Level of Repair Analysis (LORA)

What is level of repair analysis (LORA)?

Answered April 20 2019

Level of repair analysis ( LORA ) is a process used to determine when and where an asset should be repaired. LORA is intended to optimize repair decisions in order to minimize the overall life cycle costs of assets. The LORA process takes into account numerous factors, including:

  • The costs of different types of repairs, including diagnostics, parts, and labor
  • The impact asset failure could have on operations
  • The skills and equipment needed to complete specific repairs

After assessing what it would take to repair specific issues and how necessary those repairs would be, LORA determines the type of repair work that should be done and who should do it.

Under this methodology, you’ll typically have three repair levels to choose from. These levels are essentially where repair work is performed:

  • Organizational level (O-level), which is performed on the asset on site
  • Intermediate level (I-level), which is performed in dedicated maintenance areas or backshops
  • Depot level (D-level), which is performed off site, such as at an OEM factory

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How to do a level of repair analysis

For example, if a component were to break on a conveyor system, LORA would determine which of the following would be most appropriate:

  • Send a team of  technicians  to perform repairs at the conveyor’s location (O-level)
  • Take the broken part to a central shop (I-level)
  • Send the asset to the manufacturer for repairs (D-level)

In some cases, certain repairs would be considered too expensive, in which case  preventive maintenance  performed by a lower repair level would be preferred.

On the other hand, some failures wouldn’t be frequent enough to warrant continuous preventive measures. If they’re severe enough or happen to an asset that’s central to your operations, however, you’d still need to take care of it, even though it would require a higher (and likely more costly) repair level.

Key Takeaways

The ultimate goal of level of repair analysis is to make sure each asset gets exactly the amount of attention it needs to keep cycle life costs to a reasonable level while still meeting your operational requirements.

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