Airworthiness Directive · Amendment 39-23068 · Doors
Embraer S.A. Airplanes
This AD applies to all Embraer S.A. Model EMB-545 and EMB-550 airplanes, certificated in any category.
The FAA is adopting a new airworthiness directive (AD) for all Embraer S.A. Model EMB-545 and EMB-550 airplanes. This AD was prompted by a jamming failure of the main door lock sensor. This AD requires repetitive main door sensor operational tests, repetitive lubrication of the main door sensor mechanism, and on condition actions. The FAA is issuing this AD to address the unsafe condition on these products.August 5, 2025.
Except as specified in paragraph (h) of this AD: Comply with all required actions and compliance times specified in, and in accordance with, Agência Nacional de Aviação Civil (ANAC) AD 2024-08-02, effective August 23, 2024 (ANAC AD 2024-08-02).
(1) Where ANAC AD 2024-08-02 refers to its effective date, this AD requires using the effective date of this AD.
(2) Where ANAC AD 2024-08-02 specifies on-condition actions, this AD requires performing the applicable on-condition actions before further flight.
(3) Where ANAC AD 2024-08-02 specifies to discard parts, this AD does not require that action.
(4) Where paragraph (c) of ANAC AD 2024-08-02 specifies to repeat the operational test “each 12 months”, this AD requires replacing that text with “at intervals not to exceed 12 months”.
(5) Where paragraph (e) of ANAC AD 2024-08-02 specifies to repeat the lubrication “each 24 months”, this AD requires replacing that text with “at intervals not to exceed 24 months”.
(6) This AD does not adopt paragraph (f) of ANAC AD 2024-08-02.
The following provisions also apply to this AD:
(1) Alternative Methods of Compliance (AMOCs): The Manager, International Validation Branch, FAA, has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19. In accordance with 14 CFR 39.19, send your request to your principal inspector or responsible Flight Standards Office, as appropriate. If sending information directly to the manager of the International Validation Branch, send it to the attention of the person identified in paragraph (j) of this AD and email to: AMOC@faa.gov. Before using any approved AMOC, notify your appropriate principal inspector, or lacking a principal inspector, the manager of the responsible Flight Standards Office.
(2) Contacting the Manufacturer: For any requirement in this AD to obtain instructions from a manufacturer, the instructions must be accomplished using a method approved by the Manager, International Validation Branch, FAA; or ANAC; or ANAC's authorized Designee. If approved by the ANAC Designee, the approval must include the Designee's authorized signature.
For more information about this AD, contact Hassan Ibrahim, Aviation Safety Engineer, FAA, 2200 South 216th St., Des Moines, WA 98198; phone: 206-231-3653; email: hassan.m.ibrahim@faa.gov.
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.
