As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NO EGT INCREASE OR FUEL FLOW WHILE STARTING ENGINE #1. GROUNDED - YES. REMOVED & REPLACED #1 ENG R/H IGNITER LEAD REF B737-9 AMM 74-21-01. EEC CHANNEL A & B IGNITION SYS TEST OPS NORMAL REF AMM 71-00-00 TEST 18 & 19. RAN #1 ENG R/H IGNITER SELECTED OPS NORMAL REF AMM 71-00-00.