What was found
DURING FIRE TEST NUMBER ONE ENGINE FIRE HANDLE AND ASSOCIATED ENGINE OVERHEAT LIGHT DO NOT ILLUMINATE. GROUNDED - YES. BITE CK SHOWED ENGINE 1 LOOP B WIRING OPEN. CW ALT DEACTIVATION REF CHAP 5-07-01 TABLE 3 ITEM 3. OPENED AND TAGGED 12EA CB'S. CW B737-900 FIM 26-10 TASK 805 FOUND HIGH RESISTANCE AT DP1601 PIN 2. CLEANED AND TREATED LITE CORROSION AT CANON PLUG AND RECONNECTED DP1601. REVERSED ALT DEACTIVATION AND REMOVED TAGS AND RESET 12 EA CB'S. REPAIR CONFIRMATION TESTED GOOD.