EASA Regulations for Rolls-Royce Corporation (Usa) 250 Series II

2 airworthiness directives and regulations affecting Rolls-Royce Corporation (Usa) 250 Series II.

EASA AD US-2022-10-06

Engine - Stage 3-4 Turbine Wheels - Replacement

The FAA Airworthiness Directive 2022-10-06 is a final rule addressing Rolls-Royce Corporation 250 series turboshaft engines, including models 250-C20, 250-C20B, 250-C20C (T63-A-720), 250-C20F, 250-C20J, 250-C20R variants, 250-C20W, 250-C300/A1, and 250-C300/B1. It mandates replacement of the 3rd-stage turbine wheel (P/N 23065818) and 4th-stage turbine wheels (P/N 23055944 or RR30000240) due to in-service turbine blade failures that caused power loss and engine shutdowns. This directive supersedes AD 2017-18-14 and updates the applicability to include an additional engine model.

Jun 23, 2022

Airworthiness DirectiveMaintenanceSafety MgmtRolls-Royce Corporation (Usa) 250 Series II

EASA AD US-2018-13-01

Engine Fuel & Control - Power Turbine Governor Bearing Assembly - Removal / Replacement

The Federal Aviation Administration's Airworthiness Directive 2018-13-01 addresses certain Rolls-Royce Corporation model 250-C turboshaft engines installed on single-engine helicopters. This directive mandates the removal and replacement of the power turbine governor (PTG) bearing assembly, part number 2544198, due to reports of engine power loss including a fatal accident. The directive aims to mitigate an unsafe condition by requiring installation of a bearing assembly eligible for installation.

Jul 16, 2018

Airworthiness DirectiveMaintenanceSafety MgmtRolls-Royce Corporation (Usa) 250 Series IIRolls-Royce Corporation (Usa) 250-C28Rolls-Royce Corporation (Usa) -C30Rolls-Royce Corporation (Usa) -C47Rolls-Royce Corporation 250-C