Airworthiness directives › 2020-21-02
AD 2020-21-02 Airworthiness Directives; Kidde Aerospace & Defense
Models named: BD-500-1A10, BD-500-1A11, A330-200, A330-300 series, 737 series, DHC-8-400 series, ERJ 170-100 STD, ERJ 190-100 STD, -300, -400. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
(1) This AD applies to the Kidde Aerospace & Defense cargo fire extinguisher halon bottles having part numbers and serial numbers identified in Table 1 of the service information identified in paragraphs (c)(1)(i) and (ii) of this AD. (i) Kidde Aerospace & Defense Service Bulletin 473957-26-518, Rev 02, dated November 4, 2019. (ii) Kidde Aerospace & Defense Service Bulletin 473919-26-521, Rev 02, dated November 7, 2019. (2) These affected cargo fire extinguisher halon bottles are installed on various transport category airplanes including, but not limited to, the airplanes identified in paragraphs (c)(2)(i) through (vii) of this AD, certificated in any category. (i) Airbus Canada Limited Partnership (type certificate previously held by C Series Aircraft Limited Partnership (CSALP); Bombardier, Inc.) Model BD-500-1A10 and BD-500-1A11 airplanes. (ii) Airbus SAS Model A330-200 and A330-300 series airplanes. (iii) The Boeing Company Model DC-9-81 (MD-81) airplanes, and Model 737 series airplanes. (iv) MHI RJ Aviation ULC (type certificate previously held by Bombardier, Inc.) Model CL-600-2B19 (Regional Jet Series 100 & 440) airplanes, Model CL-600-2C10 (Regional Jet Series 700, 701 & 702) airplanes, and Model CL-600-2C11 (Regional Jet Series 550) airplanes. (v) De Havilland Aircraft of Canada Limited (type certificate previously held by Bombardier, Inc.) Model DHC-8-400 series airplanes. (vi) Embraer S.A. Model ERJ 170-100 STD airplanes, and Model ERJ 190-100 STD, -300, and -400 airplanes. (vii) Saab AB, Saab Aeronautics (formerly known as Saab AB, Saab Aeronautics) Model SAAB 2000 airplanes.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
For this AD, the definitions specified in paragraphs (g)(1) through (3) of this AD apply. (1) Group 1: Boeing Model 737-8 and 737-9 airplanes, and Model 737-700, 737-800, and 737-900ER series airplanes. (2) Group 2: Transport category airplanes other than those identified as group 1. (3) Affected part: A cargo fire extinguisher halon bottle, manufactured by Kidde Aerospace & Defense, having a part number and serial number that is identified in the service information identified in paragraphs (c)(1)(i) and (ii) of this AD. Note 1 to paragraph (g)(3): The terms “cargo fire extinguisher halon bottles” and “fire extinguishers” are used interchangeably in this AD and the service information identified in paragraphs (c)(1)(i) and (ii) of this AD, and in paragraphs (i)(1)(i) and (ii) of this AD.
Unsafe condition
This AD was prompted by a report indicating that certain cargo fire extinguisher halon bottles had low charge pressure. Low charge pressure of a cargo fire extinguisher halon bottle installed in the cargo compartment, if not addressed, could result in insufficient halon concentrations to extinguish a fire in the cargo compartment.
Affected ADs
None.
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1