What was found
HOW/CHS - FLT AD004 - DURING FLIGHT, FLIGHT DECK COOLING TURBINE SMOKES AND RATTLES, SYSTEM DEACTIVATED. REPLACED FLIGHT DECK AIR CONTITIONING COOLING TURBINE AND OPS CHECKED GOOD PER MM, CHAPTER 21. (X)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
HOW/CHS - FLT AD004 - DURING FLIGHT, FLIGHT DECK COOLING TURBINE SMOKES AND RATTLES, SYSTEM DEACTIVATED. REPLACED FLIGHT DECK AIR CONTITIONING COOLING TURBINE AND OPS CHECKED GOOD PER MM, CHAPTER 21. (X)