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Related Experiment Videos

A blockchain-based traceability system for AI-driven engine blade inspection.

Mahmoud Hafez1, Eman Ouda1, M A Mohammed Eltoum1

  • 1Aerospace Engineering Department, Khalifa University of Science and Technology, Abu Dhabi, UAE.

Scientific Reports
|May 20, 2026
PubMed
Summary
This summary is machine-generated.

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BladeChain, a novel blockchain system, ensures immutable traceability for aircraft engine blade inspections. This enhances aerospace maintenance auditing and security by integrating multi-stakeholder data and automated scheduling.

Area of Science:

  • Aerospace Engineering
  • Computer Science
  • Supply Chain Management

Background:

  • Current aircraft engine blade maintenance relies on fragmented, auditable, and tamper-vulnerable inspection records.
  • Lack of immutable traceability hinders efficient auditing and security across manufacturers, airlines, maintenance organizations, and regulators.

Purpose of the Study:

  • To introduce BladeChain, a blockchain-based system for immutable traceability in aircraft engine blade inspections.
  • To enhance the security, auditability, and efficiency of the blade life cycle maintenance process.

Main Methods:

  • Developed a Hyperledger Fabric network integrating four stakeholders: OEM, Airline, MRO, and Regulator.
  • Implemented a chaincode-enforced state machine for automated inspection scheduling based on configurable thresholds.

Related Experiment Videos

  • Utilized IPFS for off-chain storage of inspection artifacts linked via SHA-256 hashes, recording AI model provenance on-chain.

    • Main Results:

    • Achieved 100% life cycle completion in prototype evaluations with consistent throughput of 26 operations per minute.
    • Demonstrated tamper detection within 17 ms through cryptographic hash verification.
    • Quantified consensus overhead compared to a centralized SQL baseline, highlighting security trade-offs.

    Conclusions:

    • BladeChain provides a secure, auditable, and tamper-evident ledger for aircraft engine blade maintenance traceability.
    • The system's pluggable detection module allows flexibility in adopting AI inspection models.
    • Blockchain technology offers significant improvements in aerospace maintenance data integrity and regulatory compliance.