The Breakdown
Inspections at the following airports found scales that were off by too much or too little.
Atlanta: 264 scales tested, 2 faulty; 99 percent compliance.
Chicago's O'Hare: Of 134 scales tested, 3 were faulty; 97 percent compliance.
Dallas: Of 118 scales, 7 were faulty; 94 percent compliance.
Houston: Of 65 scales, 1 was faulty; 98 percent compliance.
JFK: Of 608 scales, 48 were faulty; 92 percent compliance.
LaGuardia: Of 133 scales, 9 were faulty; 93 percent compliance.
Denver: Of 225 scales, 4 were faulty; 98 percent compliance.
San Francisco: Of 359 scales, 13 were faulty; 96 percent compliance.
LAX: Of 144 scales, 26 were faulty; 82 percent compliance.