EASA SIB 2007-28
Improper repair of Messier-Bugatti hydraulic pumps, installed on Eurocopter AS332 helicopters - DGAC France AD F-2007-010
EASA Airworthiness Directive F-2007-010 addresses the improper repair of Messier-Bugatti hydraulic pumps installed on Eurocopter AS332 helicopter models including AS 332 C, C1, L, L1, and L2. The directive identifies specific part and serial numbers of affected hydraulic pumps that have experienced seal deterioration due to incorrect liner positioning during repair. This issue has led to loss of hydraulic power systems on affected helicopters.
Airworthiness DirectiveMaintenanceSafety MgmtEurocopter AS332