N820SC

Part: WINDSHIELD — CRACKED (COCKPIT) · airframe 51,527 hrs · 21,459 cycles

DURING CRUISE FLIGHT, NOTICE F/O WINDSHIELD HAS A THIN CRACK VISIBLE. THEN WINDSHIELD ARC'D AND CRACKED COMPLETELY, MULTIPLE CRACKS. PERFORMED ABNORMAL CHECKLIST. AIRCRAFT RETURNED TO AIRFIELD. LANDING NORMAL. REMOVED AND REPLACED F/O WINDSHIELD PANEL IAW 56-11-11. SYSTEM TEST PER MM 30-42-00 PG BLOCK 501, OP'S SATISFACTORY. AIRCRAFT RETURNED TO SERVICE.

Part: INDICATOR — FAILED (ADI) · airframe 51,136 hrs · 21,349 cycles

FLIGHT DIRECTOR FAIL FLAG IN VIEW ON CAPT ADI WHEN FLT DIR 1 OR FLT DIR 2 SELECTED. FLT DIR CMD BARS BIAS OUT OF VIEW. F/O ADI GYRO FAILED, UNABLE TO TRANSFER ATTITUDE INFO WITH INSTRUMENT SWITCHING. GYRO FLAG IN VIEW. BOTH LOGIC COMPUTER TRI-FOILS IN VIEW CODE 52. LANDING NORMAL. FLIGHT DIR FAIL FLAG ASSIGNED MEL 22-10-01 DMI NR 2464, PLACARD INSTALLED. F/O ADI R&R'D IAW 34-25-23, OP'S CHECK SATISFACTORY. R&R'D LOGIC COMPUTER NR 1 AND RESET LOGIC COMPUTER NR 2 IAW 22-13-34 OP'S CHECK SATISFACTORY. R&R'D ATTITUDE SWITCHING UNIT, OP'S CHECK SATISFACTORY IAW 34-25-35. AIRCRAFT RETURNED TO SERVICE.

Part: DAMPENER — UNSERVICEABLE (LT MLG) · airframe 50,622 hrs · 21,151 cycles

UPON LANDING GEAR RETRACTION LEFT DOOR AND UNSAFE RED LIGHTS ILLUMINATED. GEAR UP ABNORMAL INDICATION ACCOMPLISHED. AIRCRAFT DIVERTED TO MIAMI INT'L FOR UNSCHEDULED STOP. FOUND LEFT GEAR PITCH DAMPNER BROKEN AT CLEVIS END AND SYSTEM 1 AND SYSTEM 2 LEFT HAND SENSORS BAD. REMOVED AND REPLACED DAMPNER IAW 32-11-15 AND SYSTEM 1 & 2 SENSORS IAW 32-00, OP'S CHECK GOOD IAW 32-32-00. AIRCRAFT RETURNED TO SERVICE

Part: SELECTOR — UNSERVICEABLE (MLG) · airframe 50,618 hrs · 21,149 cycles

LANDING GEAR CANNOT BE RAISED AFTER TAKEOFF. AIRCRAFT RETURNED TO AIRPORT. LANDING NORMAL. DURING TROUBLESHOOTING FOUND LANDING GEAR NORMAL CONTROL SWITCH READS NO CONTINUITY BETWEEN PINS H AND K. REMOVED AND REPLACED LANDING GEAR SELECTOR UNIT. OPS CHECK GOOD I/A/W 32-31-11. AIRCRAFT RETURNED TO SERVICE.

Part: VALVE — LEAKING (NR 2 ENGINE) · airframe 49,676 hrs · 20,898 cycles

NR 2 ENGINE EXCEEDED 960 DEGREE C DURING TAKE OFF (REACHED 962 DEGREE C FOR APPROX. 10 SECONDS W9TH AMBER EGT LIGHT) N1 WAS INDICATING 100.2 PERCENT. ABORTED THE TAKE OFF. AT IDLE NR 2 ENG 24.8 N1, 601 EGT, 66.4N2, 1700 F/F. CHECKED NR 2 ENGINE INLET AND EXHAUST. NO DAMAGE NOTED. FOUND HP VALVE AND TUBE ASSY LEAKING. REMOVED AND REPLACED HP VALVE AND TUBE ASSY. OP'S CHECK AND LEAK CHECK IAW 36-11-12 AND 72-00-00 ENGINE RUN UP (5 MINUTES) ALL PARAMETERS NORMAL. AIRCRAFT RETURNED TO SERVICE.

