As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 693 SMOKEY HAZE IN AFT CABIN WITH ELECTRICAL SMELL, CORRECTIVE ACTION: FOUND APU BATTERY TO BE SOURCE OF SMOKE AND SMELL. REPLACED APU BATTERY AND CHARGER PER B757 AMM 24-31. TESTS GOOD. C/W NO GO ODI PROCEDURES. OK FOR SERVICE. (8568626)