What was found
(CAN) ON CLIMBOUT, FELT A BIG BANG- LT ENGINE N1 WENT TO 30 PERCENT AND ITT WAS AROUND 920 C. FOLLOWED QRH PROCEDURES AND SHUTDOWN LT ENGINE AND RETURNED TO ORIGIN. AFTER EXTENSIVE TROUBLESHOOTING MAINTENANCE R & R THE LT ENGINE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) ON CLIMBOUT, FELT A BIG BANG- LT ENGINE N1 WENT TO 30 PERCENT AND ITT WAS AROUND 920 C. FOLLOWED QRH PROCEDURES AND SHUTDOWN LT ENGINE AND RETURNED TO ORIGIN. AFTER EXTENSIVE TROUBLESHOOTING MAINTENANCE R & R THE LT ENGINE.