N815TA

ATA 3420

Part: HSI — MALFUNCTIONED · airframe 7,045 hrs · 4,478 cycles

DURING CLIMBOUT CREW REPORTED DUAL HSI FAILURE WITH BOTH SIDES OFF BY 30 DEGREES. CREW RETURNED TO THE FIELD. AFTER LANDING CREW REPORTED A BURNING ODOR. MAINT OPERATED THE AVIONICS SYSTEMS BUT WAS UNABLE TO DUPLICATE THE DISCREPANCIES.

ATA 3240

Part: BRAKE ASSY — WEAK (MLG) · airframe 6,969 hrs · 4,433 cycles

CREW REPORTED THE BRAKES NEEDED EXCESSIVE FORCE TO APPLY BRAKING ACTION. PEDALS WENT NEARLY TO THE FLOOR. THE SAME PROBLEM WAS REPORTED TWO DAYS PRIOR (REF SDR DJFA2008002) AND THE AIRCRAFT FLEW 5 FLIGHTS WITHOUT DISCREPANCIES. MAINTENANCE BLED THE BRAKE CONTROL VALVE AND FOUND NO AIR IN THE SYSTEM. BRAKE SYSTEM CHECKED GOOD.

ATA 3240

Part: BRAKE — INOPERATIVE (MLG) · airframe 6,959 hrs · 4,428 cycles

CREW REPORTED BREAKS REQUIRED EXCESSIVE PRESSURE TO ACTUATE. PEDALS NEEDED TO BE PUSHED NEARLY TO FULL TRAVEL TO OBTAIN BRAKING ACTION. MAINTENANCE BLED THE BRAKES AND CHECKED THE SYSTEM. THE SYSTEM CHECKED OK.

ATA 2731

Part: MOTOR — INOPERATIVE (22) · airframe 5,203 hrs · 3,265 cycles

AT FL 390 IN BOSTON CENTER RVSM AIRSPACE AT .76 MACH THE AUTO-PILOT LOST 500 FEET OF ALTITUDE AFTER THE AIRCRAFT PORPOISED 60 - 80 FEET. THE AUTO-PILOT WAS THEN DISENGAGED AND THE AIRCRAFT WAS BROUGHT BACK TO FL 390. THE AUTO-PILOT WOULD NOT ENGAGE AND THE AIRCRAFT REQUIRED MORE THAN NORMAL FORWARD PRESSURE ON THE CONTROL YOKE TO HOLD THE ALTITUDE AT 390. THE ELECTRIC TRIM AND TRIM WHEEL WERE REPORTED AS LOCKING UP. AFTER DESCENDING TO FL 230 THE TRIM AND AUTO-PILOT REVERTED BACK TO NORMAL OPERATIONS. THE CREW DIVERTED THE AIRCRAFT TO KALB WHERE A NORMAL LANDING WAS MADE. MAINTENANCE REPLACED THE ELEVATOR TRIM SERVO MOTOR. SYSTEM OPERATIONAL CHECKS WERE NORMAL. THE AIRCRAFT WAS RETURNED TO SERVICE.

ATA 3200

Part: UNKNOWN — UNKNOWN (MLG) · airframe 5,123 hrs · 3,216 cycles

CREW REPORTED JUST PRIOR TO ROTATION, NOSE WHEEL MADE A LOUD BANG NOISE. LANDING GEAR HAD RETRACTED NORMALLY, BUT AFTER A FEW SECONDS A BURNING RUBBER SMELL WAS NOTED. KBZN TOWER WAS CONTACTED TO HAVE THEM PERFORM A FOD CHECK FOR POSSIBLE TIRE FRAGMENTS. FLIGHT CONTINUED TO KHOU AND PRIOR TO LANDING CREW REQUESTED A GEAR DOWN FLY-BY PAST TOWER TO VISUALLY CHECK NOSE TIRE CONDITION. NO ABNORMALITIES WERE NOTED. WHEN NOSE WHEEL WAS BROUGHT ONTO RUNWAY DURING LANDING, ANOTHER LOUD BANG NOISE WAS NOTED. CFR RESPONSE WAS GIVEN ON LANDING. MX SERVICED NOSE LANDING GEAR STRUT WITH HYDRAULIC FLUID AND NITROGEN. SEVERAL GEAR SWINGS WERE PERFORMED WITH NO NOTED DISCREPANCIES. A/C WAS RETURNED TO SERVICE.

ATA 2731

Part: JACKSCREW — ICED (TRIM SYS) · airframe 4,950 hrs · 3,103 cycles

KAPA - KRSW TRIP ID NR 898928, THE CREW REPORTED THAT THE ELEVATOR TRIM FROZE AT FL 350 WITH AN OUTSIDE AIR TEMPERATURE OF -35 DEGREES AT APPROXIMATELY 90 MINUTES INTO THEIR FLIGHT. NO PRECIPITATION WAS ENCOUNTERED FROM THE GROUND UP TO THIS POINT OF FLIGHT. AFTER DESCENDING TO 12,000 FT THE PROBLEM WAS RESOLVED. MAINTENANCE LUBRICATED THE ELEVATOR TRIM ACTUATOR. OPERATIONAL CHECKS WERE GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.

ATA 2297

Part: CONNECTOR — DIRTY (AUTOPILOT)

PILOTS REPORT AIRCRAFT (PORPOISING) IN LEVEL FLIGHT AT FL 380 WITH AUTOPILOT ENGAGED. TROUBLESHOT IAW COMMUNIQUE NR 22-07; FOUND HIGH RESISTANCE AT AUTOPILOT FLAP COMPENSATOR TRANSMITTER (FT) CONNECTOR FT-1B. CLEANED AND REINSTALLED CONNECTOR, CHECKED RESISTANCES NOW WITHIN COMMUNIQUE NR22-07 SERVICE LIMITS. RECOMMEND INVESTIGATION OF POSSIBLE REPLACEMENT AP FLAP COMPENSATOR TRANSMITTER CONNECTOR OR INSTALLATION WITH IMPROVED ENVIRONMENTAL SEALING CHARACTERISTICS. (K)

ATA 2810

Part: SEAL — TORN (FUEL LINE)

DURING REFUELING OF RT WING, FUEL WOULD EXIT OUT OF NACA VENT BEFORE TANK TOPPED OFF. RT FUEL QUANTITY INDICATION WOULD SHOW TANKS NOT FULL YET. FOUND VENT SYSTEM INTERCONNECTING TUBING SEALS TORN/MISSING BETWEEN SURGE TANK AND NACA SCOOP. REPLACED SEALS AS REQUIRED AND REASSEMBLED VENT SYSTEM INTERCONNECTING TUBING. NO FAULTS NOTED ON REFUELING. (K)