As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IDA-LIGHT HAZE SMOKE CAME IN CABIN AND COCKPIT. LAVATORY SMOKE WARNING WENT OFF. RAN CHECKLIST AND CLEARED SMOKE. ALARM IN LAVATORY TURNED OFF. REMOVED AND REPLACED NR 1 AND NR 2 NL PROBES AND PORT SEALING TUBE PACKINGS. REMOVED AND REPLACED NR 2 ENGINE P2.5 AND P3 PRESSURE VALVE AND AIR CYCLE MACHINE. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.