Tail Rotor – Damper Bracket – Inspection
Superseded. Comply with 2022-0205, which replaces this document.
- Published
- Effective
- Deadline
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Operators of AB139 and AW139 helicopters must perform detailed visual inspections of the tail rotor damper bracket within 50 flight hours or 2 months from 15 August 2022, whichever occurs first, and repeat inspections at intervals not exceeding 50 flight hours or 6 months. Corrosion must be removed before next flight, and cracked parts must be replaced before next flight. Installation of affected parts is prohibited from the effective date.
Summary
EASA Airworthiness Directive 2022-0154 is an airworthiness directive issued for Leonardo S.p.A. AB139 and AW139 helicopters. It addresses the inspection and potential replacement of tail rotor damper bracket assemblies with part number 3G6420A06131 due to detected cracks caused by stress corrosion. The directive mandates repetitive inspections and corrective actions to ensure continued safe operation of affected helicopters.
What changed
This directive introduces mandatory repetitive detailed visual inspections of the tail rotor damper bracket assembly for cracks and corrosion. It requires removal of corrosion or replacement of the affected part with a serviceable part if cracks or persistent corrosion are found. Additionally, it prohibits installation of affected parts on any helicopter from the effective date.
Why it matters
This directive is critical for aviation professionals as it addresses a potential unsafe condition that could lead to tail rotor damper failure and loss of helicopter control. Operators and maintenance organizations must comply to prevent in-flight failures and ensure regulatory compliance. The inspections and corrective actions help maintain aircraft airworthiness and safety.
More for Leonardo S.P.A. Helicopters AB139
All 46- EASA AD 2020-0271R1Main Rotor – Swashplate Boot – InspectionOct 8, 2026
- EASA AD 2025-0094R2Electrical Power – Overhead Panel Wires Interference – Inspection / ModificationAug 26, 2026
- EASA AD 2026-0165Engine Exhaust – Nozzle Exhaust Duct Clamp Assembly – InspectionAug 18, 2026
- EASA AD 2025-0094R1Electrical Power – Overhead Panel Wires Interference – Inspection / ModificationJul 3, 2026
- EASA AD 2026-0003Time Limits / Maintenance Checks — Airworthiness Limitations Section — Amendment
Get the next one by email
New ADs and bulletins for Leonardo S.P.A. Helicopters AB139, S.P.A. Helicopters AW139, AB139 and AW139, summarized like this page, every Monday.