---
title: "ADR.OR.C.020 Findings and corrective actions — Part-ADR.OR · Avioverse"
description: "After receipt of a notification of findings, the aerodrome operator shall:"
url: "https://avioverse.aero/regulations/easa/aerodromes/organisation-requirements-part-adr-or/subpart-c/adr-or-c-020"
---

# ADR.OR.C.020 Findings and corrective actions

ANNEX III — Organisation Requirements (Part-ADR.OR) · Regulation (EU) No 139/2014 · EAR revision 13 Mar 2026

IR Implementing rule

## ADR.OR.C.020 Findings and corrective actions

After receipt of a notification of findings, the [aerodrome operator](https://avioverse.aero/glossary/easa/aerodrome-operator) shall:

(a) identify the root cause of the non-compliance;

(b) define a corrective action plan; and

(c) demonstrate the corrective action implementation to the satisfaction of the [Competent Authority](https://avioverse.aero/glossary/easa/competent-authority) within the period agreed with that authority as defined in ADR.AR.C.055(d).

(d) inform the ground handling organisations at the [aerodrome](https://avioverse.aero/glossary/easa/aerodrome) of the action taken to address the non-compliance when the non-compliance directly affects the safety risk within, or the responsibilities of, those ground handling organisations.

\[applicable from 27 March 2028 — Regulation (EU) 2025/21]

IR · ADR.OR.C.020 — Regulation (EU) No 139/2014 · Regulation (EU) 2025/21 · Aerodromes Easy Access Rules · EAR revision 13 Mar 2026

AMC Acceptable means of compliance

## AMC1 ADR.OR.C.020(b) Findings

GENERAL

The corrective action plan defined by the [aerodrome operator](https://avioverse.aero/glossary/easa/aerodrome-operator) should address the effects of the non-compliance, as well as its root cause.

AMC · AMC1 ADR.OR.C.020(b) — Regulation (EU) No 139/2014 · ED Decision 2014/012/R · Aerodromes Easy Access Rules · EAR revision 13 Mar 2026

GM Guidance material

## GM1 ADR.OR.C.020 Findings

GENERAL

(a) Preventive action is the action to eliminate the cause of a potential non-compliance or other undesirable potential situation.

(b) Corrective action is the action to eliminate or mitigate the root cause(s), and prevent recurrence of an existing detected non-compliance, or other undesirable condition or situation. Proper determination of the root cause is crucial for defining effective corrective actions to prevent recurrence.

(c) Correction is the action to eliminate a detected non-compliance.

GM · GM1 ADR.OR.C.020 — Regulation (EU) No 139/2014 · ED Decision 2014/012/R · Aerodromes Easy Access Rules · EAR revision 13 Mar 2026

GM Guidance material

## GM1 ADR.OR.C.020(d) Findings and corrective actions

INFORMATION FOR GROUND HANDLING ORGANISATIONS

The information may be distributed through existing means or procedures, such as amendments to an [aerodrome](https://avioverse.aero/glossary/easa/aerodrome)’s procedures, and revisions of the aerodrome’s manual and other documentation.

\[applicable from 27 March 2028 — ED Decision 2025/009/R]

GM · GM1 ADR.OR.C.020(d) — Regulation (EU) No 139/2014 · ED Decision 2025/009/R · Aerodromes Easy Access Rules · EAR revision 13 Mar 2026

[All rules in SUBPART C — ADDITIONAL AERODROME OPERATOR RESPONSIBILITIES (ADR.OR.C)](https://avioverse.aero/regulations/easa/aerodromes/organisation-requirements-part-adr-or/subpart-c)

Consolidated from the EASA Easy Access Rules (revision 13 Mar 2026, extracted 13 Oct 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.