N621CS

ATA 2130

Part: I/O CARD — FAULTY · airframe 5,782 hrs · 3,829 cycles

FLIGHT LEVEL 250 AMBER CABIN ALTITUDE ILLUMINATED ON EICAS. CABIN ALTITUDE WAS AT 8500 WITH A DIFFERENTIAL OF 4.0. AFTER DONNING OUR OXYGEN MASKS RED CABIN ALTITUDE AND ILLUMINATED AND WE HEARD THE DOOR SEAL (MAIN CABIN DOOR) POPPING AND HISSING. AN EMERGENCY DESCENT WAS INITIATED TO 8000FT. CABIN PRESSURIZATION WAS INOPERATIVE. TROUBLESHOOTING LED TO A FAULTY GEN I/O CARD.

ATA 4910

Part: FIREWALL — CRACKED (APU BAY) · airframe 5,521 hrs · 3,665 cycles

APU FIREWALL WEB HAS A 2.75 INCH CRACK COMING FROM THE RIGHT LOWER PAN ATTACH POINT.

ATA 7250

Part: VANE — CRACKED (NR 1 ENGINE) · airframe 5,197 hrs · 3,467 cycles

DURING NR 1 ENGINE BORESCOPE, THIRD-STAGE LB TURBINE VANE FOUND TO BE CRACKED.

ATA 7250

Part: VANE — CRACKED (NR 2 ENGINE) · airframe 5,197 hrs · 3,467 cycles

DURING NR 2 ENGINE BORESCOPE, THIRD-STAGE LB TURBINE VANE FOUND TO BE CRACKED.

ATA 2720

Part: TORQUE TUBE — CRACKED (RUDDER) · airframe 5,197 hrs · 3,467 cycles

RUDDER TORQUE TUBE IS CRACKED AROUND THE WELD POINT OF THE BOTTOM RIB.

ATA 3610

Part: SHUTOFF VALVE — STUCK (PNEUMATIC SYS)

DURING CLIMBOUT, RECEIVED A UNDER HEAT CONDITION RIGHT SIDE, FOLLOWED BY A SUPPLY BLEED LEAK LEFT SIDE MESSAGE. EXITED ICING CONDITIONS AND ANTI-ICE CAME OFF. SHORTLY AFTER, RECEIVED THE AMBER CABIN ALTITUDE MESSAGE. AFTER RECEIVING THE AMBER CABIN MESSAGE, THE RED FOLLOWED WITHIN 2 MINUTES. BEGAN EMERGENCY DESCENT; THE CABIN NEVER GOT ABOVE 11,000 FEET. PERFORMED ENGINE RUNS AND FOUND THE RT BLEED AIR SHUTOFF VALVE STUCK IN THE CLOSED POSITION.

ATA 7200

Part: ENGINE — LEAKING (LEFT) · airframe 3,841 hrs · 2,653 cycles

JUST AFTER TAKEOFF & DURING INITIAL CLIMB, ENROUTE. SMOKE IN CABIN, & AN ELEC SMELL. DECLARED AN EMER & DIVERTED. THE SMELL & SMOKE WERE REDUCED WITH ENG POWER SETTINGS SO THE CREW WERE ABLE TO CONTROL THE AMOUNTS. THE ACFT LANDED SAFELY AT THE DIVERTED AIRPORT. TROUBLESHOOTING & CONFIRMED THE SMOKE ON GND WITH HIGH POWER SETTING. THE SMELL HOWEVER WAS OIL IN NATURE NOT ELECTRICAL. TROUBLESHOOTING REVEALED THE OIL WAS COMING FROM THE NR 1 ENG, MOST LIKELY THE NR 2 CARBON SEAL. REMOVED THE ORIGINAL NR 1 ENG & A RENTAL ENG WAS INSTALLED. ALL POST INSTALLATION RUNS & OPERATIONAL CHECKS WERE PERFORMED. NO FURTHER ISSUES OR DISCREPANCIES WHERE FOUND. AT THIS TIME NO TEARDOWN REPORTS OR INFORMATION IS AVAILABLE.

