As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RADT 1 UNRELIABLE. READING OFT BETWEEN 500FT AND FL190. "TOO LOW TERRAIN" AURAL WARNING AFTER TAKE OFF.-C/A-CLEANED BOTH CAPT SIDE RAD ALT ANTENNAS. CAPT RADIO ALTIMETER OPT CHECKS GOOD PER AMM 34-31-00. ALSO CYCLED AIRCRAFT POWER TO RESET ALL SYSTEMS.