As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TWO FAILED START ATTEMPTS FOR ENGINE #1 NO "N" ROTATION TRIED ENG #1 START W APU + CROSSBLEED BOTH UNSUCCESSFUL 3RD START ATTEMPT W APU HAD A NORMAL START ALL ENGINE INDICATIONS NORMAL. MAYBE START VALVE STICKING?. GROUNDED - YES. STARTED #1 ENG TWICE REF AMM 71-00-00. SUCCESSFUL STARTS ON BOTH ATTEMPTS WITH ALL ENG INDICATIONS NORMAL. NO HISTORY LAST 30 DAYS. A/C OK FOR SVC.