ATA 7200

Part: ENGINE — LEAKING (LEFT)

SHORTLY AFTER TAKEOFF OF A CREW TRAINING FLIGHT, THE CREW REPORTED SMOKE IN CABIN. DIVERTED BACK TO DEPARTURE AIRPORT, LANDING SAFELY BUT DID NOT DECLARE EMER. THIS IS THE SECOND TIME THIS ACFT REPORTED SMOKE IN CABIN IN RECENT FLIGHTS. MX WAS DISPATCHED TO ACFT & COMMENCED TO TROUBLESHOOT. TROUBLESHOOTING REVEALED THAT THE NR 2 ENG IS LOSING OIL INTO THE BLEED AIR SYS. THIS REQUIRES THE ENG TO BE REMOVED & SENT IN FOR REPAIR. TO DATE THE ENG IS BEING REMOVED SO NO FURTHER UPDATES AVAILABLE.

ATA 7261

Part: ENGINE — OVERSERVICED (LT ENGINE) · airframe 3,818 hrs · 2,635 cycles

SHORTLY AFTER TAKEOFF, THE PAXS INDICATED SMOKE IN THE REAR CABIN AREA WHICH THE CREW SMELLED AS WELL. THE ACFT DECLARED EMER & DIVERTED. THE ACFT LANDED SAFELY & WAS MET BY FIRE DEPARTMENT. CONFIRMED NO FIRE OR SMOKE EXISTS & PAXS DEPARTED PLANE. MX WAS DISPATCHED TO ACFT WHERE TROUBLESHOOTING COMMENCED. TROUBLESHOOTING FOUND THE NR 1 ENG TO BE OVER SERVICED WITH OIL WHICH MIGRATED THROUGH THE BLEED AIR DUCTS SOAKING THE AIR CYCLE SOCK. FURTHER TROUBLESHOOTING FOUND NO OTHER DISCREPANCIES. ALL AFFECTED BLEED AIR DUCTING & SYS WAS CLEANED, THE ENG OIL WAS SERVICED TO PROPER LIMITS & GND AS WELL AS FLIGHT CHECKS PROVED SYS TO BE FUNCTIONING NORMALLY WITH NO OIL SMELL OR SMOKE INDICATED. SYS WILL BE MONITORED FOR ANY FUTURE ISSUES.

ATA 7261

Part: OIL SYSTEM — LEAKING (RT ENGINE) · airframe 4,501 hrs · 2,917 cycles

DURING CLIMB, SHORTLY AFTER GEAR RETRACTION, SMOKE WAS NOTICED FILLING COCKPIT AND CABIN. TOWER WAS CONTACTED AND ADVISED AN IMMEDIATE RETURN TO AIRPORT. SMOKE SEEMED TO BE COMING FROM THE ENVIRONMENTAL SYS, IN TURN, SYS WAS SWITCHED OFF AND LANDING WAS UNEVENTFUL. MX DETERMINED RT ENGINE TO BE AT FAULT, DUE TO INTERNAL OIL LEAKAGE. RT ENGINE WAS REPLACED AND AN OPS CHECK FLIGHT PERFORMED. ALL CHECKED NORMAL, ACFT RETURNED TO SERVICE.

ATA 3297

Part: WIRE HARNESS — DEFECTIVE (MLG) · airframe 462 hrs · 302 cycles

AFTER TAKEOFF, GEAR HANDLE WOULD NOT MOVE TO RETRACT POSITION AND FLIGHT HOUR METER WAS NOT WORKING. CREW CIRCLED IN VICINITY OF AIRPORT, BURNED OFF FUEL FOR PROPER LANDING WEIGHT AND DECLARED AN EMERGENCY. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE PERSONNEL FOUND NOSE GEAR SQUAWK SWITCH WIRE BUNDLE DEFECTIVE. NOSE GEAR WIRE BUNDLE WAS FABRICATED AND REPLACED, OPERATIONAL CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE.