As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLIMBING OUT OF 15,000 MSL, 270KIAS, AURAL OVER-SPEED SOUNDED. NO CAS MESSAGES PRESENT. PULLED AND RESET WARN AUDIO 1 AND WARN AUDIO 2 WITH NEGATIVE RESULTS. INSTALLED AIR DATA COMPUTER NR 1 REF MM 34-11-01. COMPLIED WITH LEAK TESTS IAW THE MM 34-90-10 AND FAR 91.411. COMPLIED WITH ALTITUDE CORRELATION TESTS IAW FAR 43 APP E PARA C. ALL TESTS PASSED. ACCOMPLISHED TEST OF OVERSPEED WARNING SYS IAW THE MM 34-90-10. ALL TESTS PASS.