As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 3306 - CLT-CAK - NR 1 ALTIMETER FLAGGED ON CLIMB-OUT AT 8000 FEET, AIRCRAFT TURNED BACK AND LANDED IN CLT WITHOUT INCIDENT. REMOVED AND REPLACED NR 1 ALTIMETER. PROBLEM RETURNED LATER IN THE DAY. FOUND WIRES CHAFED AT RNAV COMPUTER 3461-1-P3-1. CAPPED AND STOWED WIRING, MEL'D RNAV COMPUTER.