N293SW

Part: SHUNT — OVERHEATED (APU GENERATOR) · airframe 24,174 hrs · 35,784 cycles

FIRST OFFICERS RELAY PANEL IS TOO HOT TO TOUCH, ALONG WITH A BURNING ODOR ON FLIGHT DECK. FOUND APU GENERATOR SHUNT/RELAY TO BE OVERHEATING. FOUND BOTH TERMINALS ON RELAY TO BE LOOSE. SECURED TERMINALS. OPS CHECK GOOD.

Part: ANGLE — CRACKED (FUSELAGE) · airframe 22,569 hrs · 33,484 cycles

LEFT FLOOR SUPPORT L ANGLE AT STA 13 CRACKED, DISCOVERED DURING C-CHECK INSPECTION. REMOVED AND REPLACED L ANGLE AT STA 13 LEFT FLOOR SUPPORT WITH A NEW PART IAW SRM 51-40-02.

Part: RIB — CRACKED (COCKPIT) · airframe 22,569 hrs · 33,484 cycles

RIB BEHIND PILOTS DV WINDOW CRACKED BETWEEN FRAME 12A AND 13, DISCOVERED DURING C-CHECK INSPECTION. INSTALLED NEW RIB BETWEEN FRAMES 12A, 13 BEHIND LT DV WINDOW IAW SRM 51-40-02 AND RII 53-800-1000.

Part: RIB — CRACKED (CABIN DOOR) · airframe 22,569 hrs · 33,484 cycles

CRACK IN RIB OF CABIN DOOR BELOW FORWARD LOWER DOOR STOP, FORWARD OF SECOND STEP DISCOVERED DURING C-CHECK INSPECTION. ACCOMPLISHED REPAIR TO RIB NEXT TO DOOR STOP FORWARD OF SECOND STEP IAW SRM 52-10-02 AND RII 52-800-1000.

Part: ANGLE — CRACKED (FUSELAGE) · airframe 22,569 hrs · 33,484 cycles

RIGHT FLOOR SUPPORT L ANGLE AT STAB CRACKED, DISCOVERED DURING C-CHECK INSPECTION. REMOVED AND REPLACED L ANGLE AT STA 13 RIGHT FLOOR SUPPORT WITH A NEW PART IAW SRM 51-40-02.

Part: PCU — MALFUNCTIONED (RIGHT) · airframe 22,388 hrs · 33,223 cycles

RIGHT ENGINE EXPERIENCED UNCOMMANDED FEATHER WHILE ON THE GROUND. REPLACED RIGHT TORQUE SIGNAL CONDITIONER AND PCU WITH A SERVICEABLE UNIT IAW MM 61-00-00. SEE RII 61-900-1003. OPERATIONAL CHECKS GOOD. TORQUE SIGNAL CONDITIONER, P/N OFF: 30005-0000-52 S/N OFF: 1324.

Part: ACTUATOR — OUT OF RIG (RT PROPELLER) · airframe 21,793 hrs · 32,373 cycles

RT PROP FEATHERED ON GROUND WHILE PARKED ON RAMP WITH BOTH ENGINES IN GRD IDLE. PROP FEATHER WHEN POWER LEVER WAS INCREASED 2-3% NP. RE-RIGGED RT PROP ACTUATOR AND PCU IAW MM HS MM 61-10-00. OPERATIONAL CHECK GOOD.

Part: LEVER — FAILED (COCKPIT) · airframe 21,028 hrs · 31,207 cycles

FLAPS WOULD NOT EXTEND TO TAKE OFF POSITION. REPLACED FLAP SELECTOR LEVER. OPERATIONAL CHECK GOOD.

Part: ANNUNCIATOR — MALFUNCTIONED (TE FLAPS) · airframe 20,561 hrs · 30,521 cycles

ON FINAL FLAPS 15 SELECTED FLAP CONTROL FAULT, AND SINGLE CHIME SOUNDED. REPLACED FLAP ANNUNCIATOR UNIT IAW 27-50-00. OPERATIONAL CHECK GOOD.

Part: ACTUATOR — MALFUNCTIONED (TE FLAP) · airframe 20,018 hrs · 29,624 cycles

RT INBOARD FLAP HANGS DOWN APPROX 2 INCHES ON THE GROUND. R & R RT INBOARD FLAP ACTUATOR IAW EMB 120 MM 27-50-00. OPS CHECK GOOD.

Part: ACTUATOR — MALFUNCTIONED (TE FLAPS) · airframe 18,990 hrs · 28,026 cycles

ON THE GROUND, RECEIVED FLAP LIGHT ON THE MAP WITH THE INBOARD FLAPS. REMOVED AND REPLACED LEFT INBOARD FLAP ACTUATOR. OPERATIONAL CHECK GOOD IAW 27-50-02, P/N 343000-1005 S/N ON 0349 S/N OFF 0523.

Part: RELAY — BURNED (APU FEEDER) · airframe 18,217 hrs · 26,812 cycles

BURNING ODOR COMING FROM F/O RELAY SIDE PANEL. REPLACED APU FEEDER PROTECTOR RELAY AND BRACKET. OPERATIONAL CHECK GOOD.

