As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT 38,000 MASTER CAUTION CABIN ALTITUDE EICAS MSG. AFTER LANDING CABIN ALT 2 STATUS MSG RAN FIM 21-30 FAULT TREE 802. #2 CABIN PRESSURE CONTROLLER FAULTED AC MOTOR. TECH RECOMMENDED REPLACING AC MOTOR & CABIN PRESSURE CONTROLLER. R&R'D CPC AND OUTFLOW VALVE AC MOTOR 2 (D2336). REF AMM 21-31-02 & 21-31-05. OPS CK OF CPC & AC MOTOR GOOD @ THIS TIME. PRESSURIZED A/C WITH NO FAULTS NOTED.