As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STARTER GEN VIBRATION WAS CHECKED AFTER A NR 1 ENGINE EXHAUST PIPE WAS FOUND CRACKED. VIBRATION WAS ABOVE LIMITS AND THE STARTER WAS REMOVED AND REPLACED WITH O/H STARTER GEN. SERVICEABLE EXHAUST PIPE WAS INSTALLED. (CE07200506287) (K)