N161QS

ATA 2720

Part: TRANSDUCER — OUT OF LIMITS (RUDDER BOOST) · airframe 2,170 hrs · 2,033 cycles

DURING DESCENT, "RUDDER BOOST FAIL" ANNUNCIATOR ILLUMINATED AT 8000 FT AND 250 KTS. FLIGHT CREW ACCOMPLISHED ABNORMAL PROCEDURES IAW AFM, LIGHT DID NOT EXTINGUISH. TROUBLESHOT RUDDER BOOST SYS IAW MM 27-21-00. FOUND THE LT ENGINE LOWER PRESSURE TRANSDUCER TO HAVE HIGHER VOLTAGE READINGS THAN THE OTHER (3) PRESSURE TRANSDUCERS. REPLACED THE LT ENGINE LOWER PRESSURE TRANSDUCER WITH A NEW TRANSDUCER, RUDDER BOOST SYS CHECKS NORMAL. RECOMMEND COMPONENT MANUFACTURER INVESTIGATE FAILURE MODE AT COMPONENT TEARDOWN TO IDENTIFY FAILURE MODE. RECOMMEND AIRFRAME MFG INVESTIGATE WHETHER AN ISOLATED FAILURE, OR IF A SPECIFIC LOT OR DATE RANGE OF TRANSDUCERS FAILING AT A HIGHER THAN NORMAL RATE.

ATA 3310

Part: RHEOSTAT — SPARKS (MAP LIGHT) · airframe 1,900 hrs · 1,766 cycles

WHEN ROTATING THE RHEOSTAT TO TURN ON THE MAP LIGHT THE SIC'S SIDE OF THE COCKPIT (THE LIGHT ABOVE THE FLIGHT PHONE ON THE COCKPIT SIDE WALL) LARGE BLUE SPARKS CAME OUT FROM UNDER THE BACK PART OF THE COCKPIT WALL. THE SPARKS SHOT OUT TOWARDS THE ASH TRAY AS THE RHEOSTAT WS TURNED ON. LIGHT WAS TURNED OFF AND A PRECAUTIONARY LANDING WAS MADE. FOUND METAL CLIP SECURING COPILOTS MAPLIGHT SOCKET TO LENS ASSY TO HAVE 1 SIDE NOT SECURED CAUSING JACKET TO LAY ON TOP OF RHEOSTAT & SPARK. REPLACED COPILOT'S MAP LIGHT ASSY WITH A NEW ASSY PER MM 33-11-00. OPS CHECKED GOOD.

ATA 2110

Part: CONDENSER — FAILED (ACM) · airframe 1,860 hrs · 1,725 cycles

UPON RESETTING REFRIG COMP CB A PLUME OF WHITE SMOKE BEGAN TO FLOW FROM EMPENNAGE EXHAUST FAN. CAUSTIC FUMES WERE ALSO NOTED. REMOVED AND REPLACED VAPOR-CYCLE COMPRESSOR/CONDENSER MODULE PER MM 21-51-00-201. OPS CHECKS NORMAL PER MM 21-51-00-201.

ATA 7200

Part: ENGINE — UNKNOWN (LT & RT) · airframe 1,690 hrs · 1,563 cycles

LT & RT ENGINE FAILED TO DEVELOP TAKEOFF THRUST. PERFORMED MULTIPLE ENGINE RUNS. ADJUSTED EFC AUTHORITY ON LT ENGINE AND CHECKED ALL RIGGING AND PARAMETERS. AT OAT 10 DEGREE C DESIRED THRUST OF 98-0 BOTH ENGINES PRODUCED 99-0. IAW MM AND MFG REF, BOTH ENGINES WITHIN LIMITS AT THIS TIME.

ATA 3197

Part: CONNECTOR — DIRTY

DURING TAKEOFF ROLL WARNING HORN CAME ON. PERFORMED ENGINE GROUND RUN. RAN ENGINES AT TAKE OFF POWER WITH NO HORN NOTED, CHECK PITCH TRIM WARNING OUT POWER. CHECKED GOOD. INSPECTED TONE GENERATOR AND WIRE HARNESS WITH NO DEFECTS, CLEANED CONNECTOR AND INSTALLED. CLEANED 80% SWITCHES IN THROTTLE QUADRANT. INSPECTED SQUAT SWITCHES WITH NO DEFECTS NOTED, OP'S CHECKED NORMAL IAW MM 27-40-00-201

ATA 3240

Part: RELAY — INOPERATIVE (BRAKES) · airframe 1,489 hrs · 1,352 cycles

DURING TAXI OUT, IT REQUIRED COMPLETE RUDDER PEDAL COMPRESSION TO ENGAGE THE BRAKES. TROUBLESHOT, REMOVED AND REPLACED POWER BRAKE VALVE. PERFORMED BRAKE SYSTEM FUNCTIONAL TESTING, NO DISCREPANCIES NOTED AT THIS TIME. SERVICES HYDRAULIC RESERVOIR. PERFORMED OPERATIONAL TEST, NO DISCREPANCIES NOTED AT THIS TIME. IAW AMM 32-40-00 & 12-10-00.

