Airworthiness Directive · Amendment 39-19727 · Oxygen
Bombardier, Inc., Airplanes
This AD applies to Bombardier, Inc., airplanes, certificated in any category, identified in paragraphs (c)(1) through (c)(4) of this AD.
(1) Model CL-600-2B19 (Regional Jet Series 100 & 440) airplanes, serial numbers (S/N) 7003 and subsequent.
(2) Model CL-600-2C10 (Regional Jet Series 700, 701 & 702) airplanes, S/N 10003 and subsequent.
(3) Model CL-600-2D15 (Regional Jet Series 705) airplanes and Model CL-600-2D24 (Regional Jet Series 900) airplanes, S/N 15001 and subsequent.
(4) Model CL-600-2E25 (Regional Jet Series 1000) airplanes, S/N 19001 and subsequent.
The FAA is adopting a new airworthiness directive (AD) for certain Bombardier, Inc., Model CL-600-2B19 (Regional Jet Series 100 & 440); CL-600-2C10 (Regional Jet Series 700, 701 & 702); CL-600-2D15 (Regional Jet Series 705); CL-600-2D24 (Regional Jet Series 900); and CL-600-2E25 (Regional Jet Series 1000) airplanes. This AD was prompted by reports of incorrect deployment of forward and aft flight attendant oxygen masks. This AD requires repacking the flight attendant and lavatory oxygen box assemblies as applicable, replacing the placards, and re-identifying the assemblies. The FAA is issuing this AD to address the unsafe condition on these products.
(1) For Model CL-600-2B19 airplanes equipped with oxygen box assembly part number (P/N) 3868301 or 3868302 with C&D Zodiac Aerospace Service Bulletin 3868303-25-A-01 installed, or P/N 3868303: Within 8,800 flight hours or 48 months, whichever is first, after the effective date of this AD, repack the assembly, replace the packaging placard, and re-identify the assembly, in accordance with paragraphs 2.A. and 2.B. of the Accomplishment Instructions of Bombardier Service Bulletin 601R-35-021, dated October 30, 2017.
(2) For airplane Model CL-600-2C10, S/N 10003 through 10346 inclusive; Models CL-600-2D15 and CL-600-2D24, S/N 15001 through 15436 inclusive; and Model CL-600-2E25, S/N 19001 through 19055 inclusive; equipped with oxygen box assembly P/N 9324601[ ]505/507/509/511, 9324614[ ]505/509, D114601[ ]501/503/505/507/509, D114602[ ]503/507/511, or D114603[ ]501 (where “[ ]” indicates the décor finish code letters): Within 8,800 flight hours or 48 months, whichever is first, after the effective date of this AD, repack the assembly, replace the packaging placard, and re-identify the assembly in accordance with paragraphs 2.A. and 2.B. of the Accomplishment Instructions of Bombardier Service Bulletin 670BA-35-015, dated October 30, 2017.
For Model CL-600-2C10, CL-600-2D15, CL-600-2D24, and CL-600-2E25 airplanes: After accomplishment of the actions required by paragraph (g)(2) of this AD, if applicable, or within 30 days after the effective date of this AD, whichever is later, no person may operate any airplane with oxygen box assemblies packed using Bombardier Aircraft Maintenance Manual (AMM) task 35-21-13-860-802, “Repack and Stowage of the Flight Attendant Oxygen Mask,” or 35-21-17-860-802, “Repack of the Passenger Mask in the Lavatory.”
Note 1 to paragraph (h): The AMM tasks identified in paragraph (h) of this AD have been superseded by AMM tasks 35-21-13-860-804, “Repack and Stowage of the Forward and Aft Flight Attendant Oxygen-Mask,” 35-21-13-860-806, “Repack and Stowage of the Third Flight Attendant Oxygen-Mask,” and 35-21-17-860-803, “Repack of the Passenger Mask in the Lavatory.”
The aircraft, engines and makers this AD names, by the model designations in its text. A model listed here may still be outside the AD's serial ranges.
Aircraft