Part: SWITCH — DIRTY (CARGO DOOR) · airframe 49,218 hrs · 20,772 cycles

CARGO DOOR AND NOT LOCKED LIGHT ON, IN FLT. ALSO CARGO SWITCH FAULT LIGHT ON. DIVERTED TO GSO FOR REPAIR, 5200 GALS FUEL DUMPED FOR LANDING WT. REQUIREMENT. AIRCRAFT LANDED NORMAL. LUBED DOOR LOCK HANDLE SWITCH AND CLEANED STRIKER PLATES IAW SUP. MM 52-36-11 OPS CHECK MAIN CARGO DOOR, OPS CHECK GOOD LIGHT IND OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: PUMP — LEAKING (HYD SYSTEM) · airframe 49,035 hrs · 20,720 cycles

DURING DESCENT GREEN SYSTEM LEVEL LOW LIGHT ILLUMINATED, PERFORMED CHECK LIST AND PERFORMED ABNORMAL CHECK LIST DUE TO LOSS OF SYSTEM HYDRAULICS. BOTH HYDRAULIC PUMPS WERE PLACED TO DUMP PRIOR TO TOTAL FLUID LOSS. AIRCRAFT LANDED NORMAL. AFTER LANDING NOSE STEERING WOULD NOT RESPOND DUE TO HYDRAULIC LOSS. DETERMINED FLUID LOSE DUE TO NR 1 GREEN ELECTRIC PUMP CASE LEAK. REMOVED AND REPLACED PUMP. LEAK AND OP'S CHECK NORMAL IAW MM 29-21-11. AIRCRAFT RETURNED TO SERVICE.

Part: DAMPENER — LACK OF LUBE (RT MLG) · airframe 47,755 hrs · 20,281 cycles

UNABLE TO RETRACT LANDING GEAR ON SYSTEM 1 OR 2. RETURNED TO AIRPORT, NO FUEL DUMPED, LANDING NORMAL. AIRCRAFT RETURNED TO GATE. FOUND RT MLG PITCH DAMPNER INDICATOR POPPED. SERVICED DAMPNER IAW MM 12-12-32. ALL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: WIRE · airframe 47,474 hrs · 20,154 cycles

Taxi and take off R/H supply C/B opens when lights in useCorrective Action: Found Chafed wire, repaired I/A/W standard practices ATA 20, Functional ck good I/A/W ATA 33-46-12.

Part: SWITCH · airframe 47,434 hrs · 20,141 cycles

Flight control servo control lever lock circuit breaker tripsCorrective Action: Removed and replaced low speed aileron green system actuator micr-switch assy. ops checked good.

Part: CIRCUIT BREAKER — UNSERVICEABLE (COCK PIT) · airframe 47,424 hrs · 20,137 cycles

Flight control servo control lever lock circuit breaker tripsCorrective Action: R&R'd circuit breaker I/A/W MM 20-16-00 Op's check good

Part: ENGINE — OVERTEMP · airframe 47,307 hrs · 20,091 cycles

During climb out of flt level 75, time 0540Z, heard an expolosion from #1 engine, confirmed #1 engine failure, #1 engine EGT went to max indication, followed emergency and abnormal procedure, fuel dump procedure was followed down to max landing weight. A/C returned to field, landing normal.Corrective Action: Removed and replaced engine I/A/W engine change paperwork. Run up checks satisfactory. Aircraft returned to service.

