As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRONG BURNT PLASTIC SMELL ROWS 11-15 IN THE BACK OF THE CABIN (FLIGHT 6337) TROUBLESHOT STRONG BURNT PLASTIC SMELL ROWS 11-15 IN THE BACK OF THE CABIN, IAW FIM 21-22-00-810-806, IT WAS DISCOVERED THAT THE NR 2 HYD SYSTEM RESERVOIR HAD BEEN LEAKING HYD FLUID ALL OVER THE AFT EQUIPMENT BAY INCLUDING THE PACK DUCTS. SEE CP 32510369 FOR WORK COMPLETED AND PARTS REPLACEMENT. NO ABNORMAL SMELLS PRESENT AT THIS TIME.