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Atlas/ ELOS Findings/ AT03561EN-E-P-19

FAA · Equivalent Level of Safety Finding

INFORMATION: Equivalent Level of Safety (ELOS) Finding for Rotor Growth Assessment for the Rolls-Royce (RR) Trent 1000-TEN Series Engine Models, Project No. AT03561EN-E; Trent 7000 Series Engine Models, Project No. AT03491EN-E; Trent XWB-97 Engine Model, Project No. AT03591EN-E

AT03561EN-E-P-19 Current Issued 06/13/2017 PDF ↗

What is an ELOS finding?

An Equivalent Level of Safety finding allows a project to deviate from a specific 14 CFR requirement when the alternative is shown to provide equivalent safety. Project-specific — not a precedent for other applicants.

14 CFR sections deviation applies to

  • § 21.21
  • § 33.27