What was found
PDIS 692 21-01 2094012 27OCT19 SYR CLOSE SMELL OF SMOKE ON DESCENT COMING FROM FO'S VENT. SM ELL WAS STRONGEST DURING HEAVY PRECIP. FACT 27OCT19 11:41 SYR INSPECTED AND FOUND A/C IN ELE BACKUP MODE. REMOVED ALL PWR FROM A/C. C/W TASK 24-60-00-810-820-A. CREW PWR'D UP A/C. ALL SYSTEMS CHECK NORMAL WITH NO ABNORMAL EICAS MSG'S. CREW GRD RAN BOTH ENG'S WITH NO ABNORMAL INDICATIONS. NO SMOKE OR FUME SMELLS. A/C OK FOR SERVICE. -PCS-