As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOG PAGE 21540. DISCREPANCY: #1 ENGINE STARTER ACCELERATES N3 TO 46% VERY RAPIDILY THEN CUTS OUT BEFORE FULL ENGINE LIGHT UP. CORRECTIVE ACTION: REMOVED AND REPLACED N3 INDICATOR IAW MM 77-12-03 OPS CK NORMAL IAW MM 71-00. AIRCRAFT RETURN TO SERVICE.