As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FIRE SYSTEM FAULT STATUS MESSAGE MDC REPORTS LT ENGINE FIRE LOOP B OPEN. FOUND PUSHED BACK CONTACT ON CONNECTOR J551 PIN EE R & R CONTACT IAW ESPM 20-16-43, FIRE SYS FAULT IS GONE, COMPLIED WITH OPS TEST OF THE FIRE EXINGUISHER SYSTEM IAW AMM 21-10-00-710-801(A01) OPS TEST GOOD. PERMANENTLY INSTALLED CONNECTOR J551 IAW SB670BA-71-012 REV A OF THE CRJ700. IAW SB 670BA-71-012.