On June 22, an All Nippon Airways (ANA) Flight 372, a Boeing 737-800 with the registration number JA88AN operated by ANA Wings, en route from Nagasaki to Nagoya/Chubu, experienced a cabin pressure loss warning during flight. The Ministry of Land, Infrastructure, Transport and Tourism has recognized it as a serious incident.
The flight departed Nagasaki at 9:36 AM. While cruising at an altitude of 31,000 feet, a warning light indicating a pressurization system malfunction lit up several times before turning off. However, as a precaution, the descent was initiated early. The warning light illuminated again while descending through approximately 27,000 feet. Around 10:30 AM, over Minabe Town in Wakayama Prefecture at an altitude of 25,000 feet, a warning for cabin pressure loss activated, prompting manual deployment of oxygen masks and the issuing of an emergency declaration, followed by a rapid descent. After reaching an altitude of 10,000 feet, where cabin pressure stabilized, the emergency declaration was lifted and the flight landed normally at 11:00 AM. The aircraft was parked for maintenance, and details are currently under investigation.
The flight had 104 passengers aboard, including 6 crew members and 98 passengers. Of these, 6 passengers reported feeling unwell on the day, and another reported discomfort in their ears later. Four cabin crew members reported feeling fatigued but were found to be in good health after medical examination.
ANA stated, “We sincerely apologize for the concern and inconvenience caused to passengers and all those involved in this incident. We will fully cooperate with the relevant authorities in their investigation.”
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