What are the two acceptable means to establish a baseline CPCP under CS 26.304(a)?

A baseline CPCP can be established either according to AMC 20-20A Paragraph 9 or equivalent means, including a statement requiring corrosion control to Level 1 or better, and submitted to EASA for approval; or a baseline CPCP already exists for the type that is approved by EASA through the MRB and ISC using existing MRBR approval procedures or through an existing EASA AD.

What statement must be included in a baseline CPCP established under CS 26.304(a) option (a)?

The baseline CPCP must include a statement that requires to control corrosion to Level 1 or better.

To whom must a baseline CPCP established under CS 26.304(a) option (a) be submitted?

It must be submitted to EASA for approval.

Which amendment of CS 25.571 is referenced in CS 26.304(a) for demonstrating compliance?

CS 25.571 Amendment 19 or subsequent amendment is referenced.

Does CS 26.304(a) allow using an equivalent means to AMC 20-20A Paragraph 9 for establishing a baseline CPCP?

Yes, CS 26.304(a) allows establishing a baseline CPCP according to AMC 20-20A Paragraph 9 or equivalent means.

What is the corrosion control level required by the statement in a baseline CPCP under CS 26.304(a) option (a)?

The statement must require to control corrosion to Level 1 or better.

What is the role of the MRB and ISC in approving an existing baseline CPCP under CS 26.304(a) option (b)?

The MRB and ISC use existing procedures for EASA MRBR approval to approve the baseline CPCP.

Can an existing EASA AD be used to approve a baseline CPCP under CS 26.304(a) option (b)?

Yes, an existing EASA AD is one of the two ways to approve an existing baseline CPCP.

CS 26.304(a) CPCP

Q: How is compliance with point 26.304 of Part-26 demonstrated according to CS 26.304(a)?

Compliance with point 26.304 of Part-26 is demonstrated by complying with CS 25.571 Amendment 19 or subsequent amendment, or with points (a) or (b) of CS 26.304.

Q: What are the two ways an existing baseline CPCP can be approved under CS 26.304(a) option (b)?

An existing baseline CPCP can be approved by EASA through the maintenance review board (MRB) and industry steering committee (ISC) using existing procedures for EASA maintenance review board report (MRBR) approval, or through an existing EASA AD.

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CS 26.304(a) CPCP

ED Decision 2024/010/R

Compliance with point 26.304 of Part‑26 is demonstrated by complying with CS 25.571 Amendment 19 or subsequent amendment, or with points (a) or (b) of this CS:

(a) A baseline CPCP is established according to AMC 20‑20A Paragraph 9 or equivalent means, which includes a statement that requires to control corrosion to Level 1 or better, and is submitted to EASA for approval.

(b) A baseline CPCP already exists for the type that is either approved by EASA through the maintenance review board (MRB) and industry steering committee (ISC) using existing procedures for EASA maintenance review board report (MRBR) approval or through an existing EASA AD.

[Issue: 26/3]

[Issue: 26/5]

Details

Source-Title: CS 26.304(a) CPCP View latest amendments

Erulesid: ERULES-1963177438-17993 Compare versions

Domain: Additional airworthiness specifications

Amendedby: Issue 5

Applicabilitydate: 22 December, 2024

Entryintoforcedate: 10 December, 2024

Regulatorysource: ED Decision 2024/010/R Navigate

Regulatorysubject: Part-26, CS-26

Typeofcontent: CS (Certification specification)

Parentir: 26.304 Corrosion prevention and control programme

Origin: EASA

Category: EAR