Well, damn...that's a shame.
I had no idea this place existed until earlier this year. This Spring my gal wanted to visit LA and I grudgingly consented, but memories of two psychosis-inducing traffic jams on a previous visit made me insist on staying at a hotel right next to LAX. Found the PB online, seemed interesting...and it was in (gritty, desolate) walking distance...directly under the approach to one of the runways.
Fun to stand under howling metal flying machines swooping overhead, and the Proud Bird was a impressive refuge with warm service, above average food and expansive grounds. Plus: planes!
Also Hall of Aviation History photos. Over drinks and dinner we enjoyed naming carriers and types of planes as they came in for a landing past the glass wall of the dining room.
But it seemed far too large for the amount of business we witnessed and kind of an...anachronism.
Unfortunate that it can't make it anymore.