ATA 3240

Part: RELAY — INOPERATIVE (POWER BRAKE) · airframe 1,253 hrs · 1,142 cycles

WHEEL BRAKES FAILED DURING TAXI OUT. REPLACED POWER BRAKE RELAY VALVE ASSY IAW 32-40-00. OPS CK GOOD.

ATA 2120

Part: UNKNOWN — ODOR (CABIN) · airframe 886 hrs · 798 cycles

UNIDENTIFIED ENVIROMENTAL SYSTEM ODOR BEGAN ENTERING THE CABIN PASSING 7000 FT WITH THE THROTTLES NEAR IDLE IN DESCENT. VISUALLY INSPECTED RT AND LT ENGINE INTAKE AND EXHAUST, NO DISCREPANCIES WERE NOTED. GAINED ACCESS TO THE REFRIGERATION UNIT AND VISUALLY INSPECTED, NO DISCREPANCIES WERE NOTED. OPERATED LT AND RT ENGINES AND ACCOMPLISHED REFRIGERATION UNIT OPERATIONAL CHECK TWO SEPARATE TIMES AT 1/2 HOUR EACH, SWITCHED PRESSURE SOURCE FROM LT RNGINE TO RT ENGINE AND NO UNUSUAL ODERS WERE NOTED IN THE COCKPIT OR CABIN. OPERATIONAL CHECK WAS FOUND TO BE SATISFACTORY. NO DISCREPANCY WAS NOTED AT THIS TIME. REINSTALLED REMOVED PANELS TO GAIN ACCESS. ACCOMPLISHED IAW HAWKER 400XP MM 21-50-00.

ATA 3240

Part: BRAKE ASSY — UNKNOWN (MLG) · airframe 820 hrs · 738 cycles

BOTH SIDES BRAKES HAVE A LOT OF TRAVEL WITH NO BRAKING THEN IT BRAKES HARD TURNING TO ONE SIDE. AFTER BLEEDING THE BRAKES WITH THE HYDRAULIC MULE AND CHECKING THE MASTER CYLINDER RESERVOIR, TAXI CHECKED AND FOUND THE BRAKES TO BE OPERATING NORMALLY IAW HAWKER 400XP AMM 32-40-00.

ATA 3240

Part: BRAKE ASSY — MALFUNCTIONED (MLG) · airframe 814 hrs · 733 cycles

BRAKES DO NOT WORK UNTIL MAXIMUM FORCE IS APPLIED (ON BOTH SIDES). HYDRAULIC PRESSURE NORMAL AND NO LIGHTS. PERFORMED VISUAL INSPECTION OF BRAKE ASSEMBLIES, MASTER CYLINDERS, MIXING & ANTISKID VALVES AND ASSOCIATED LINES. NO DEFECTS OR LEAKAGE FOUND. VERIFIED CORRECT MLG STRUTS SERVICING. VISUALLY INSPECTED L&R SQUAT SWITCHES. PERFORMED ANTI SKID BOX CONTINUITY CHECKS, ALL SATISFACTORY. CLEANED & RECONNECTED CONNECTOR (P304). OPS CHECK ON TAXI SATISFACTORY. ALL WORK PERFORMED IAW HAWKER 400X M/M 32-40-00.

ATA 3240

Part: BRAKE ASSY — MALFUNCTIONED (MLG) · airframe 624 hrs · 551 cycles

BRAKES GRAB AND TIRES SKID WITH ANTI-SKID ON. BRAKES OPERATE NORMAL WITH ANTI-SKID OFF. DEFERRED IAW NJA HAWKER 400XP. PERFORMED VISUAL INSPECTION AND OPERATIONAL CHECK OF BRAKES. NO DEFECTS NOTED. SYSTEM GROUND CHECKED GOOD IAW BE-400A MM 32-40-00-201.