What was found
FLT 7176 - STL - NR 1 AND NR 2 TRANSPONDER INOPERATIVE. MAINTENANCE REPLACED ATC CONTROL HEAD. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLT 7176 - STL - NR 1 AND NR 2 TRANSPONDER INOPERATIVE. MAINTENANCE REPLACED ATC CONTROL HEAD. (M)