EASA AD 2020-0096
Airplane Flight Manual — Section Normal Procedures / Electronic Circuit Breaker — Amendment
Summary
EASA Airworthiness Directive 2020-0096 is an amendment to the Airplane Flight Manual Section Normal Procedures concerning the Electronic Circuit Breaker for Pilatus PC-24 aeroplanes. This directive applies to all PC-24 aircraft serial numbers and mandates changes to the preflight check procedures to address a specific safety issue. The directive was issued by EASA to ensure continued airworthiness and safe operation of the affected aircraft.
What Changed
EASA Airworthiness Directive 2020-0096 requires the insertion of a temporary revision (TR 02371-016) into the Pilatus PC-24 Airplane Flight Manual. This amendment changes the electronic circuit breaker check procedure before engine start to prevent circuit breakers from being in a locked state unnoticed. Operators may also comply by incorporating a later approved revision of the AFM that includes this change.
Why It Matters
This directive is critical for aviation professionals because it addresses a safety risk where electronic circuit breakers could be locked after maintenance, potentially causing loss of power to equipment without crew awareness before takeoff. Compliance ensures that operators and maintenance personnel follow updated procedures to detect and correct this condition, thereby maintaining aircraft safety and regulatory compliance.
What To Do
Operators of Pilatus PC-24 aeroplanes must amend the Airplane Flight Manual within 30 days of the directive's effective date by inserting the specified temporary revision and informing all flight crews. They must then operate the aircraft according to the updated procedures. Alternatively, incorporating a later approved AFM revision that includes this change is acceptable for compliance.
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