Sometime in late June, we undertook a troubleshooting job onboard MV Aargau in Sarawak, Malaysia. It was reported that AE#2 unexpectedly disconnected by itself without any operator action. The main challenge with this problem is its randomness. It happened 3 times over the past 6 months. Unfortunately, during this service job, we were unable to replicate nor witness the problem. Therefore, we could only rely on information that was reported by the crew. The problem happened o