As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A SEIZED POWER TURBINE MODULE DURING START WAS REPORTED. THE UNIT WAS REMOVED AND DIRECTED TO AN OVERHAUL FACILITY WHERE, UPON DISASSEMBLY THE DISCREPANCY WAS CONFIRMED AS CAUSED BY TWO BROKEN RIVET HEADS. ON WAS JAMMED BETWEEN THE NOZZLE AND STAGE 4 DISK. (M)