What was found
DESCENDING IN TO DALLAS WE GOT A GEN 1 OFF CAS ALONG WITH A VIBRATION. WE RAN THE CHECKLIST AND CONFIRMED A GEN 1 FAILURE AND THEN WE SHUTDOWN THE ENGINE PER THE CHECKLIST DUE TO THE VIBRATION. REMOVED NR 1 ENG STARTER GEN. FOUND BEARING IN STARTER GEN TO BE WORN BEYOND LIMITS, CAUSING SLIGHT VIBRATIONS ON NR 1 ENG. ALSO FOUND EXCESSIVE AMOUNTS OF OIL ON BACK SIDE OF THE STARTER GEN. REMOVED THE ACCESSORY DRIVE GEARSHAFT FRONT SEAL INSTALLED A NEW GEARSHAFT FRONT SEAL. INSTALLED A OVERHAULED 400SG180Q-4, ALL WORK PERFORMED IAW AMM 24-31-01, AND EMM 72-60-01. PERFORMED HIGH POWER ENGINE RUNS AND PERFORMED A LEAK CHECK. OPS CHECK GOOD. NO LEAKS NOTED.