As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLIMBING THROUGH 10000 FEET HEARD LOUD BANGS; AIRCRAFT SHOOK; OBSERVED N1 REDUCED TO APPROX 60% N1. REDUCED POWER AND ENGINE INDICATIONS RETURNED TO NORMAL. DID NOT DECLARE EMERGENCY. ENGINE NUMBER 1. REMOVED AND REPLACED #1 ENGINE PER [AMM 71-00-02-401-NG/ MT 771-00-01 SEE TTG8Q00USQ5P FOR WORK ACCOMPLISHED.