As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: L/G SYSTEM DISAGREE MSG AFTER LANDING AIRCRAFT RETURNED TO PHL FOR MAINTENANCE. PER TSM 32-31-00-810-842-A. FOUND 25GA PROX. SENSOR FAULTED PERFUNCTIONAL TEST 32-31-00-720-003-A. R&R PROX SENSOR 25GA AND RE-SHIMMED PER AMM 32-31-73-400.