As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PREFLIGHT #2 FIRE HANDLE LIGHT DOES NOT ILLUMINATE DURING FIRE/OVERHEAT TEST. GROUNDED - YES. REFERENCE FIM 26-10 TASK 810, INSPECTED AND CLEANED # 2 ENGINE FIRE LOOP DETECTOR CONNECTIONS. RE-ACCOMPLISHED FIRE WARNING TESTS, TEST PASSED.