As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN PREFLIGHT CHECK MANIFOLD FAULT DETECT LOOPS BOTH IN (B) ILLUMINATED APU AND NR 2 ENGINE MANIFOLD FAULT LIGHTS. DEFERRED IAW MEL 36-12-03 REF. DMI NR 13215 IN PREFLIGHT CHECK, MANIFOLD FAULT DETECT LOOPS BOTH IN B ILLUMINATED APU AND NR 2 ENGINE MANIFOLD FAULT LIGHTS. CLEANED CONNECTOR TO CFD CONTROLLER. SYSTEM TEST GOOD IAW MM 26-16-00. THIS CLEARS DMI NR 13215. MAINTENANCE CONTROL NOTIFIED.