Part: GENERATOR — UNSERVICEABLE · airframe 45,673 hrs · 19,342 cycles

#1 ENGINE GENERATOR WENT OFF LINE AND CREW DISCONNECTED CSD #1. GENERATOR OFF LIGHT ILLUMINATED WITH VOLDTS AND FREQ'S READING ZERO. APU SHUTDOWN WITH OIL LEVEL LIGHT ILLUMINATING. EMERGENCY PROCEDURES WERE FOLLOWED (FUEL DUMPED) A/C RETURNED TO AIRPORT. LANDING NORMAL.CORRECTIVE ACTION: OIL SERVICE LEVEL CHECKED ON APU AND GROUND RUN OPERATED SATISFACTORY I/A/W 49-00. #1 GENERATOR PLACED ON MEL 24-11-01 DMI #2249 ASSIGNED. AIRCRAFT RETURNED TO SERVICE

Part: FLAP — MALFUNCTIONED (WINGS)

DURING APPROACH, SLATS EXTENDED INITIALLY TO 16 DEGREES. SLATS RETRACTED WHEN 25 DEGREES FLAP WERE SELECTED. COULD''NT DUPLICATE ON GROUND. OPS CHECKED NORMAL IAW FIM 27-80-00. REQUIRES FURTHER INVESTIGATION. AIRCRAFT INSPECTED AND PREPARED FOR FERRY FLIGHT IAW PROCEDURES, CHAPTER 11 TAI GMM. AIRCRAFT CONSIDERED AIRWORTHY FOR FLIGHT INTENDED. (M)

Part: INDICATOR — FAILED (COCKPIT)

KRUGER FLAPS WOULD NOT RETRACT AFTER TAKEOFF OUT OF LOCK. AIRCRAFT DUMPED APPROXIMATELY 1750 GALLONS OF FUEL AND RETURNED TO LCK. LANDING NORMAL. PROBLEM WAS TROUBLESHOT AND KRUGER INDICATOR UNIT WAS FOUND TO BE UNSERVICEABLE. PART ORDERED AND KRUGER AND NOTCH FLAPS PUT ON MEL AND DEACTIVATED IAW 27-84-02. AIRCRAFT RETURNED TO SERVICE. (M)

Part: ACTUATOR — FAILED (4TH AILERON)

MEL 27-11-01 ON AIRCRAFT LOW SPEED AILERON. MEL CLEARED. REMOVED AND REPLACED SERVO CONTROL ACTUATOR. ALSO, FOUND DAMAGED WIRES AND REPAIRED SAME IAW MM 20-53-29. OPS CHECK GOOD IAW MM 27-11-00. AIRCRAFT RETURNED TO SERVICE. (M)

Part: CONTROLLER — MALFUNCTIONED (AILERON)

AFTER TAKEOFF, L/N LOW SPEED AILERON WOULD NOT DISCONNECT AND POPPED CB 7A6. CREW ACCOMPLISHED PROCEDURE A 29 AND RETURNED TO LAX AT A SPEED OF LESS THAN 250 KNOTS. NO FUEL WAS DUMPED. AIRCRAFT LANDED NORMAL. AILERON WAS INOPERABLE IN AUTO MODE ONLY AND PLACED ON MEL. AFTER OPERATING IT THREE TIMES ON THE GROUND OPS CHECK WAS GOOD. CARRIED OUT OVERWEIGHT LANDING INSPECTION. NO DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE. (M)

Part: AILERON — INOPERATIVE (LT WING)

AFTER TAKEOFF, LEFT LOW SPEED AILERON WOULD NOT DISCONNECT IN AUTO OR MANUAL MODE AND POPPED CB 7AG. CREW ACCOMPLISHED PROCEDURE A29 AND RETURNED TO LAX AT A SPEED OF LESS THAN 250 KNOTS. NO FUEL WAS DUMPED. LANDING NORMAL. L/N LOW SPEED AILERON WAS DISCONNECTED AND CANNON PLUG WAS STOWED IAW MEL 27-11-01 PART III AND CONTINUED ON MEL. A HEAVY LANDING INSPECTION WAS PERFORMED. NO DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE. (M)