As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOI- TOWER REPORTED PUFF OF SMOKE AND SMALL AMOUNT OF FLAME FROM AREA OF NR 2 ENGINE FOLLOWING TOUCHDOWN. NO ABNORMAL INDICATIONS ON ENGINE INSTRUMENTS OR APU. REMOVED AND REPLACED START AND OVERSPEED CONTROL BOX. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.