Emergency crews addressing the chemical incident at a Southern California aerospace facility have identified a possible crack in an unstable tank. This could potentially be relieving pressure inside the vessel. In a video update on social media, Orange County Fire Authority Interim Chief T.J. McGovern mentioned that specialized teams entered the danger zone late Saturday night for a reconnaissance mission. They visually detected what seemed to be a crack in the central tank of the crisis.
“The team found a potential crack in the tank, which might be relieving some internal pressure,” McGovern stated. Officials are working to confirm this discovery as it may influence the strategies employed for managing the incident.
With this new information, it could change our trajectory and our strategy to this event,” McGovern expressed.
The overnight operation was the first successful close-range inspection of the tank since the emergency escalated last Thursday night at GKN Aerospace in Garden Grove. Here, crews are striving to prevent a catastrophic failure involving methyl methacrylate, or MMA, a volatile and flammable chemical used in plastics.
The leak was found at the aerospace manufacturing plant that produces engine structures and parts for commercial and military aircraft. Authorities have previously warned that the weakened tank could rupture, spilling hazardous chemicals, or explode during a “thermal runaway” event. This could potentially ignite adjacent tanks and create a more significant disaster.
The identified crack offers a glimmer of hope for a more favorable situation than initially feared, though the danger is not entirely averted. “We’re not there yet, but this was a step in the right direction,” McGovern commented.
Governor Gavin Newsom declared a state of emergency in Orange County as California responds to this hazardous chemical situation in Garden Grove. More than 40,000 residents remain evacuated as officials continuously track temperatures, air quality, and structural safety around the facility.
Gov. Newsom previously proclaimed the state of emergency on Saturday, as crews moved from defensive containment to high-risk offensive actions to avert an explosion. McGovern commended firefighters and hazardous materials specialists involved in the night mission, emphasizing that public safety remains the paramount concern before residents can return home.
“We want to get you back, but we cannot do that until it’s deemed safe,” he assured.
Additional updates are anticipated later, as engineers and hazardous materials experts assess the new findings in greater detail.
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