As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CROSSBLEED START OF THE NR 2 ENGINE, HAD NO LIGHT OFF OR FUEL FLOW. ABORTED START AND FOLLOWED QRC AND QRH PROCEDURES. ACFT GROUNDED. ACCOMPLISHED EEC BITE, OBSERVED FAULT MESSAGE 73-31522, ATTEMPTED TO START THE NR 2 ENGINE OBSERVED BOTH ENGINE VALVE AND SPAR VALVE LIGHTS TRANSITION AND EXTINGUISH. NO FUEL FLOW OBSERVED. REMOVED AND REPLACED NR 2 ENGINE HMU. NO LEAKS NOTED, NO FAULTS, OPS CHECKED GOOD.