As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
*** SUPPLEMENTAL SDR - FILED IN ERROR *** PACK 2 STATUS MESSAGE (LINKED ALERT T3F18E001DMGH) PERFORMED PACK #2 SYSTEM A AND B GROUND TEST IAW AMM 21-51-00, TEST FAILING PACK SYSTEM B CONTROLLER. SYSTEM B CONTROLLER WOULD NOT COME ONLINE EVEN AFTER CB RESTET. REPLACED PACK SYSTEM B CONTROLLER IAW AMM 21-62-06-404-005. PERFORMED OPERATIONAL CHECK IAW AMM 21-62-00-501-700-805. ALL SATIS PACK #2 OPERATING NORMAL WITHOUT ANY FAULTS.