As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE VISIT: MAINTENANCE REPORTS BOTH GPS'S FAILED DURING FLIGHT IN COCKPIT. MAINTENANCE PERFORMED TSM 34-36-00-810-873-A TSM 34-36-00-810-842-A AND TSM 34-36-00-810-844-A AND PERFORMED OPERATIONAL TEST OF THE GPS IAW AMM 34-36-00-710-008-A. TEST IS OK AND PERFORMED RESET OF THE MMR1 AND MMR2 AND PERFORMED BITE TEST OF THE MMR1, MMR2 IAW AMM 34-36-00-740-006-A. TEST ARE OK. GPS SYSTEM OPERATES CORRECTLY.