As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ELECTRICAL ARC SMELL IN FORWARD CABIN AND SEEMS STRONGER IN COCKPIT. FOUND SMELL TO BE COMING FROM THE ESS TRU IN THE EICC IN THE FORWARD EBAY. REMOVED AND REPLACED THE ESS TRU IAW AMM 24-31-01, OPS CHECK GOOD. AFTER CHANGING THE ESS TRU AND RUNNING THE PACK IAW AMM 21-51-00-710-801 FOUND ODOR TO BE GONE NOW, OPS CHECK GOOD.