Electrical Power — Starter-Generator Drive Shaft — Inspection
- Published
- Effective
- Deadline
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Operators of Leonardo A119 and AW119MKII helicopters must inspect the starter-generator drive shaft within 50 flight hours or 3 months from 28 July 2022, whichever occurs first. If any cracks are found, the affected part must be replaced with a serviceable part before the next flight. Inspection results must be reported to Leonardo within 30 days, and all removal and installation must follow the updated procedures in Leonardo Alert Service Bulletin 119-121.
Summary
EASA Airworthiness Directive 2022-0148 is an official regulatory document addressing the inspection of the starter-generator drive shaft on Leonardo S.p.A. A119 and AW119MKII helicopters. It mandates a one-time inspection of specific starter-generator parts with part numbers 200SGL129Q-1 and 200SGL129Q-2 to detect potential drive shaft cracks that could lead to electrical failures. The directive also includes requirements for reporting inspection results and following improved removal and installation procedures.
What changed
EASA Airworthiness Directive 2022-0148 introduces a new mandatory inspection requirement for the starter-generator drive shaft on affected Leonardo A119 and AW119MKII helicopters. It requires operators to inspect the drive shaft within 50 flight hours or 3 months and to replace any cracked parts before further flight. Additionally, it enforces reporting of inspection outcomes and adherence to updated maintenance procedures.
Why it matters
This directive is critical for aviation professionals because a ruptured starter-generator drive shaft can cause a partial or complete loss of electrical power, potentially resulting in loss of helicopter control. Operators and maintenance organizations must comply to ensure continued airworthiness and safety. Compliance teams need to track inspection deadlines and ensure proper documentation and reporting to the manufacturer.
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