What was found
RETURNED TO YIP, NR 1 ENGINE OIL CLOGGED LIGHT ILLUMINATED. REMOVED OIL FILTER, FOUND CARBON IN FILTER, DRAINED AND RESERVICED OIL TANK. REPLACED FILTER. ENGINE 18.8 HOURS SINCE SHOP VISIT. (Z)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
RETURNED TO YIP, NR 1 ENGINE OIL CLOGGED LIGHT ILLUMINATED. REMOVED OIL FILTER, FOUND CARBON IN FILTER, DRAINED AND RESERVICED OIL TANK. REPLACED FILTER. ENGINE 18.8 HOURS SINCE SHOP VISIT. (Z)