As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 AND NR 2 BUS TIE TRIPPED WITH PHASE UNBALANCE UPON FLAP EXTENSION, STARTED SHEDDING CB S, EQUIPMENT COOLING, COOLING FANS, BOOST PUMPS AND A & B SYSTEM PUMP. DID NOT LOOSE GENERATORS. *S/D* NR 3 GENERATOR FIELD WINDING OUT OF LIMITS. FOUND A PHASE WOULD NOT CARRY HEAVY LOAD. REPLACED NR 3 GENERATOR.