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What is Troubleshooting required?

Troubleshooting required Further diagnostic action needed to isolate cause of technical fault or failure not resolved by initial inspection.

Source: ICAO Doc 9432, FAA PCG

How is “Troubleshooting required” Used in Practice?

Maintenance notes indicate troubleshooting required for unresolved hydraulic leak; further action planned overnight.

Certification Exam Relevance

ICAO Level 4ICAO Level 5ICAO Level 6EASA FCL.055

Who Needs to Know This Term?

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

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Frequently Asked Questions

What is Troubleshooting required?

Further diagnostic action needed to isolate cause of technical fault or failure not resolved by initial inspection.

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