N505PJ

ATA 2120

Part: MODULATING VALVE — BROKEN (CBN/CKPT AIR) · airframe 2,641 hrs · 1,787 cycles

THE FLIGHT CREW REPORTED THAT THE CABIN AND COCKPIT AIR FROM HEAT EXCHANGER / TEMPERATURE MODULATING VALVES WAS FAR TOO HOT. THE CREW STATED THEY WERE UNABLE TO LOWER IN EITHER "AUTO" OR "MANUAL" MODES. CLAIMING THE CABIN TEMPERATURE REACHED 90 DEGREES F AND THE AIR DUCT REACHED 220 DEGREES F. THE MAINTENANCE VENDOR INSPECTED AND FOUND THE RAM AIR VALVE CRACKED AND BROKEN THE BROKEN VALVE DIDN'T ALLOW AIR TO FLOW OVER THE HEAT EXCHANGERS SO BLEED AIR WASN'T ABLE TO BE COOLED. THE MX VENDOR REMOVED THE BROKEN VALVE AND INSTALLED A REPAIRED VALVE. OPERATIONAL CHECKS SATISFACTORY AND THE AIRCRAFT WAS RETURNED TO SERVICE

ATA 2740

Part: TRIM SYSTEM — FAILED (PITCH) · airframe 2,502 hrs · 1,694 cycles

THE FLIGHT CREW REPORTED THAT THE PRIMARY PITCH TRIM FAILED IN FLIGHT LEVELING AT FLIGHT LEVEL 400. THEY INDICATED THAT THEY RECEIVED A PITCH TRIM FAIL CAS MESSAGE. THE MAINTENANCE VENDOR PERFORMED A SWAP OF THE FCE NO 1 AND NO 2 AS REQUIRED BY THE FIM TASK 27-41-00-810-803-A. FAILURE OF COMMUNICATION BETWEEN FCE 2 AND PITCH TRIM ACTUATOR. THE AIRCRAFT WAS POWERED DOWN AND POWERED UP AFTER THE RIGGING. HS PITCH TRIM FUNCTIONAL CHECK WAS COMPLETED NUMEROUS TIMES, OPERATIONS CHECKS GOOD. NO FURTHER CAS MESSAGE RECEIVED. PITCH INDICATED PROPERLY. PITCH TRIM NORMAL AND BACK UP WERE CONFIRMED TO OPERATIONS CHECK GOOD. EMBRAER WAS NOTIFIED OF FINDINGS AND ADVISED TO RELEASE WITH FCE'S REMAINED IN THE SWAPPED POSITION.