Airworthiness directives › 2023-10-03
AD 2023-10-03 Airworthiness Directives; MHI RJ Aviation ULC (Type Certificate Previously Held by Bombardier, Inc.) Airplanes
Applicability*9
This AD applies to all MHI RJ Aviation ULC (Type Certificate previously held by Bombardier, Inc.) Model CL-600-2C10 (Regional Jet Series 700, 701 & 702), CL-600-2C11 (Regional Jet Series 550), CL-600-2D15 (Regional Jet Series 705), CL-600-2D24 (Regional Jet Series 900) and CL-600-2E25 (Regional Jet Series 1000) airplanes, certificated in any category.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Within 60 days after the effective date of this AD, revise the existing maintenance or inspection program, as applicable, to incorporate the information specified in Task 26-20-00-101, “Visual Check of the Engine Fire Extinguishing bottle pressure gauge” and Task 26-20-00-102, “Visual Check of the APU Fire Extinguishing bottle pressure gauge,” of Section 1, “Certification Maintenance Requirements,” Subject 1-26, “Fire Protection,” of the MHI RJ Model CL-600-2C10, CL-600-2C11, CL-600-2D15, CL-600-2D24, and CL-600-2E25 Series 550/700/705/900/1000 Airworthiness Limitations, Maintenance Requirements Manual (MRM)—Part 2, Volume 1, CSP B-053, Revision 26, dated March 25, 2022 (Task 26-20-00-101 and Task 26-20-00-102 of the MRM—Part 2, Revision 26). The initial compliance time for doing the tasks is at the phase-in time specified in Task 26-20-00-101 and Task 26-20-00-102 of the MRM—Part 2, Revision 26, or within 60 days after the effective date of this AD, whichever occurs later.
Unsafe condition
This AD was prompted by a determination that new or more restrictive airworthiness limitations are necessary. The FAA is issuing this AD to address an unannunciated loss or low quantity of fire extinguishing agent in the engine and auxiliary power unit (APU) fire extinguishing bottles. The unsafe condition, if not corrected, may lead to the inability to extinguish and suppress an engine or APU fire.
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