The phrase "a minor fire" is correct and usable in written English.
It can be used to describe a fire that is small in scale and not particularly dangerous or damaging.
Example: "The firefighters quickly extinguished a minor fire in the kitchen before it could spread."
Alternatives: "a small fire" or "a little fire".
Six months later we had a minor fire in our building.
Sparks from a construction worker's torch started a minor fire at the Plaza Hotel yesterday, the Fire Department said.
A minor fire in Boston's Prudential tower yesterday morning, started when a trampled extension cord set some nearby plastic ablaze.
What turned out to be a minor fire in a dryer at an assisted living home for the elderly in West Hollywood — wholly unrelated to the arsons — drew a veritable battalion of firefighters and 10 fire engines.
But what appeared to be a minor fire in a hardware store on Astoria Boulevard in Queens turned ferocious when cans of combustible fluids apparently erupted in a tremendous explosion and a tumult of bricks and rubble.
A minor fire occurred on the north side of the bridge construction site; no damage was reported to the bridge structure.
The doors were set to open at 7, and the opening act, Mr. Young's wife, Pegi, was scheduled at 8. But a minor fire-code violation kept the doors closed until 9, on a cold night.
A minor fire-fight had taken place on the southern edge of Group B's advance when an Algerian company exchanged fire with 20 30 Viet Minh and suffered the first French fatalities.
Three months before Imperial's explosion Domino's Baltimore refinery suffered a minor blast and fire.
My Freshman Year: What a Professor Learned by Becoming a Student By Rebekah Nathan Cornell University Press; hardcover A MINOR brush fire flared through academe earlier this semester over a slim little volume called "My Freshman Year: What a Professor Learned by Becoming a Student".
Edinburgh central mosque, in the Potterrow area, suffered minor fire damage to the door and the garden after an object was thrown at the building at about 2.10am on Sunday.
