As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON GROUND WHEN ENGINES STARTED (WITH BLEEDS IN ENVIRONMENTAL) STRONG EXHAUST SMELL IN CABIN. SMELL GOES AWAY ONCE AIRCRAFT PRESSURIZES. WHEN AIRCRAFT STARTED WITH BLEEDS OFF (PNEUMATIC AND ENVIRONMENTAL) NO EXHAUST SMELL IN CABIN. ON TOUCHDOWN IMMEDIATELY GOT THE ODOR DURING ROLLOUT. WROTE UP DISCREPANCY. INSPECTION OF LT ENGINE FOUND INBOARD EXHAUST FLEX TUBE BROKEN.