As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB AT ABOUT 15000 FT, THE A/C LOST THE LT ELECTRIC SYSTEM AND ALL NAVIGATION CAPABILITIES. FURTHER HAD AN AC CROSS TIE LOCKOUT AND THE APU STOPPED WORKING. EMERGENCY DECLARED. R & R THE LT ENGINE GENERATOR, AND APU GCU AS A PRECAUTION.