What was found
CROSSBLEED START ON NR 2 ENGINE, N2 INDICATING 26% WHEN START LEVER BROUGHT UP TO IDLE. NO FUEL FLOW OR IGNITION INDICATION. FOLLOWED ABORTED START IAW QRH. ACFT GROUNDED. PERFORMED NR 2 ENGINE CROSSBLEED START TWICE. ENGINE START NORMAL, NO ABNORMAL PARAMETERS. NORMAL NR 2 ENGINE START USING APU, NO FAULTS NOTED. ALL IAW AMM 71-00-00-800-810-F00. VISUAL IMPELLER ROTATION INSPECTION IAW AMM 73-11-01-200-801, FOUND NO ROTATION. INSPECTED LUBRICATION FLOW SCREEN, NO CONTAMINATION. REPLACED FUEL FILTER IAW AMM 73-11-02. REPLACED THE FUEL PUMP, HMU, FUEL HEATER SERVO, AND HEAT EXCHANGER IAW EA 800-71EA-18794. RAN ENGINE BY CROSSBLEED START 2 TIMES, NORMAL STARTS.