FAA Eyes Cracks in Rolls-Royce Engines: More Checks Ahead for Airlines
Published Date: 3/16/2026
Proposed Rule
Summary
The FAA wants to keep Rolls-Royce Trent 1000 engines safe by checking for cracks in a key part called the IP compressor vanes. If cracks show up, inspections will happen more often or the part will be replaced. This affects airlines using these engines and could mean extra maintenance costs, with feedback due by April 30, 2026.
Analyzed Economic Effects
3 provisions identified: 0 benefits, 3 costs, 0 mixed.
Replacement Costs for Cracked VIGVs
If a cracked IP compressor VIGV must be replaced, the FAA's table lists replacement labor as 110 work‑hours at $85 per hour and parts cost of $12,657 per replacement. The FAA states it cannot determine how many engines will need these replacements.
Mandatory Inspections for Trent 1000 Engines
The FAA proposes required repetitive borescope inspections (BSIs) for cracks in the intermediate pressure (IP) compressor variable inlet guide vanes (VIGVs) on all listed Rolls‑Royce Trent 1000 engine models (A2, AE2, C2, CE2, D2, E2, G2, H2, J2, K2, L2). If cracks are found, the rule would require shorter inspection intervals or removal of the engine from service and replacement of the IP compressor VIGVs.
Estimated Borescope Inspection Cost
The FAA estimates each borescope inspection (BSI) of the IP compressor VIGVs takes 6 work‑hours at $85 per hour, equal to $510 per engine. The FAA estimates the proposed AD would affect 28 engines on U.S. registry, for a total estimated inspection cost to U.S. operators of $14,280.
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