As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 4 ENGINE WILL NOT SUSTAIN RPM ABOVE 7000 RPM. PREPARED AIRCRAFT FOR FERRY FLIGHT PER ZIA MAINTENANCE MANUAL GMM 04-07-01 BY INSTALLING FERRY KIT. FRAGMENTS FOUND IN TAIL PIPE. AIRCRAFT FERRIED TO ANC ON 7/18/97 DUE AKN RUNWAY CLOSURE. NR 4 ENGINE WAS CHANGED. ENGINE RUNS C/W. RELEASED FOR SERVICE. (M)