What was found
(CAN) AFT LAV SMOKE WARNING MESSAGE ON ROTATION FOUND EVIDENCE OF OIL COKING ON STAGE 3 STATOR PLATFORM AND ON THE LEADING EDGE OF 5TH STAGE ROTOR DURING BOROSCOPE OF LEFT ENGINE. R/R LEFT ENGINE. (TC# 20190522014)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) AFT LAV SMOKE WARNING MESSAGE ON ROTATION FOUND EVIDENCE OF OIL COKING ON STAGE 3 STATOR PLATFORM AND ON THE LEADING EDGE OF 5TH STAGE ROTOR DURING BOROSCOPE OF LEFT ENGINE. R/R LEFT ENGINE. (TC# 20190522014)