Part: REGULATOR VALVE — LEAKING (LT ENGINE) · airframe 18,175 hrs · 26,750 cycles

IMMEDIATELY AFTER T/O AS RETRACTING WHEELS, MASTER WARNING, MAP DUCT LEAK, AIR CONDITIONING PANEL DUCT LEAK. RETURNED TO LAX. SHUT DOWN LEFT ENGINE ON TAXI WAY. LIGHT OUT ON ENGINE SHUTDOWN. REPLACED LEFT ENGINE PRESSURE REGULATOR IAW MM EMB 30-10-06. OPERATIONAL CHECK GOOD.

Part: DUCT — LEAKING (ENGINE BLEED) · airframe 18,175 hrs · 26,750 cycles

ON TAKEOFF OUT OF LAX AT ABOUT 300 FT, RECEIVED A DUCT LEAK ON LEFT ENGINE. SHUTDOWN LEFT ENGINE AND LIGHT EXTINGUISHED AFTER 2-3 MINUTES. RETURNED TO LAX. REINSTALLED COVER OVER REGULATING VALVE. RAN ENGINE WITH BLEEDS IN LOW AND AUTO FOR 1/2 HOUR. NO DEFECTS NOTED.

Part: ARM — MALFUNCTIONED (CONTROL WHEEL) · airframe 17,961 hrs · 26,409 cycles

DURING PREFLIGHT NOTICE A SIGNIFICANT BINDING IN THE CONTROL WHEEL WHEN AILERONS ARE USED RIGHT AND LEFT AND IN ALL POSITIONS OF THE ELEVATOR. REMOVED AND REPLACED RIGHT AILERON RVDT AND ARM IAW EMB MM 31-30-11. OPERATIONAL CHECK GOOD. P/N: D370519, S/N OFF: 00D00131.

Part: RELAY — FAILED (COCKPIT) · airframe 17,659 hrs · 25,982 cycles

BURNING SMELL COMING FROM THE APU FEED PANEL (F/O'S SIDE). REMOVED AND REPLACED APU FEEDER PROTECTION RELAY AND CONNECTION BARS IAW EMB120 MM 20-00-00 AND WM 20-40-00. OPS CHECK. NO MORE ODOR. P/N: 25583-448258051-22, 120-24038-501, 120-24029-001.

Part: COMPUTER — MALFUNCTIONED (NR 2 AUTOPILOT) · airframe 17,422 hrs · 25,607 cycles

WHEN SELECTING AUTOPILOT TO FIRST OFFICER'S SIDE, THE TRIM FAILS WITH ALL ASSOCIATED WARNINGS. RERACKED NR 2 AUTOPILOT COMPUTER. OPS CHECKS GOOD.

Part: COMPUTER — MALFUNCTIONED (AUTOPILOT SYS) · airframe 17,301 hrs · 25,433 cycles

COMPUTER FLAG ON F/O'S ADI INTERMITTENTLY. ASSOCIATED CAUTIONS AND A/P DISCONNECTED. RECEIVED ONE NOSE DOWN PITCH ABOUT 3 DEGREES AND THEN CORRECTED ITSELF. REMOVED AND REPLACED NR 2 A/P COMPUTER. OPS CHECKED GOOD ON GROUND TEST. P/N 622-8315-402, S/N ON 2468, S/N OFF 3300.

Part: PROXIMITY SENSOR — MALFUNCTIONED (LT ELEVATOR TRIM) · airframe 17,191 hrs · 25,269 cycles

RECEIVED AURAL WARNING, TRIM ON TAKEOFF ROLL. TRIM SETTING WAS IN THE GREEN BAND. ABORTED T/O RETURNED TO GATE. REMOVED AND REPLACED LEFT ELEVATOR TRIM PROXIMITY SENSOR IAW EMB 120 MM 27-32-05. OPS CHECK GOOD. P/N 922AAZY-AGP-Z722.

Part: SWITCH — INOPERATIVE (FLAP SELECTOR) · airframe 16,038 hrs · 23,514 cycles

UPON SELECTING FLAPS, 25 GOT A (CONTROL FAULT). PERFORMED QRH, CLEARED FAULT. SELECTED FLAPS 25 SECOND TIME, ALSO GOT A CONTROL FAULT. SELECTED RESET, CLEARED FAULT AND LANDED. REPLACED FLAP SELECTOR. RERACKED FCU COMPUTER. CLEARED ALL FAULTS. OPS CHECKED GOOD. SN OFF 120025R.

Part: WIRE — BROKEN (FLAP ACT HARNESS) · airframe 15,878 hrs · 23,270 cycles

FLAPS CONTROL FAULTED INFLIGHT. OUTBOARD PAIR ON ANNUNCIATOR FLASHING. TROUBLESHOT FLAP SYSTEM. FOUND BROKEN WIRES IN HARNESS AT LEFT OUTBOARD FLAP ACTUATOR. REPAIRED BROKEN WIRES IAW WM 20-21-00. OPS CHECK GOOD.

