As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: L1 DOOR EMERGENCY POWER SUPPLY UNIT BATTERY (10WL) SCHEDULE TIME CHANGE IN REFERENCE WITH JOB CARD NUMBER 26C00033004, PART SENT BAD FROM STOCK. **SUPPLEMENTAL REPORT FOR AALA202201076407: REPLACED BATTERY 10WL. SYSTEM TEST OK.** (CLOSED)