Oxygen – Chemical Oxygen Generators – Replacement
Proposal for consultation. Not binding until EASA issues the final AD; the requirements can still change.
- Published
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Operators of affected Airbus aircraft must replace all identified chemical oxygen generators within specified timeframes ranging from 4 to 30 months depending on the aircraft's manufacture year. Replacement must follow the instructions in the Airbus Alert Operator Transmissions and Collins Aerospace Service Bulletin. Installation of affected parts is only allowed if they are serviceable and must be replaced subsequently as per the directive's requirements.
Summary
EASA Proposed Airworthiness Directive (PAD) No. 26-135 addresses the replacement of certain chemical oxygen generators installed on various Airbus aeroplanes including A310, A300, A318, A319, A320, A321, A330, and A340 models. The directive targets specific part numbers of chemical oxygen generators that have shown failures to activate during service and maintenance checks. This PAD aims to ensure the continued safety and airworthiness of affected aircraft by mandating the replacement of these oxygen generators.
What changed
This new proposed Airworthiness Directive introduces mandatory replacement requirements for chemical oxygen generators identified by specific part and serial numbers due to their failure to activate reliably. It establishes compliance timelines based on the aircraft's date of manufacture and regulates the installation of only serviceable oxygen generators going forward. The directive also references Airbus Alert Operator Transmissions and Collins Aerospace Service Bulletin for detailed replacement and activation procedures.
Why it matters
This PAD is critical for aviation professionals because it addresses a safety risk where oxygen generators may fail during emergencies, potentially endangering passengers and crew. Operators and maintenance organizations must comply to avoid unsafe conditions and regulatory penalties. The directive impacts maintenance planning, parts inventory management, and ensures continued compliance with EASA airworthiness requirements.
More for Airbus A300B4-601
All 3- EASA AD 2023-0017Time Limits / Maintenance Checks — Airworthiness Limitations Section Part 4 / System Equipment Maintenance Requirements — AmendmentJan 23, 2023
- EASA AD 2022-0192Time Limits / Maintenance Checks – Airworthiness Limitations Section Part 2 / Damage Tolerant Airworthiness Limitation Items – AmendmentSep 23, 2022
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