What was found
WHILE DESCENDING, AT APROX FL340 THE CREW OBSERVED 2 LARGE BANGS SOUNDED LIKE COMPRESSOR STALLS. FLT ATTENDANT NOTED BANGS LOUDER IN BACK THAN WHAT PERCEIVED IN FRONT. AFTER LOUD BANGS, RT FADEC FAIL MESSAGE WAS ILLUMINATED. FOLLOWED THAT CHECKLIST WHILE TURNING TOWARDS OKC. VERY HIGH ITT AND LOW OIL PRESSURE NOTED. ONCE THE ENGINE WAS SHUT DOWN USING THE CHECKLIST HYD PUMP 2B FAILED MESSAGE ILLUMINATED. LOW PRESSURE ON HYD 2 SYS WAS NOTED. FLT SPOILER FAIL WAS ILLUMINATED ON SHORT FINAL. CONTINUED WITH FLT SPOILERS YELLOW ON NR 2 & VISUALLY FLT SPOILERS PARTIALLY DEPLOYED WITH YELLOW OBSERVED IN SYNAPTIC. INCREASED SPEED SLIGHT & MADE AN UNEVENTFUL LANDING. UNSURE IF ONE SYS FAILED CAUSED THE OTHER SYS FAILURE. NO FLUID OR LEAKS WERE OBSERVED ON POST FLIGHT. RT ENG INDICATES 11 QUARTS OF OIL ON POSTFLIGHT. REMOVED LT ENG FMU REMOVED. INSTALLED CUSTOMER SUPPLIED, REPAIRED LT ENGINE FMU IAW EMM 73-21-03. TECH MM. PERFORMED OPERATION TEST AND LEAK CHK ON THE LT FMU NO DEFECTS NOTED AT THIS TIME. WORK PERFORMED IAW EMM 71-00-00. TECH MM.