Arrived on the job site, and the customer stated that their AFCI breaker was consistently tripping. I offered to perform a full circuit troubleshoot, but the customer declined. During the safety evaluation, I noticed a wet spot on the ceiling near a 6-inch surface-mount light fixture. I informed the customer that this moisture could be contributing to the breaker tripping. The customer agreed to proceed with diagnosing and replacing the light fixture only. While replacing the fixture, I observed significant water damage on the old light. I inspected the connections and confirmed that the wiring and junction box were dry and free of water damage—the moisture was isolated to the fixture itself. After installing the new surface-mount light fixture and restoring power, the breaker remained on and everything operated properly. I informed the customer that the new fixture is covered by a five-year warranty. However, if the AFCI breaker trips again and it’s unrelated to the light fixture, a
