As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LANDING GEAR LGCIU 1 FAULT MESSAGE. GROUNDED - YES. CONFIRMED LGCIU 1 FAULT, BITE TEST FAILED. PER TSM 32-31-00-810-802-A REPLACED LGCIU 1, TEST OK. C/W OPS CHECK OF #1 ENGINE THRUST REVERSER PER AMM 78-31-00-710-042-A.TEST OK. NO FAULTS OR DEFECTS NOTED. A/C OK FOR SERVICE.