According to Chapter 32, what story did Sai Baba narrate from his own experience?

According to Chapter 32, Sai Baba himself narrated a sweet and wondrous story from his past. This incident, described as extremely beneficial to listeners, was about an unexpected Guru-darshan that occurred while Baba was in the forest. The chapter highlights the wondrous nature of the Guru's deed and promises that listening to this story, which came from Sai's own mouth, can grant devotion, faith, and liberation. The power of Baba's words is compared to the sight of the Ganga, which destroys sins and afflictions.