Airworthiness directives › 2023-25-01
AD 2023-25-01 Airworthiness Directives; MHI RJ Aviation ULC (Type Certificate Previously Held by Bombardier, Inc.) Airplanes
Applicability*9
This AD applies to MHI RJ Aviation ULC (Type Certificate previously held by Bombardier, Inc.) airplanes, certificated in any category, identified in paragraphs (c)(1) through (3) of this AD. (1) Model CL-600-2C10 (Regional Jet Series 700, 701 & 702) and CL-600-2C11 (Regional Jet Series 550) airplanes, serial numbers (S/N) 10001 through 10348 inclusive. (2) Model CL-600-2D15 (Regional Jet Series 705) and CL-600-2D24 (Regional Jet Series 900) airplanes, S/N 15001 through 15499 inclusive. (3) Model CL-600-2E25 (Regional Jet Series 1000) airplanes, S/N 19001 through 19064 inclusive.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Except as specified in paragraph (h) of this AD: Within 24 months after the effective date of this AD, inspect each Y-belt for correct installation and damage and, if any incorrect installation or damage is found, within 24 months after the effective date of this AD, do all applicable corrective actions, in accordance with paragraph B, “Procedure,” of the Accomplishment Instructions of MHI RJ Service Bulletin 670BA-25-135, Revision B, dated November 25, 2022. For this AD, damage includes dents or misshapen hooks that attach the belt to the seat. Note 1 to paragraph (g): Y-belts are also known as lap belts.
Unsafe condition
This AD was prompted by a report of a passenger seat Y-belt (lap-belt) re-installed in the wrong orientation, due to an incorrect maintenance manual. The FAA is issuing this AD to detect and address Y-belts that are incorrectly installed. The unsafe condition, if not addressed, could result in passenger injury due to head impact on the front monument during an emergency landing.
Affected ADs
None.
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