The cause of a 34-minute blackout at the Super Bowl remains under investigation, but public records released Monday show that Superdome officials were worried about a power outage several months before the big game.

An Oct. 15 memo released by the Louisiana Stadium & Exposition District, which oversees the Superdome, says tests on the dome’s electrical feeders showed they had “some decay and a chance of failure.”

 

The memo also cites 2011 blackouts that struck Candlestick Park, where the San Francisco 49erswere playing a nationally televised Monday night football game, as a reason for ordering the tests.

The board later authorized spending nearly $1 million on Superdome improvements, including more than $600,000 for upgrading the dome’s electrical feeder cable system.

“As discussed in previous board meetings, this enhancement is necessary to maintain both the Superdome and the New Orleans Arena as top tier facilities, and to ensure that we do More >