Nemesis: Retaliation · Board game rules
How do I repel into a corridor with a Noise Marker?
Quick answer
Repelled Intruders move to the Corridor/Room with the lowest ID number if farther than adjacent; Noise markers don't block this movement. [p.31 — Repelling]
Details
When an Intruder is Repelled, it moves away from the source of the Repel effect. If the Intruder is farther away than an adjacent Corridor, it moves to the Corridor or Room with the lowest ID number. [p.31 — Repelling]
Noise markers do not prevent Intruders from moving into a Corridor. The rulebook states that "Noise markers are never placed in Corridors containing Intruders"—meaning if an Intruder moves into a Corridor with a Noise marker, the Noise marker is simply discarded first. [p.21 — Intruders and Noise Markers]
So a Repelled Intruder can absolutely move into a Corridor that has a Noise marker; the marker is removed as part of that movement.