https://en.wikipedia.org/wiki/Firestone_Tire_and_Rubber_Company
During the 1970s, Firestone experienced major problems with the Firestone 500 radial. The Firestone 500 steel-belted radials began to show signs of separation of the tread at high speeds. While the cause was never proved, it is believed that the failure of bonding cements, used by Firestone to hold the tread to the tire carcass, may have allowed water to penetrate the tire which in turn may have caused the internal steel wire to corrode. In March 1978, the U.S. National Highway Traffic Safety Administration (NHTSA) announced publicly a formal investigation into defects of the Firestone 500. The NHTSA investigation found that the tread separation problem was most probably a design defect affecting all Firestone 500's.
In 1973, only two years after the 500's debut, Thomas A. Robertson, Firestone's director of development wrote an internal memo stating "We are making an inferior quality radial tire which will subject us to belt-edge separation at high mileage".[19] Firestone introduced strict quality control measures in an attempt to fix the inherent problems, however they were not successful in totally eliminating the basic faults. In 1977 a recall of 400,000 tires produced at the problematic Decatur plant was initiated. Firestone was considered to be less than cooperative with the NHTSA during the agency's investigation into the Firestone 500. Firestone blamed the problems on the consumer, stating underinflation and poor maintenance.
On October 20, 1978, Firestone recalled over 7 million Firestone 500 tires,[20] the largest tire recall to date. Congressional hearings into the 500 also took place in 1978. The tire was found to be defective and the cause of 250 deaths. In May 1980 after finding that they knew the tires were defective, the NHTSA fined Firestone $500,000 USD, which at that time was the largest fine imposed on any U.S. corporation and the largest civil penalty imposed since passage of the 1966 National Traffic and Motor Vehicle Act. Multiple lawsuits were settled out of court and the constant negative publicity crippled the company's sales and share price.[21]
Harvard Business School and Wharton School taught classes and wrote papers on the issues of misjudgments and poor decision making by the management of Firestone.[21][22] After years of bad publicity and millions paid out in compensation to victims, Firestone was losing vast amounts of money, and its name was severely damaged.[23][24][25]
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