Suspected Unapproved Parts Details
On 21st of January 2026, the Civil Aviation Authority of the Czech Republic published an Aircraft Engine Alert to inform about improper engine overhauls by Aeromotory s.r.o. and subsequent decision to withdraw their CZ.145.0106 approval.
In addition, the Civil Aviation Authority of the Czech Republic, informed EASA that some of the engines might not have been returned to their owners.
Pending conclusions of law enforcement investigations, and according to available information at time of publication, the engines as listed in the latest issue of the notification from the Civil Aviation Authority of the Czech Republic, released to service with EASA Form 1 certificates issued by CZ.145.0106 Aeromotory s.r.o, are to be considered as unapproved parts and not eligible for installation on an aircraft.
Suspicious Aircraft Engine Alert (Update) - Civil Aviation Authority
Aircraft owners, operators, manufacturers, maintenance organisations, parts suppliers, and parts distributors should inspect their aircraft, aircraft records, and/or parts inventories for any of the listed engines, and equipment thereof, approved for return to service as overhauled by CZ.145.0106 Aeromotory s.r.o.
Any such engines/equipment discovered installed on an aircraft should be removed and an appropriate approval for return to service inspection/action accomplished. Any such engines/equipment in existing aircraft stock should be quarantined to prevent installation until eligibility for installation is determined.