As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BATTERY CHARGER FAILED IN FLIGHT. AFTER BLOCK IN STRONG BURNING ODOR IN CABIN. R & R BATTERY CHARGER IAW AMM 24-34-03. OPS CHECK TASK 24-34-03-710-801 PASSED OK FOR SERVICE. R & R LT, CTR, RT BATTERIES IAW AMM24-34-01 - OPS TASK 24-34-03-710-801 PASSED. OK FOR SERVICE.