CAMO - MAINTENANCE OCCURRENCE REPORT (MOR)

The practical guide how to get things done!

Why do I need to file an Occurence Report?

Part CAMO.A.160 and AMC20-8 is the reverence why to make an occurrence report! Further to this, it's to collect, investigate and analyze systems to contribute to the improvement of aviation safety, and not to attribute blame, impose fines or take other enforcement actions. A report should be made to your national authority as per your CAME or notice from the authority. Usually, authorities provide you with guidance material on how to submit a MOR. Also, the Type Certificate Holder like the manufacturer should be made aware. A MOR has to be submitted within 72 hours.

When do I need to file an Occurence Report?

You will find a detailed list of findings that must be reported in AMC20-8. Here are some examples out of it:

- Defect or damage exceeding admissible damages to a Principal Structural Element that has been qualified as damage tolerant.

- Loss of any part of the aircraft structure in flight.

- Asymmetry of flight controls; e.g. flaps, slats, spoilers etc.

- Flameout, shutdown or malfunction of any engine.

- Damage or defect of main rotor gearbox / attachment which could lead to in flight separation of the rotor assembly, and /or malfunctions of the rotor control.

- Hot bleed air leak resulting in structural damage.

How is it done?

A report will be filled containing all information about the aircraft, reporting party, occurrence, and a lot of other information required. After the report is submitted there is a need for follow-up of the corrective action performed and may be further cooperation with the TC Holder has to be made to investigate on how this has happened and how it can be prevented next time.

"Please note this is a practical guide and for information only. Please refer to your company procedures and official documents.

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