Landing Gear - Retraction-Extension and Nose Wheel Steering Electronic Control Unit - Operational Limitation
- Published
- Effective
- Deadline
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Operators of RRJ-95 aircraft with serial numbers 95007 to 95031, 95033 to 95074, and 95076 to 95232 must perform the LGSCU software update to version SJ100V108 as specified in Service Bulletin RRJ-32-00354-БД. The modification must be completed by March 10, 2022, and results reported to PJSC Corporation IRKUT. Additionally, pilots must confirm the fuselage landing gear doors indication is green on the EWD before retracting the landing gear after liftoff.
Summary
The Airworthiness Directive 2020-FATA-01020A-06 issued by the Federal Air Transport Agency of the Russian Federation addresses operational limitations for the Landing Gear Retraction-Extension and Nose Wheel Steering Electronic Control Unit (LGSCU) on RRJ-95 aircraft. It mandates modification of the LGSCU software to version SJ100V108 and specifies operational procedures to prevent collisions between the main landing gear and fuselage landing gear doors during retraction. The directive applies to RRJ-95 aircraft with specific serial numbers and avionics software version V530 or higher.
What changed
This directive introduces a mandatory modification of the LGSCU from part number 10-345203-005 to 10-345203-006 by updating the software to SJ100V108. It also requires operators to verify the fuselage landing gear doors position indication is green on the Engine Warning Display before retracting the landing gear after liftoff. The directive enforces compliance with the associated Service Bulletin RRJ-32-00354-БД for affected aircraft.
Why it matters
This directive is critical for aviation professionals to prevent mechanical collisions that could damage the main landing gear and fuselage doors, ensuring continued airworthiness and safe operation of the RRJ-95 fleet. Operators and maintenance organizations must implement the software update and follow operational procedures to avoid costly repairs and potential safety hazards. Compliance ensures adherence to regulatory requirements and maintains aircraft reliability.
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