Treat the pan as one observation
An AC removes moisture from indoor air. That water should travel through its drainage system. A blocked drain, damaged pan, or melting ice can cause leaks, but the technician must identify the actual path in your installation. Carrier AC water-leak guidance.
A pan that looks dry at one moment does not establish what happened earlier or what a concealed drain connection is doing. Rain, plumbing, and other sources may also need to be considered. We would not label the leak “definitely the AC” from the ceiling location alone.
Photograph the stain and active dripping from a safe floor-level position. Record when cooling ran, when the leak appeared, recent rain, and whether water continued after cooling stopped. Move belongings only if it is safe. Do not poke the ceiling, seal a pipe, or pour chemicals into an unidentified drain.
Request tracing and protection checks
Ask the HVAC provider to inspect the indoor equipment's drain collection and discharge route, connections, and any installed overflow protection. Ask whether ice was present and whether the leak occurs while the unit is running or after shutdown.
The report should show where water escaped and how the proposed repair stops it. A clear drain at one accessible point is not sufficient evidence if the water path has not been checked.
Ask how the repair will be verified without exposing the ceiling to more uncontrolled leaking. Any damaged ceiling, insulation, or electrical components may need separate inspection and repair by the appropriate trade.
Keep the repair and damage work connected
Save photos, invoices, and the diagnostic report if an insurer or restoration provider becomes involved. Those records document observations; coverage is determined through the policy and claim process.
Your next step is an HVAC leak-tracing visit plus property protection as needed. Tell the provider that the attic pan appears dry but the ceiling below is being damaged. Leave cooling off until the source is resolved and the provider explains when it is appropriate to use the system again.