N335LS

Part: CONNECTOR — CONTAMINATED (POWER LEVER)

UPON ARRIVAL, WHEN CONDITION LEVERS ADVANCE TO MAXIMINUM, LT PROP SPEED WAS APPROXIMATELY 68 PERCENT, LT TORQUE WOULD NOT DECREASE BELOW 60 PERCENT. MAINTENANCE RAN ENGINE TO FULL POWER TO ENSURE PROPER OPERATION. OPS CHECK GOOD. INSPECTED CONTROL CABLES FOR FULL MOVEMENT AND SECURITY. NO DEFECTS NOTED. FERRIED, MECHANICS FOUND PCU, CSU AND FEA SOLENOID CONNECTOR PLUG COATED IN OIL. CLEANED.

Part: SMOKE — DETECTED (COCKPIT) · airframe 11,555 hrs · 9,799 cycles

SMOKE IN COCKPIT. MAINTENANCE RAN LEFT AND RIGHT PACKS IN ALL CONFIGURATIONS. OP CHECK NORMAL, NO EVIDENCE OF SMOKE IN COCKPIT.

Part: PRESSURE SWITCH — FAILED (HYD SYSTEM) · airframe 10,393 hrs · 8,315 cycles

EMERGENCY BRAKE ACCUMULATOR MESSAGE IN FLIGHT. P/R LIGHT IS ON AT -45 OAT, GOES OUT AT -5 OAT, ALL PRESSURES APPEARED TO BE NORMAL AND NOT FLUCTUATING DURING FLIGHT. MAINTENANCE REMOVED AND REPLACED EMERGENCY BRAKE ACCUMULATOR PRESSURE SWITCH.

Part: CONTROLLER — INOPERATIVE (COCKPIT DISPLAY) · airframe 10,388 hrs · 8,307 cycles

FGC FAILED IN FLIGHT, PUTRID SMELL NOTICED EVERY TIME BUTTONS WERE PRESSED. MAINTENANCE REMOVED AND REPLACED FD/AP DISPLAY CONTROLLER.

Part: BATTERY PACK — DISCHARGED (CABIN)

DFW/TYS - FLT 373 - DURING PREFLIGHT, CREW NOTICED THE EMERGENCY EXIT LIGHTS OVER SEAT 9A WERE INOPERABLE. CREW NOTIFIED MAINTENANCE. MAINTENANCE INSPECTED THE AIRCRAFT AND DETERMINED THE EMERGENCY LIGHT BATTERY POWER PACK WAS DEAD. MAINTENANCE REPLACED THE POWER PACK AND PERFORMED OPERATIONAL CHECKS. ALL CHECKS SATISFACTORY. AIRCRAFT WAS RELEASED TO REVENUE SERVICE.

Part: TRIM — MALFUNCTIONED (ELEVATOR)

DFW/DRT - FLT 365 - AFTER TAKEOFF, CAS MESSAGE 'ELEVATOR DISC LOAD HI' APPEARED AND NOSE DOWN ELEVATOR TRIM FAILED. CREW SELECTED STANDBY ELEV TRIM AND CONTINUED TO CLIMB AWAY FROM DFW (TRAFFIC AREA). AT SAFE ALTITUDE, CREW CONTACTED FLIGHT CONTROL. MAINT WAS CONSULTED AND DECISION MADE TO RETURN DFW. CREW INFORMED ATC SITUATION WAS NOT AN EMERGENCY. DURING RETURN, CREW RECEIVED CAS MESSAGE 'ELEV TRIM FAIL'. MESSAGE DISAPPEARED AFTER A FEW MINUTES. AIRCRAFT LANDED WITHOUT INCIDENT. MAINT INSPECTED ACFT AND PERFORMED NUMEROUS OPER CHECKS. NO DEFECTS NOTED. TEST FLIGHT SATISFACTORY. SUBMITTER SUSPECTS HIGH WINDS CAUSED ELEVATOR TRIM PROBLEMS. WINDS WERE 29-32 KNOTS AT THE TIME OF THE INCIDENT.

Part: BRAKE SENSOR — FAILED (RT MLG)

AIRCRAFT HAD RIGHT INBOARD BRAKE TEMP HIGH INDICATION ON TAKEOFF ROLL AT DIA. AIRCRAFT ABORTED TAKEOFF AND RETURNED TO THE GATE. MAINTENANCE REMOVED AND REPLACED THE RIGHT INBOARD BRAKE ASSEMBLY. AIRCRAFT APPROVED FOR RETURN TO SERVICE. (M)

Part: CONTROL CABLE — STIFF (RT ENGINE)

