As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) IN CRUISE AT FL380 ENROUTE TO YVR, AIRCRAFT HAD TEMPORARY LOSS OF BOTH PACKS. BOTH PACKS RETURNED WITHIN APPROX 10 SECONDS. P/N FOR ASCPC AND S/W GIVEN ABOVE. OUTFLOW VALVE PART NUMBER IS 2119160-2. PER IPC 21-31-03-01, THIS IS AN UNAPPROVED COMBINATION, WHICH HAS SINCE BEEN CORRECTED. (TC 20091022003)