EASA AD 2022-0235
Time Limits / Maintenance Checks — Time Limits Manual / Maintenance Programme — Amendment
Summary
EASA Airworthiness Directive 2022-0235 is an amendment addressing the time limits and maintenance checks for Rolls-Royce Deutschland Ltd & Co KG RB211-535E4 series engines, commonly installed on Boeing 757 aircraft. This directive mandates compliance with the updated Rolls-Royce RB211-535E4 Time Limits Manual revision 56 dated 01 May 2022 to ensure continued airworthiness. It applies to all serial numbers of the RB211-535E4-37, RB211-535E4-B-37, and RB211-535E4-C-37 engine models.
What Changed
EASA Airworthiness Directive 2022-0235 supersedes several previous ADs and incorporates new and more restrictive maintenance instructions introduced in the latest revision of the Rolls-Royce RB211-535E4 Time Limits Manual. It consolidates earlier requirements from both EASA and CAA UK ADs into a single updated maintenance program. The directive requires operators to revise their Aircraft Maintenance Programme to include these updated instructions and thresholds.
Why It Matters
This directive is critical for aviation professionals as it ensures that maintenance and life limits for RB211-535E4 engines are up to date with the latest safety standards, preventing unsafe conditions. Operators and maintenance organizations must adhere to these updated requirements to maintain regulatory compliance and ensure engine reliability. Failure to comply could lead to unsafe operation and regulatory penalties.
What To Do
Operators must replace engine components before exceeding life limits and perform maintenance tasks within specified intervals as per the updated Time Limits Manual starting from 15 December 2022. They must revise the approved Aircraft Maintenance Programme within 12 months of the effective date to incorporate the new instructions. Any discrepancies found during maintenance must be corrected following Rolls-Royce approved procedures before the next flight or within specified compliance times.
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