WHEN AIRCRAFT WAS DESCENDING FOR APPROACH INTO DFW, FOUND RT POWER LEVER STUCK AT 19,500 FEET. CAPTAIN LEVELED OFF DUE TO POSSIBLE OVERTORQUE OF THE ENGINE. ECS SYSTEM SELECTED TO THE OFF POSITION, POWER LEVER THEN FREED ITSELF. ON LANDING AFTER INSPECTING ACFT AND RUNNING ENGINE, NO FAULTS FOUND. ONE POSSIBLE CAUSE COULD HAVE BEEN ICING. CABLES WERE THEN CLEANED AND LUBED PER SB 328-76-073, WHICH HAD BEEN C/W AT A PREVIOUS DATE. NO OTHER PROBLEMS OCCURRED AND ACFT RETURNED TO SERVICE. HOWEVER, LT AND RT POWER LEVER NACELLE PORTIONS REPLACED AT THE NEXT VISIT TO MAINTENANCE ON 2-8-97 AS PRECAUTION.

Part: SIDE WINDOW — CRACKED (RT)

WHILE EN ROUTE TO DFW FROM CUU, THE FIRST OFFICERS SIDE WINDOW CRACKED FROM BOTTOM TO TOP. THE AIRCRAFT LANDED AT DFW WITHOUT FURTHER INCIDENT. IT WAS THEN FERRIED TO HOT UNPRESSURIZED WHERE THE WINDOW WAS REPLACED. NORMALLY, THESE WINDOWS HAVE BEEN DELAMINATING. THIS IS THE FIRST ONE THAT CRACKED.

Part: CONTROL PANEL — DAMAGED (COCKPIT)

WHILE EN ROUTE TO CUU FROM DFW, THE PILOT NOTICED A BURNING SMELL AND SAW SMOKE COMING FROM THE FLIGHT GUIDANCE CONTROL PANEL. HE TRIED TO DISCONNECT THE AUTOPILOT, HOWEVER, IT WOULD NOT DISENGAGE. WHILE THEY WERE LOOKING FOR THE CIRCUIT BREAKER IT POPPED BY ITSELF AND THE AUTO PILOT THEN DISENGAGED. THE CREW THEN TURNED BACK TO DFW AND LANDED WITHOUT FURTHER INCIDENT. THE PANEL WAS REPLACED AND THE AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: WINDSHIELD — SHATTERED (RT COCKPIT)

DFW/ASE - WHILE EN ROUTE, THE FIRST OFFICER'S OUTSIDE WINDSHIELD SHATTERED. THE PILOT RETURNED TO DFW AND LANDED WITHOUT FURTHER INCIDENT. THIS IS THE THIRD WINDSHIELD FAILURE ON THIS ACFT IN THE PAST 6 MONTHS AND/OR 838.0 AIRCRAFT FLIGHT HOURS. THE AIRCRAFT WAS FERRIED TO HOT FOR REPLACEMENT OF THE WINDSHIELD. AIRCRAFT WAS RETURNED TO SERVICE.

Part: WINDSHIELD — SHATTERED (RT COCKPIT)

DFW/DRT - WHILE EN ROUTE, THE FIRST OFFICER'S WINDSHIELD OUTER LAYER FAILED. THE AIRCRAFT LANDED IN DFW WITHOUT FURTHER INCIDENT. THE AIRCRAFT WAS FERRIED TO HOT-MAINTENANCE FOR REPLACEMENT OF THE FIRST OFFICER'S WINDSHIELD. DORNIER WAS NOTIFIED THIS WAS THE SECOND WINDSHIELD REPLACEMENT IN A ONE-MONTH PERIOD.

Part: WINDOW — SHATTERED (LT COCKPIT)

DFW - AFTER DEPARTING, AIRCRAFT WAS IN CRUISE AT 31,000 FEET AND PILOT HEARD A LOUD NOISE. THE CAPTAIN'S OUTER PANE WINDOW HAD SHATTERED, BUT REMAINED INTACT. THE PILOT DESCENDED AND RETURNED TO DFW AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED CAPTAIN'S WINDOW IAW THE DORNER MM, OPS CHECKS NORMAL, AIRCRAFT WAS RETURNED TO SERVICE.

Part: FLOAT — PUNCTURED (HYD RESERVOIR)

CAS - DURING PRE-FLIGHT, CREW REPORTED CAS MESSAGE, HYD AUXILIARY QUANTITY LOW. AIRCRAFT WAS FERRIED TO HOT MAINTENANCE BASE. MECHANIC FOUND AUXILIARY RESERVOIR FLOAT HAD A HOLE IN IT. REMOVED AND REPLACED AUXILIARY RESERVOIR FLOAT ASSEMBLY. PERFORMED OPS CHECK OF SYSTEM. ALL CHECKS NORMAL. NO LEAKS NOTED. AIRRAFT WAS RETURNED TO SERVICE.