Revision 28, dated January 20, 2009, and do the inspection of the OFV specified in paragraph (f) of this AD. New Requirements of This AD
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