As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB THERE WAS A PACK ODOR, PACKS FULL COLD. FLIGHT ATTENDANTS REPORTED SMOKE DETECTORS IN LAVATORY SOUNDING. FLIGHT CREW WENT TO MANUAL ON PACKS AND SELECTED A WARMER SETTING. SMELL AND ALARMS CEASED IN ABOUT 2-3 MINUTES. OK REST OF FLIGHT. MAINTENANCE FOUND APU OIL LEAK AT LOP SWITCH. MAINTENANCE REPAIRED SAME. APU LEAK CHECK GOOD. APU INLET AREAS CLEANED AND PACK BURNOUT/OPN 5089 PERFORMED. MAINTENANCE ALSO REPLACED BOTH WATER SEPARATOR BAGS.