EASA AD 2022-0236
Time Limits / Maintenance Checks — Time Limits Manual / Maintenance Programme — Amendment
Summary
EASA Airworthiness Directive 2022-0236 is an amendment addressing the Rolls-Royce RB211-535C-37 engines, commonly installed on Boeing 757 aircraft. This directive mandates compliance with updated time limits and maintenance checks as specified in the Rolls-Royce Time Limits Manual revision 40 dated 10 July 2022. It ensures continued airworthiness by enforcing new or more restrictive maintenance instructions for these engines.
What Changed
This directive introduces new and/or more restrictive maintenance instructions and life limits into the Rolls-Royce RB211-535C-37 Time Limits Manual since the previous revision. Operators must now comply with these updated thresholds and intervals to maintain engine airworthiness. The Aircraft Maintenance Programme must be revised within 12 months to incorporate these changes.
Why It Matters
For aviation professionals, this directive is critical to prevent unsafe conditions caused by failure to comply with updated maintenance limits. Operators and maintenance organizations must update their maintenance programs to reflect the new requirements, ensuring engine reliability and regulatory compliance. It also streamlines record-keeping by allowing AMP revision to demonstrate ongoing compliance.
What To Do
Operators of RB211-535C-37 engines must replace components before exceeding new life limits and perform maintenance tasks within updated intervals starting from 15 December 2022. Any discrepancies found during maintenance must be corrected per Rolls-Royce approved instructions before the next flight or within specified times. The approved Aircraft Maintenance Programme must be revised within 12 months after the effective date to include the new or more restrictive instructions.
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