What was found
RETURNED TO ORD DUE TO NR 2 ENGINE VIBRATION. *S/D* UPON ARRIVAL ORD, FOUND METAL IN TAILPIPE NR 2 ENGINE. REPLACED ENGINE. FOLLOW UP FINDINGS INDICATED THE LPT 4TH STAGE NGV FAILED DUE TO INTERNAL SULFIDATION.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
RETURNED TO ORD DUE TO NR 2 ENGINE VIBRATION. *S/D* UPON ARRIVAL ORD, FOUND METAL IN TAILPIPE NR 2 ENGINE. REPLACED ENGINE. FOLLOW UP FINDINGS INDICATED THE LPT 4TH STAGE NGV FAILED DUE TO INTERNAL SULFIDATION.