---
title: "M.A.503 Life-limited parts and time-controlled components — Part-M · Avioverse"
description: "Installed life-limited parts and time-controlled components shall not exceed the approved limitation as specified in the AMP and ADs, except as provided…"
url: "https://avioverse.aero/regulations/easa/continuing-airworthiness/part-m/section-a-technical-requirements/m-a-503"
---

# M.A.503 Life-limited parts and time-controlled components

Annex I (Part-M) · Regulation (EU) No 1321/2014 · EAR revision 2 Sep 2025

IR Implementing rule

## M.A.503 Life-limited parts and time-controlled components

(a) Installed life-limited parts and time-controlled components shall not exceed the approved limitation as specified in the AMP and ADs, except as provided for in point M.A.504(b).

(b) When the approved limitation expires, the [component](https://avioverse.aero/glossary/easa/component) shall be removed from the [aircraft](https://avioverse.aero/glossary/easa/aircraft) for [maintenance](https://avioverse.aero/glossary/easa/maintenance), or for disposal in the case of life-limited parts.

IR · M.A.503 — Regulation (EU) No 1321/2014 · Regulation (EU) 2020/270 · Continuing Airworthiness Easy Access Rules · EAR revision 2 Sep 2025

[All rules in SECTION A — TECHNICAL REQUIREMENTS](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-m/section-a-technical-requirements)

Consolidated from the EASA Easy Access Rules (revision 2 Sep 2025, 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.