1.) SYSTEM REQUIREMENTS FOR THE APPROVED MAINTENANCE ORGANIZATION (MOA – MAINTENANCE ORGANIZATION APPROVAL)

Anyone maintaining certified products (aircraft, engines, propellers) or parts and appliances and ETSO items in accordance with the approved Instructions for Continuing Airworthiness (ICA) requires regulatory approval.

Mandatory approval standard:
(EU) 1321 / 2014, Part 145 (for commercially and privately operated aircraft and their components).
The approval as a maintenance organization covers only the so-called scope of work (SoW – Scope of Work: complete aircraft and/or parts and appliances).

2.) MAIN TASKS OF AN APPROVED MAINTENANCE ORGANISATION

The main task of the approved maintenance organisation is:

• Ensure that contracted maintenance is performed and released in accordance with Part 145 and approved instructions for continued airworthiness.

2.1. PREREQUISITES FOR APPROVAL AS A MAINTENANCE ORGANIZATION

Important prerequisites for the approval activities on the part of the competent authority and the application (EASA Form 2) are:

• Existence of technical, organizational, and personnel requirements to be met for the assigned scope of work, i.e., for example:
  • Existence of qualified Certifying Staff to release aircraft or parts and appliances for operation after maintenance,
  • Existence of exact job planning considering requirements from instructions for continued airworthiness (AMM, CRM, CMM, SRM, etc.),
  • Availability of a safety manager function,
  • Existence of current instructions for continued airworthiness (AMM, CRM, CMM, SRM, etc.),
  • Existence of suitable locations, tools, and other equipment to perform maintenance in accordance with regulatory and DAH* requirements.

*Design Approval Holder

3.) PART 145 REQUIRES A QUALITY MANAGEMENT SYSTEM (QMS)

For effective and transparent control of processes and procedures, a quality management system (QMS) shall be established and described in a maintenance operation manual (MOE / MOH -Maintenance Organization Exposition / Maintenance Organization Manual) (145.A.70).

3.1. IMPORTANT SYSTEM AND PRODUCT RELEVANT PROCEDURES

Approved Maintenance Organization (MOA) procedures must address the following requirements, among others:

• resource-based maintenance order planning,
• Qualification of employees and certifying staff,
• Selection and monitoring of external suppliers (Supplier Management),
• Incident Management (Occurrence Reporting),
• Safety Management,
• Ongoing monitoring of the management system as part of compliance monitoring (e.g., by internal audits),
• Management of significant changes in the MO,
• Issuance of Certificates of Release to Service (CRS) after completion of maintenance,
• Procurement, warehousing, and providing of parts and materials for maintenance, archiving of records.

3.2. PRIVILEGES

Privileges of an approved maintenance organization (MOA) may include:

• Issue of a certificate of release to service (CRS) upon completion of maintenance for an aircraft (145.A.50(a)),
• Issue of EASA Form 1 certificate of release to service after completion of maintenance for a component for the following activities (145.A.50(d)):
  • Overhaul (Overhauled),
  • Repair (Repaired),
  • Inspection / Test (Inspected / Tested),
  • Modified (Modified),
• Issue of EASA Form 123 Certificate of Release to Service after implementation of a standard modification / standard repair to an ELA 1 or ELA 2 aircraft.

4.) ACC SERVICES IN THE AREA OF PART 145

4.1. CONSULTATION

• Support in the establishment of processes according to Part 145,
• Support in the establishment of complete management systems according to Part 145,
• Process and procedure optimization in maintenance companies according to Part 145,
• Support in the extension of the scope of approval (Scope of Work),
• Interim Management in the area of Comppliancemonitoringmanagement (CMM),
• Consulting for more efficient implementation of Part 145 requirements, process optimization,
• Introduction of safety management systems (SMS),
• Training concepts tailored to the scope of approval (human factors, SMS Part 145, air law, determination of conformity for certifying staff, materials management and supplier management, etc.),
• Project coaching of staff / teams (compliance manager, operations manager, certifying staff, purchaser, maintenance planner, work planner, project manager, etc.).

4.2. PRODUCTS

• Generic quality management manual with procedures
• Forms and checklists (depending on requirements and complexity)