As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ENGINE START OF NUMBER 1 ENGINE, THE N2 ROLLED BACK ONE PERCENT AT 25.3 24 PERCENT. THE ENGINE WAS STARTED WITH ALL ENGINE PARAMETERS WITHIN LIMITS. GROUNDED - YES. RAN ENGINE #1 AND WATCHED N2 AND N2 DID NOT ROLL BACK. ENGINE PARAMETERS ARE WITHIN LIMITS AFTER START. NO FAULTS FOUND. OK FOR SERVICE. NO FAULT CODES AND NO HISTORY IN THE LAST 30 DAYS.