Here is the background on Transtates RJ inspections...
TRANS STATES AIRLINES IS VOLUNTARILY TAKING AIRCRAFT OUT
OF SERVICE FOR MAINTENANCE INSPECTIONS TO ENSURE THAT
IT IS IN ABSOLUTE COMPLIANCE WITH AN FAA AIRWORTHINESS
DIRECTIVE INVOLVING THE NOSE WHEEL SYSTEM. TRANS STATES
OPERATES 54 DAILY AMERICAN CONNECTION DEPARTURES FOR
AMERICAN AIRLINES FROM STL TO 23 CITIES. CANCELLATIONS
HAVE BEEN MADE FOR APRIL 15 AND 16.