Control valve unserviceable. SDR 510020505
Flow control valve actuating solenoids incorrectly installed. Item was being checked following removal from store and had not been fitted to an aircraft. P/No: 3965163.
General Electric Co CT79B sensor SUP. SDR 510020455
Power turbine shaft speed sensor suspect unapproved part. Sensor affected by Service Bulletin 74-0035 Rev 0. P/No: 4088T42P01.
Hinge arm SUP. SDR 510020244
Landing gear hinge arm suspect unapproved part. Hinge arm was received as a replacement item. The paperwork and ink stamped part number seem correct but the part is different looking to the part removed. P/No: 12043996003.
Messier-Hispano ATR72 wheel cracked. SDR 510020420 (photo above)
Main wheel outer half cracked from tiebolt hole. Crack length approximately 25.4mm (1in). Found during eddy current inspection. P/No: AS365593. TSN: 5345 hours/4485 cycles. TSO: 3287 hours/2482 cycles.
Slick Electro Inc 4373 magneto out of adjust. SDR 510020331
Magneto spark weak and erratic at low RPM. Investigation found the distributor gear out of alignment by approximately 30 degrees.