What was found
TQ DROP TO 0 PERCENT SUDDENLY ON NR 2 ENGINE (IFSD). PERFORMED ENGINE FAILURE CHECKLIST. ATTEMPTED RE-START UNSUCCESSFUL. SECURED NR 2 ENGINE. DECLARE EMERGENCY. LANDING IN PUJ UNEVENTFUL. PERFORMED DFDR DOWNLOAD PROCEDURE USING PORTABLE INTERFACE MODEL FA210 AS PER ETN NR E2-31-031 PAGE 1 AND 2. REMOVED AND REPLACED FUEL PUMP IAW PWC MM NR 72-01-40. REMOVED AND REPLACED HMU AS PER MM NR 73-21-61. REMOVED AND REPLACED TQ SENSOR IAW MM NR 77-13-61 AND REMOVED AND REPLACED AUTOFEATHER UNIT IAW MM NR 77-13-62. PERFORMED SEVERAL ENGINE RUNS IAW MM NR 72-00-00 WITH SATISFACTORY RESULTS. NO FLUCTUATIONS NOR LEAKS NOTED. A/C RELEASED FOR FCF TO VERIFY FOR TQ FLUCTUATIONS. FCF FOUND SATISFACTORY.