As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON DESCENT, ENGINE NR 1 ROLLED BACK AND FLAMED OUT. AN UNEVENTFUL LANDING WAS ACCOMPLISHED. UPON INVESTIGATION TRANCIENT PRESSURE UNIT (TPU) BITE WAS ACCOMPLISHED REVEALING INTERNAL FAILURE CODES FOR THE TPU. TPU AND BUCU WERE REPLACED, ENGINE RUN AND FLIGHT TEST WERE ACCOMPLISHED. ALL SYSTEMS CHECKED GOOD. (M)