EASA AD US-2020-03-11: Fuel - Fuel Quantity Indicating System - Modification

What to do

Operators and maintenance providers of affected Boeing 707, 720, and 720B aircraft should review FAA AD 2020-03-11 and plan for the required FQIS modifications. Although no affected aircraft are currently registered in EASA states, stakeholders should monitor any future registrations and ensure compliance if applicable. For further information, contact EASA Safety Information Section at ADs@easa.europa.eu.

Summary

EASA Decision to adopt FAA AD 2020-03-11 is an airworthiness directive addressing the modification of the fuel quantity indicating system (FQIS) on certain Boeing 707, 720, and 720B aeroplanes. The directive aims to prevent the development of an ignition source inside the center fuel tank caused by electrical fault conditions. Although no affected aircraft are currently registered in EASA member states, the decision aligns with FAA safety measures.

What changed

This decision adopts the FAA Airworthiness Directive 2020-03-11, which requires modification of the FQIS on specified Boeing 707, 720, and 720B models. The modification is intended to eliminate potential ignition sources within the center fuel tank due to electrical faults. EASA initially suspended adoption pending further data but has now confirmed the justification and proportionality of the required actions.

Why it matters

The adoption of FAA AD 2020-03-11 by EASA ensures harmonized safety standards for operators and maintenance organizations managing Boeing 707, 720, and 720B aircraft. It addresses a critical safety risk related to fuel tank ignition sources, helping to prevent potential accidents. Compliance teams must be aware of this directive to maintain regulatory conformity and ensure aircraft safety.

What to do

Summary

What changed

Why it matters

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