1. Probable Cause / Reason:
•    Exposure to high temperatures, often from burning, welding, or fire, affecting the paint film.
•    Heat applied to the reverse side of steel plates, leading to discoloration, blistering, or detachment.
•    Excessive heat weakening the integrity of the paint film.

2. Correction:
•    Ensure that welding, burning, or any high-temperature processes are completed before applying paint.
•    Remove any damaged paint film caused by heat exposure.
•    Reapply the coating after ensuring the surface has cooled and is free of heat-related damage.

3. Corrective Action:
•    Clean the surface thoroughly to remove any degraded paint.
•    Reapply coatings suitable for high-temperature environments, ensuring proper surface preparation.
•    Implement temperature controls and ensure proper sequence of operations to avoid heat exposure during or after coating.

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