As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRONG FUMES IN THE COCKPIT, NO VISIBLE SMOKE. FUMES STRONGEST WITH ENGINE POWER HIGH. FUMES ARE LOCALIZED IN COCKPIT AREA NOT NOTICEABLE IN CABIN AREA. NO DIVERT. INSTALLED LT ENGINE NEW FAN SHAFT, BEARING AND SEAL IAW ROLLS ROYCE MM 72-21-20. RAN AIRCRAFT AT POWER. NO FUMES NOTED SYSTEM OPS CHECK GOOD. CLEANED WATER SEPERATORS AND SOCKS. KRBW TO KAPF.