FAA Tightens Helicopter Engine Maintenance Rules
Published Date: 7/10/2026
Proposed Rule
Summary
If you own or maintain Safran Arrius 2B2 helicopter engines, the FAA wants you to update your maintenance manuals with new, stricter rules to keep engines safe. These changes mean following tighter schedules and limits to avoid problems. You’ve got until August 24, 2026, to share your thoughts before these updates become official—and yes, this might mean some extra maintenance costs.
Analyzed Economic Effects
4 provisions identified: 1 benefits, 3 costs, 0 mixed.
You must update engine maintenance limits
If you own or maintain Safran Arrius 2B2 engines, the FAA proposes you must update the airworthiness limitations section (ALS) of the engine maintenance manual or instructions for continued airworthiness and your approved maintenance/inspection program to incorporate the actions, thresholds, intervals, and life limits specified in EASA AD 2026-0027 (dated February 11, 2026). This proposed AD would replace AD 2023-15-03 and requires compliance with those revised, more restrictive tasks and limits.
FAA cost estimate for compliance
The FAA estimates this AD would affect 212 Arrius 2B2 engines on U.S. registry and estimates the cost to revise the ALS as 1 work-hour at $85 per product (total estimated cost to U.S. operators: $18,020).
Shorter compliance deadline: 90 days
Where EASA required revising the Aircraft Maintenance Program within 12 months after its effective date, the FAA instead requires revising the ALS of the engine maintenance manual or approved maintenance/inspection program within 90 days after the effective date of this FAA AD. Comments on the NPRM are due by August 24, 2026.
Owner/operator may perform and log the update
The proposed AD allows the owner/operator holding at least a private pilot certificate to perform the required action and enter compliance in the aircraft records, with entries maintained per 14 CFR 91.417 and other applicable recordkeeping rules. That means a certificated owner/operator (private pilot or higher) can do the revision and record it in the aircraft logbooks.
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