What was found
UNCOMND ENG ROLLBACK AT FL280. SUSPECT ENG STALL. FELT SMOOTH ON LY AT IDLE. VIB AT CUTOFF. UNCOMMANDED, #2 ENGINE, ROLLBACK FLAGGED AS SDR. VERIFIED INLET COWL INSTALLATION TORQUE PER AMM 71-11-01-400-803-F00 AFTER ENGINE REMOVAL QC ACCOMPLISHED, FIREWALL INSPECTION, IN AFTER INLET COWL REMOVAL QC ACCOMPLISHED, INSPECTION, IN INSTALLED INLET COWL AS PER AMM 71-11-01-400-803-F00. ACCORDANCE WITH A AMM 71?00-02?400 NO LIMITING DEFECTS FOUND ACCORDANCE WITH A AMM 71?00-02?400 NO LIMITING DEFECTS FOUND COMPLETED ENGINE #2 INSTALLATION ON M&E CARD 58-7200-9-0004. ENGINE RUNS AND LEAK CHECK GOOD.