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Simulated workplace
Scenario · Quality, Safety and Training

Investigate a maintenance error and analyse the error trend

You are the assistant quality and safety officer.

Advanced4 to 5 hours8 tasks
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The situation

What has happened

A pitot cover was left fitted on a helicopter after a daily inspection at Sunshine Coast and found by the pilot on the walk around, self reported as SR-26-087. It is the third close up related error this quarter, after a fuel drain valve reinstalled without safety wire and a spanner unaccounted for in an engine bay. Daniel Okoro wants a maintenance error management investigation of the pitot cover event: interview the reporter under just culture principles, identify the contributing factors, and recommend controls. He then wants the three events analysed for common factors and a short report and human factors briefing prepared for the safety committee on 23 September.

Your brief. Investigate the pitot cover occurrence using the maintenance error management approach, identify contributing factors and controls, analyse the three recent events for common factors, update the safety register and prepare a committee report and a human factors briefing.
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Tasks

Deliverables

  • Investigation record with timeline and contributing factors
  • Control recommendations with owners and dates
  • Trend analysis across the three events
  • Updated safety register entries
  • Committee report and human factors briefing

Documents to use

Systems to use

Safety and Occurrence Reports

The safety management system register of occurrences, maintenance errors, hazards, injuries and lost tool events with investigation status.

Aircraft Work Orders

The register of line and base maintenance work orders and check inputs for every customer aircraft with their status and certifying engineer.

Tool Control and Calibration Register

The register of special tools, ground equipment and measuring and test equipment with calibration status, location and loan records.

For trainers and assessors

Units of competency

Current on training.gov.au for the Aeroskills Training Package as at 10 September 2026.

MEACOM0027Develop and manage maintenance error management programs
MEACOM0017Investigate technical aspects of aviation occurrences
MEACOM0025Manage risk in aviation maintenance
MEACOM0011Manage an aviation maintenance quality system

Qualifications

MEA50422Diploma of Aviation Maintenance Management
MEA60222Advanced Diploma of Aviation Maintenance Management
Assessor notes

What to look for

Evidence guide

The investigation must be blame free, establish a factual timeline and identify contributing factors rather than stopping at the individual. Controls must be ranked and practical. The trend analysis must find genuine common factors supported by the records. Look for correct handling of regulator reporting status and a briefing that would engage technical staff rather than lecture them.

The student's evidence summary lists every record they created or changed in the systems named above, their notes and the tasks they ticked. Verify it against the deliverables and your own assessment tool.