As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE WARNING IN AFT LAVATORY DURING FLT. RESET DETECTOR SYSTEM, CHECKED GOOD. INSPECTING BOTH ENGINE PRESSURE REGULATING VALVES TO ENSURE NO LEAKS BEHIND FAN BLADES AND INSPECTED THE APU COMPARTMENT FOR ANY OIL OR FUEL LEAKS. INSPECTED ALL THREE BLEED SOURCES, BOTH PACKS AND RESET DETECTOR PERFORMED BLEED RUNS WITH ALL THREE BLEED SOURCES WITH NO DEFECTS FOUND AND INSPECTED ENGINES WITH NO LEAKS FOUND.