What was found
AS REQUESTED FOLLOW-UP TO REPORT OF NR 1 ENGINE FAULT LIGHT ON FIRE/OH TEST. GROUNDED-YES. ACCOMPLISHED INSPECTION OF NR 1 ENGINE FIRE/OH DETECTORS LOOPS A AND B CONNECTIONS, PER TSR710220. FOUND TWO TERMINALS LOOSE ON HARNESS FOR THE CORE UPPER RIGHT AND CORE UPPER LEFT DETECTORS. REPLACED CORE DETECTOR HARNESS P/N 325-027-606-0 FOR NR 1 ENGINE. OPERATIONAL TEST PASSES, REF B737-800 AMM 26-11-02-400-802 AND AMM 26-11-00-710-801.