N756XJ

ATA 2430

Part: DIODE — FAILED (ELECTRICAL SYS) · airframe 8,962 hrs · 4,599 cycles

WHILE ON DESCENT, FLIGHT CREW RECEIVED A GEN OFF R AMBER CAS MSG. THE APU WAS THEN STARTED TO BRING THE APU GEN ONLINE & WITHIN MOMENTS THERE WAS AN APU GEN OFF AMBER CAS MSG POSTED. DURING THIS TIME THE BATTERY CROSS TIE WAS CLOSED & SOON REOPENED DUE TO A 500 AMP DRAW ON THE LT SIDE. WITH DISTRACTIONS FROM THE ELEC MALFUNCTION THEY OVERSHOT THE FINAL & ELECTED TO GO AROUND WITH FLAPS AT 15 & GEAR UP. ON VECTORS BACK TO THE RUNWAY THEY RECEIVED A BATT 2 O’TEMP AMBER CAS MSG, SO BATTERY 2 WAS TURNED OFF IAW THE CHECKLIST. AN EMER WAS DECLARED AT THIS POINT. ALSO POSTED WAS AN AMBER DAU 2 FAIL, FOLLOWED BY DU’S 4 & 5, FMS 2, NR 2 RADIO & GEAR INDICATION, ALL ITEMS ON RT EMER BUS & RT MAIN BUS FAILED. WHEN SELECTED THE GEAR & FLAPS FAILED TO EXTEND, THE EMER GEAR EXTENSION WAS UTILIZED & GEAR DOWN WAS VERIFIED BY THE TOWER. AN UNEVENTFUL LANDING WAS ACCOMPLISHED. THE RT BATTERY WAS NOT BEING CHARGED BY THE GEN. TRANSORB PN S3106-5 & DIODES PN S3106-3 WERE REPLACED WITH NEW & FUNCTIONAL CHECKS WERE FOUND TO BE NORMAL. THE LG PNEUMATIC OVERRIDE VLV & EMER GEAR RELEASE HANDLE WERE RESET TO NORMAL POSITION. MULTIPLE GEAR SWING FUNCTIONAL CHECKS PERFORMED WITH NO DEFECTS NOTED.

ATA 3610

Part: SEAL — LEAKING (BLEED DUCT) · airframe 3,310 hrs · 1,790 cycles

THE FLIGHT CREW RECEIVED A RT ENG FIRE LIGHT AND ASSOCIATED EICAS MESSAGE ON TAKEOFF ROLL AT 75 KIAS. LIGHTS WENT OUT WHEN PWR WAS REDUCED TO IDLE. ENG FIRE EXTINGUISHING SYS WAS NOT ACTIVATED. THE ACFT WAS INSPECTED BY MX AND WORN HIGH PRESSURE BLEED AIR DUCT SEALS WERE FOUND. THE SEALS WERE REPLACED AND ENGINE OPS CHECKS WERE ACCOMPLISHED. OPS CHECKS WERE NORMAL.

ATA 2910

Part: FITTING — UNDERTORQUED (HYDRAULIC LINE) · airframe 2,834 hrs · 1,536 cycles

CRUISE FLT EN ROUTE, CREW RECEIVED AN AMBER HYD VOLUME - A LOW WARNING MESSAGE, VOLUME OF HYD FLUID INDICATED 17 PERCENT WITH NO LOSS OF PRESSURE. FLT CREW ELECTED TO DIVERT TO DEN. AN EMERGENCY DECLARED. ACFT LANDED AT DEN WITH NO FURTHER ISSUES & A SYS HYD QTY INDICATING 3 PERCENT WITH NO PRESSURE LOSS. MX DISCOVERED SYS A RUDDER HYD PRESSURE LINE FITTING O-RING TO LOWER RUDDER, LOWER POWER CONTROL UNIT PINCHED CAUSING LEAK. MX REPLACED PINCHED O-RING & PERFORMED AN OPS LEAK CHECK OF SYS. LEAK CHECKS SATISFACTORY, NO LEAKS NOTED & ACFT RETURNED TO SERVICE. IT HAS NOT BEEN DETERMINED IF THE TORQUE ON FITTINGS DUE TO IMPROPER TORQUE APPLIED TO FITTINGS WORKED LOOSE DUE TO NORMAL OPS CONDITIONS.