What was found
"FADEC ALT" MANUAL THROTTLES AT T/O NR 2 WOULD NOT ACHIEVE "MAX POWER" AT FADEC BAR, BOTH EPR & N1 NOTED BELOW NR 1 & 3 ENG. FADEC MODE IN NORMAL AND ALT. ALL ENGINE PARAMETERS WITHIN SPECIFIED LIMITS OUTLINED IN JRH. PERFORMED MAX POWER ASSURANCE RUN. NOTED ALL ENGINE PARAMETERS WERE NORMAL, ALL ENGINES MADE 1.3 EPR WITH FADEC MODE IN NORMAL MODE. PERFORMED POWER ASSURANCE RUN ON ALL 3 ENGINE WITH FADEC SWITCH IN ALT MODE ALL ENGINE PARAMETERS WERE MATCHED ON ALL 3 ENGINES. FMU REPLACE PRECAUTIONARY ON 09MAY. INSTALLED NR 2 ENGINE FUEL PUMP IAW 73-12-01-4-2. INSTALLED NR 2 ENGINE FMU IAW AMM 73-21-01-4-2.