As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT NOT GROUNDED - DURING DESCENT BOTH NAVIGATIONAL DISPLAYS INDICATED "MAP NOT AVAIL" FOR ABOUT 15-20 SEC THEN RETURNED TO NORMAL. RESET FLIGHT MANAGEMENT GUIDANCE COMPUTER 1 & 2, OPERATIONAL CHECKS SATISFACTORY PER AMM 22-96-00-0501. PERFORMED LAND TEST SATISFACTORY PER AMM 22-97-00-0501. LMP STATUS - AIRCRAFT REMAINS CAT III DUAL STATUS PER TSM 22-83-00-0201.