As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MANIFOLD 2 FAILED WARNING RECEIVED IN FLIGHT. FOLLOWED AOM CHECKLIST, THE NR 2 ENGINE THRUST REDUCED TO EXTINGUISH WARNING. NOTE - THE NR 2 BLEED VALVE INDICATED OPEN THE ENTIRE TIME. EMERGENCY DECLARED. PERFORMED FIM 36-23-03, FOUND SEVERAL CLAMPS ON THE NR 2 PNEUMATIC MANIFOLD. TIGHTENED THE CLAMPS IAW MM 36-14-02. PERFORMED LEAK CHECK IAW MM 36-14-03. ALL SATIS NO FURTHER AIR LEAKS NOTED.