Overview
- Japan’s Transport Safety Board reported no soot or burn traces in the cargo hold or on the airframe after on-site inspection.
 - The local investigation phase at Kansai ended on September 15 following interviews with pilots, cabin crew, and air traffic controllers.
 - United Flight 32 from Narita to Cebu diverted about 1.5 hours after takeoff on September 12 due to a cargo-compartment fire warning.
 - All 142 people evacuated via slides, and five passengers suffered minor injuries during the evacuation.
 - Investigators said a malfunction of smoke sensors or the alert system is among the possibilities under review, with FDR and CVR data now being analyzed.