As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(A3NB-23-3-6018) REMOVE AND REPLACE THE FWD CABIN EMERGENCY POWER SUPPLY. REFER TO N/R: 9619191. CHANGED DUE TO A FAILED BITE TEST. REMOVED AND REPLACED THE FWD CABIN EMERGENCY POWER SUPPLY. REFER TO N/R: 9619191. WORK ACCOMPLISHED. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1249105 SN OFF 5668 POWER SUPPLY, C OFF 31-3350-9-9001 5668 ON 31-3350-9-9001 8186.