As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR INTERRUPT, EMER DECLARED, LANDING UNEVENTFUL & ACFT NOT OVERWEIGHT. DURING CRUISE, LT ENG GEN DRIVE FAILED & APU AUTO SHUTDOWN DURING START ATTEMPT. R & R APU BATTERY & CHARGER IAW AMM 24-31-03 & AMM 24-31-04. APU START & OPERATIONAL CHECK NORMAL. SEE ALSO AALA20150827006, FOR IDG FAILURE SEE AALA20150825002.