EASA AD G-2022-0012
SUPERSEDED BY CAA UK AD G-2023-0003
Summary
Civil Aviation Authority Airworthiness Directive G-2022-0012 addresses the BAe ATP aircraft series, focusing on the flight data recorder (FDR) and data acquisition and recording unit (DARU). This directive mandates increased frequency of data downloads and inspections to detect and prevent moisture ingress issues affecting the FDR, particularly on aircraft equipped with large freight doors.
What Changed
This Airworthiness Directive introduces a requirement to perform FDR/DARU data downloads every six months, starting within three months of the effective date, to verify correct functioning and detect moisture ingress. It follows findings from a serious incident investigation and a related safety recommendation, prompting BAE Systems to issue a service bulletin increasing inspection frequency and working on a protective modification.
Why It Matters
This directive is critical for operators and maintenance organizations to ensure the reliability of flight data recording systems, which are essential for flight safety and incident investigations. Moisture ingress can cause intermittent recording faults, potentially compromising data integrity. Compliance helps prevent equipment failure and supports ongoing airworthiness and regulatory adherence.
What To Do
Operators of BAe ATP aircraft must perform an FDR/DARU data download and inspection within three months of 29 June 2022 and repeat every six months thereafter, following BAE Systems Service Bulletin ATP-31-027. Any signs of moisture must be reported to BAE Systems, and the inspection area must be dried before closing. Findings after each inspection must be communicated to BAE as specified.
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