As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLIMBING THROUGH FL 190 SMOKE & FUMES IN THE CABIN & COCKPIT. LOUD NOISE HEARD AROUND ROW 10 & 11 ON LT SIDE OF ACFT. WHEN ISOLATING THE PROBLEM SMOKE & FUMES SEEMED TO GO AWAY WHEN DESELECTING PACK 1. NUMBER 1 PACK VERIFIED INOPERATIVE & DEFERRED IAW MEL 21-29. R & R NR 1 AIR CYCLE MACHINE IAW MM 21-51-03. OPERATIONS CHECKED GOOD IAW MM 21-51-00. MEL RESTORED.