are under maintenance

USAGE SUMMARY

The phrase "are under maintenance" is correct and usable in written English.
It is typically used to indicate that something, such as a service or system, is currently not operational due to maintenance work being performed. Example: "The website is currently down because the servers are under maintenance."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

4 human-written examples

SSE plays its part by keeping its plant in good working order so they are ready when grid need them – and we let them know in good time when they are under maintenance.

The Guardian - Business

You could attack the three boats that aren't at sea and are under maintenance in HMNB Clyde, or Faslane.

Vice

Dialysis disequilibrium syndrome most often occurs in patients who have just started hemodialysis, during hemodialysis, or soon after hemodialysis; although it may also occur in patients who are under maintenance hemodialysis with pre-existing neurological disease.

BMC Nephrology

DDS most often occurs in patients who have just started hemodialysis, during hemodialysis, or soon after hemodialysis; although it may also occur in patients who are under maintenance hemodialysis with pre-existing neurological disease [ 3- 5].

BMC Nephrology

Human-verified similar examples from authoritative sources

Similar Expressions

56 human-written examples

The tutorial states it is under maintenance.

Columbia University

The one Chinese aircraft carrier in service, the Liaoning, is under maintenance.

The Washington Post

The LHC has been under maintenance since the end of 2015, so there is no additional data taken since the initial announcement on December 18th last year.

The Guardian

A website known for ardently supporting Mr. Bo, Wuyouzhixiang, appeared to be blocked, displaying only a notice that the site was under maintenance.

The New York Times

During port times, parameters should be handled with care because the logging systems may be under maintenance, switched off or data might be unreliable due to heavy maintenance activity on the ship's superstructure.

Nature

Tepco said it had shut down its three working reactors at the plant, though there were fears that the other three, which had been under maintenance, could leak water.

Independent

That facility, located on Japan's Pacific coast in northeastern Fukushima prefecture, was made up of six boiling-water reactors (BWRs) constructed between 1971 and 1979, three of which were operational and one of which was under maintenance, its fuel having been stored out of the core in the reactor's spent fuel storage pool.

Britannica

Expert writing Tips

Best practice

When reporting downtime, use “"are under maintenance"” to clearly communicate a temporary interruption for necessary upkeep. This informs users without causing undue alarm.

Common error

Avoid using “"are under maintenance"” without providing an estimated timeframe. Lack of clarity about when the service will be restored can lead to user frustration and confusion.

Linguistic Context

The phrase "are under maintenance" functions as a descriptive phrase, indicating that a particular entity (system, equipment, etc.) is currently undergoing a process of repair, upkeep, or improvement. As confirmed by Ludwig AI, it is grammatically correct and understandable in written English.

Expression frequency: Rare

Frequent in

Science

30%

News & Media

30%

Wiki

15%

Less common in

Encyclopedias

10%

Formal & Business

10%

Academia

5%

Ludwig's WRAP-UP

The phrase "are under maintenance" is a grammatically sound and widely understood way to indicate that something is temporarily out of service for repairs, updates, or general upkeep. As Ludwig AI confirms, the phrase is correct and usable in written English. While the phrase is not extremely frequent, it's appropriate across a variety of contexts, including science, news, and general announcements. When using "are under maintenance", it's best practice to provide an estimated timeframe for service restoration to manage user expectations and prevent frustration.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

is undergoing maintenance

Uses a more formal tone to describe the maintenance process.

is being serviced

Focuses on the action of servicing rather than the state.

is out of service

Emphasizes the unavailability of the item or service.

is offline for maintenance

Highlights the state of being offline due to maintenance.

is temporarily unavailable

Highlights the temporary nature of the unavailability.

is currently being repaired

Specifies the repair aspect of the maintenance.

is being upgraded

Implies maintenance is to improve the thing.

is down for repairs

More informal way of saying something is unavailable for repair.

is not operational

States the item is not working at the moment.

is being overhauled

Suggests a thorough and extensive maintenance process.

FAQs

What does it mean when something "is under maintenance"?

It means that a service, system, or piece of equipment is temporarily unavailable because it's undergoing necessary repairs, updates, or general upkeep. It's a planned downtime to ensure optimal performance.

What can I say instead of "are under maintenance"?

You can use alternatives like "is being serviced", "is out of service", or "is undergoing maintenance" depending on the context.

How long do things usually "are under maintenance"?

The duration varies greatly depending on the complexity of the maintenance required. It could range from a few minutes for minor updates to several hours or even days for more extensive repairs or upgrades.

Is "under maintenance" the same as "under repair"?

While similar, "under maintenance" is broader and can include routine checks and updates, whereas "under repair" specifically implies that something is broken and being fixed.