What was found
AT APPROX 6000 FEET, A LOW AIR PRESSURE WAS NOTED ON NR 3 BLEED SHORTLY THEREAFTER THE NR 3 FIRE WARNING LIGHT ILLUMINATED INTERMITTENTLY. THE NR 3 ENGINE WAS SHUT DOWN AND AIRCRAFT WAS LANDED AT CAE WITHOUT INCIDENT. FOUND 13TH STAGE BLEED DUCT SEPARATED FROM ENGINE AT V-BAND CLAMP CONNECTION. NO DAMAGE NOTED AT DUCT FLANGES AND CLAMP WAS IN A 'TIGHTENED' CONDITION. RECONNECTED DUCT AND REPLACED CLAMP. PERFORMED ENGINE RUN WITH NO LEAKS NOTED. (M)