Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG Engines
Published Date: 2/6/2026
Proposed Rule
Summary
If you own or work with Rolls-Royce Deutschland Trent 1000 engines, the FAA wants you to do new on-wing and in-shop checks for cracks or leaks in certain engine tubes. They’re updating inspection rules to keep engines safe, letting some inspections happen less often but adding new ones on the wing. Comments on these changes are open until March 23, 2026, so get ready to inspect and keep those engines flying strong!
Analyzed Economic Effects
4 provisions identified: 1 benefits, 3 costs, 0 mixed.
On‑condition replacement cost estimates
If inspections find cracking, damage, or air leakage wear, required replacements have substantial on‑condition costs: replacing IP8 air transfer tubes is estimated at $7,770 per engine, replacing HP3 air transfer tubes is estimated at $12,070 per engine, and replacing front bearing housing IP8 air feed tubes is estimated at $10,170 per engine. The FAA states it cannot predict how many engines will need replacements.
New on-wing tube inspections required
If you own or work with Rolls‑Royce Deutschland Trent 1000 engines (all listed Trent 1000‑AE3 through Trent 1000‑R3 models), the FAA proposes required initial and repetitive on‑wing visual inspections of the IP8 and HP3 air transfer tubes for cracking, damage, or air leakage wear. The FAA estimates each on‑wing inspection takes 4 work‑hours (4 x $85 = $340) per engine. Comments on the proposal are due March 23, 2026.
In‑shop inspection interval may increase
The proposed AD continues to require initial and repetitive in‑shop visual inspections of the IP8 and HP3 air transfer tubes and the front bearing housing IP8 air feed tubes, but it states the inspection interval for repetitive in‑shop inspections of the front bearing housing IP8 air feed tubes may be increased. The FAA estimates each in‑shop inspection takes 4 work‑hours (4 x $85 = $340) per engine.
FAA estimates U.S. impact and inspection total
The FAA estimates this proposed AD would affect four engines on U.S.‑registered aircraft. At the per‑engine inspection cost of $340, the agency lists the total cost on U.S. operators for each inspection action as $1,360 (4 engines x $340).
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Key Dates
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