As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TAXIED OUT WITH ONLY NR 2 ENGINE USING DELAY ENGINE START. STARTED NR 1 ENGINE-STARTED NORMALLY. STARTER CUTOUT WAS NORMAL. GEN NR 1 WOULD NOT COME ON LINE. LOOKED DOWN AT ENGINE INSTRUMENTS AND NR 1 ENGINE HAD SHUTDOWN. GROUNDED - YES. REPLACED THE NR 1 ENG SPAR VALVE ACTUATOR REF MM 28-22-11-000-804 AND MM 28-22-11-400-804 STEP 5F THROUGH G(14). ACCOMPLISHED STEP (H) LT SPAR VALVE ELECTRICAL CONTROL AND INDICATION TEST NORMAL.