Why a Ceiling Stain Can Be Far From a Roof Leak
The stain is above one room, so it seems natural to look at the roof directly above it. Water does not always take the shortest route, and that can explain why a previous patch failed to solve the problem.

Why a roof leak appears away from its source
Once water passes the covering, it can follow the underside of decking, a fastener or a framing member. It may drip only where that route ends. The visible ceiling mark is evidence of water, but not a map pin for the opening in the roof.
If the mark returns, Pea Ridge Roofing Company can help you request a roof repair inspection. Explain when it appears and which room is affected; tracing the cause is the roofer’s job.
Chimney, wall and vent flashing leaks
A chimney has several places where roof water must be diverted around an interruption. Wall and pipe flashings have their own layered connections. A small opening higher up can create a stain farther downslope, especially when wind pushes rain toward a detail that sheds a lighter shower.
A surface sealant patch may cover one visible gap while leaving the actual water route unchanged. A useful repair explains which connection failed and how the new work restores it.

Intermittent roof leaks and other moisture sources
Water entry can depend on wind direction, how long the rain lasts and whether a drainage path fills. Keep the timing you have already noticed in mind when describing the issue. You do not need to conduct a hose test or enter an unsafe attic to provide more evidence.
A stain can also have a non-roof source, including plumbing or condensation. The inspection should remain open to that possibility, and the responsible trade may change once the cause is established.
Stopping roof leaks before ceiling repairs
Protect belongings and contain a drip only where safe. Keep away from a sagging ceiling or wet electrical equipment. Stop the source before treating the ceiling as a finished repair, then address drying and any damaged interior material with the appropriate trade.
If attic moisture is part of the picture, the roof ventilation page explains why adding another vent is not automatically the solution.
Have the water path checked
Describe the recurring stain and what happened after earlier repairs. That detail can help the next assessment start in a useful place.