As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT NOT GROUNDED: PILOT REPORTS STARTED DESENT FROM FL 380 GOT AUTO FAIL LIGHT ON PRESSURIZATION ALT LIGHT ILLUMINATION SHORTLEY AFTER ALT LIGHT WENT OUT CONTINUED DESENT TO 10000 CABIN PRESSURE STAYED AROUD 9000'. MAINTENANCE PERFORMED DCPC BITE TEST IAW FIM 21-31-00. ALL TEST GOOD.