Ice and Rain Protection — Engine Cowl Anti-Ice — Ejector Pipe Chafing
- Published
- Effective
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Operators must perform a borescope inspection of the ejector pipe and seal within 8800 flight hours from 19 February 2026 and repeat inspections every 8800 flight hours thereafter. If inspection criteria are not met, the ejector pipe and seal must be replaced following the MHIRJ Service Bulletin SB 670BA-30-026 Revision B. Installation of inlet cowl assemblies with part numbers CN621-0101-001 or KCN621-0101-1 exceeding 8800 flight hours is prohibited unless inspected and confirmed acceptable.
Summary
EASA Airworthiness Directive CF-2026-09 addresses ice and rain protection issues related to engine cowl anti-ice ejector pipe chafing on MHI RJ Aviation ULC model CL-600-2C10, CL-600-2C11, CL-600-2D15, CL-600-2D24, and CL-600-2E25 aircraft. The directive mandates inspections and potential replacement of the ejector pipe and seal to prevent ice accumulation and engine shutdown. It applies to all serial numbers of the affected aircraft models.
What changed
This new airworthiness directive introduces mandatory borescope inspections of the engine cowl anti-ice ejector pipe and seal within 8800 flight hours, with repetitive inspections at the same interval. If damage is found, replacement of the ejector pipe and seal is required. It also prohibits installation of certain inlet cowl assemblies exceeding 8800 flight hours without inspection and re-identification requirements.
Why it matters
This directive is critical for aviation professionals to prevent unannunciated degradation of the engine cowl anti-icing system, which could lead to ice ingestion and engine shutdown. Operators and maintenance organizations must ensure compliance to maintain aircraft safety and airworthiness. The inspections and part replacements help mitigate risks associated with ejector pipe chafing that could compromise engine performance.
More for MHI RJ Aviation CL-600 (Regional Jet)
All 84- EASA AD CF-2026-48Pneumatic – 10th and 14th Stage Bleed Duct Damaged or Missing InsulationOct 7, 2026
- EASA AD CF-2026-43Ice and Rain Protection – Wing Anti-Ice – Aircraft Flight Manual Procedure Anomaly - AmendmentSep 11, 2026
- EASA AD CF-2026-09R2Ice and Rain Protection – Engine Cowl Anti-Ice – Ejector Pipe ChafingAug 5, 2026
- EASA AD CF-2026-09R1Ice and Rain Protection – Engine Cowl Anti-Ice – Ejector Pipe ChafingJun 22, 2026
- EASA AD CF-2026-07R1
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