As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLT - FLT 337 - WHILE PASSING 18,000 FEET, FLIGHT LOST 2 OF 3 TRANSFORMER RECTIFIERS. FLIGHT RETURNED TO FIELD IN CLT AND LOST NR 2 MAIN BUS ON 2 NAUTICAL MILE FINAL. FLIGHT LANDED WITH NO FURTHER INCIDENT. MAINTENANCE REPLACED THE NR 2 ENGINE A/C HARNESS. OPS CHECK GOOD. (M)