What was found
SIGNIFICANT VIBRATION ASSOCIATED WITH ALL TLA SETTINGS ON NR 2 ENGINE. LOTS OF BLACK SOOT UNDER SIDE OF NACELLE SINCE PREFLIGHT. (48 MIN FLIGHT). REMOVED FAILED STARTER GENERATOR. INSTALLED A REPAIRED STARTER GENERATOR REF AMM 24-31-01. PERFORMED STARTER GENERATOR UNSHEDULED REMOVAL. INSPECTOR REF EMM 05-50-00 OPS AND LEAK CHECK GOOD WITH NO DEFECTS NOTED. MAGNETIC SEAL P/N OFF/ON 3059820-01 NSN BREATHER SEAL P/N OFF/ON 3079823-01 NSN GENERATOR P/N 400SG180Q S/N S00088XL.