What was found
WHEN ADDING POWER FOR CLIMB OUT OF 3000 FT, 4 LOUD BANGS HEARD & LT ENG ROLLED BACK TO WINDMILLING RPM. APPEARED TO BE A FADEC COMMANDED ENG SHUTDOWN. NO ABNORMAL INDS PRIOR SHUTDOWN, & EICAS MESSAGES WERE EXPECTED FOR CONDITION AFTER SHUTDOWN. POST FLT INSP, FOUND NOTHING ABNORMAL. RT ENG NORMAL DURING FLT. ACCOMPLISHED LT ENG BORESCOPE INSP & NOTED COMPRESSOR DAMAGE. PREPPED & SAFETIED ACFT FOR ENG REMOVAL. RECONFIGURED THE REPLACEMENT ENG. ACCOMP TEARDOWN & REMOVAL OF LT ENGINE. ACCOMP BUILD UP & INSTALLATION REPLACEMENT ENG. ACCOMP LT ENGINE CHECKS,CHECK GOOD, NO LEAKS IAW EMM 71-00-00-760-804 AND AMM 71-00-00/400.