As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENG 1 COMPRESSOR VANE. CHA/CHB VSV ACT/HC/EEC1 FOUND WITH FAULT ACRONYM OF SVATK, REF TSM'S 75-30-00-810-843-A AND 75-30-00-810-845, PERFORMED TSM 75-30-00-810-805B FOUND ENGINE 1 VSV BOTH CHANNELS DEFECTED. REMOVED AND REPLACED ENGINE 1 VSV REF AMM 75-32-41-400-010A. NO LEAKS NOTED AND ENGINE PASSED HIGH PWR RUNS.