Part: ANNUNCIATOR — FAILED (TE FLAPS) · airframe 15,872 hrs · 23,261 cycles

ON DEPARTURE WITH FLAPS SET 15, RECEIVED CONTROL FAULT WARNING. RESET AS PER QRH. FLAPS OPERATED NORMALLY. REMOVED AND REPLACED ANNUNCIATOR IAW MM 27-50-05. OPS CHECKS GOOD. NO FAULTS FOUND.

Part: BATTERY — INOPERATIVE (EMERGENCY LIGHT) · airframe 15,244 hrs · 22,303 cycles

ROW 9 OVERHEAD BIN, FLOOR AND DOOR EMERGENCY LIGHTS INOP. REPLACED EMERGENCY LIGHTING BATTERY PER 32-00-00. OPS CHECK GOOD NR 3 POSITION.

Part: BRACKET — CRACKED (RT NACELLE) · airframe 14,862 hrs · 21,689 cycles

RT NACELLE HYDRAULIC RESERVOIR AREA, CRACKED BRACKET JUST AFT OF HYDRAULIC RETURN FILLER PORT. FOUND DURING "C" CHECK INSPECTION. REPLACED BRACKET IAW 120 SRM 51-10-02.

Part: FLOOR SUPPORT — CUT (FUSELAGE) · airframe 14,862 hrs · 21,689 cycles

FLOOR SUPPORT AT STATION 40 AND 41 UNDER CARGO FLOOR CUT ON RT SIDE OF AIRCRAFT IN FRONT AND BEHIND CABLE PULLEYS. REPLACED RIBS 40 AND 41 IAW 120 SRM 51-10-02.

Part: FRAME — CRACKED (LT NACELLE) · airframe 14,862 hrs · 21,689 cycles

LT ENGINE NACELLE FRAME NR 1 CRACKED. FOUND DURING "C" CHECK INSPECTION. INSTALLED NEW FRAME NR 1 IAW SB 120-54-0036.

Part: SCREW — CORRODED (SEAT TRACKS) · airframe 14,862 hrs · 21,689 cycles

FLOOR SEAT TRACKS HAVE CORROSION ON 90 PERCENT OF SCREW HEADS. FOUND DURING C CHECK INSPECTION. REPLACED RT AND LT FLOOR SEAT TRACKS AND ATTACHING HARDWARE IAW EMB MM 53-01-05.

Part: WIRE HARNESS — CHAFED (LT WING) · airframe 14,862 hrs · 21,689 cycles

LT WING WIRE HARNESS CHAFED ON FUEL LINE THAT GOES TO VENT VALVE. FOUND DURING "C" CHECK INSPECTION. REMOVED AND REPLACED LT WING WIRE HARNESS WITH SERVICEABLE UNIT. OPS CHECK GOOD.

Part: PCU — MALFUNCTIONED (LT PROPELLER) · airframe 14,836 hrs · 21,643 cycles

ABORTED TO - POSITIONED POWER LEVER, JUST BEYOND FLT. IDLE, LT TORQUE RAPIDLY INCREAASING (TO APPROX. 60 PERCENT TQ). NP DECREASED TO APPROXIMATELY 25 PERCENT THEN RAPIDLY INCREASED TO APPROXIMATELY 70 PERCENT WHILE STILL IN BETA ON THE LT ONLY. REPLACED LT PCU IAW MM 61-21-00. OPS AND LEAK CHECKED GOOD.

Part: LATCH — OUT OF ADJUST (RT MLG) · airframe 14,462 hrs · 21,083 cycles

NOTICED RIGHT MAIN GEAR INBOARD DOOR OPEN IN FLIGHT. RETURNED TO LAX. TIGHTENED AND ADJUSTED RIGHT MAIN GEAR INBOARD DOOR LATCH PIVOT BOLT. CYCLED GEAR DOORS SEVERAL TIMES. OPS CHECK GOOD.

Part: ALTIMETER — FAILED (COCKPIT) · airframe 14,264 hrs · 20,780 cycles

ON CLIMBOUT, CAPTAIN'S ALTIMETER STUCK AT 1,000 FT, VSI STUCK AT 100 FPM CLIMB, RED FLAGS ON ALTIMETER AND ALTITUDE SELECTOR, LOST THE TCAS AND MODE C. RETURNED TO PDX. REPLACED CAPTAIN'S ALTIMETER IAW MM 34-11-00. OPS CHECKS/LEAK CHECKS GOOD.

Part: SWITCH — OUT OF ADJUST (PAX DOOR) · airframe 13,847 hrs · 20,097 cycles

ON TAKEOFF ROLL FORWARD DOOR LIGHT ILLUMINATED. ABORTED TAKEOFF. ADJUSTED PAX DOOR MICROSWITCH AS REQUIRED. OPS CHECK GOOD.

Part: EEC — MALFUNCTIONED (RT ENGINE) · airframe 13,607 hrs · 19,721 cycles

RIGHT EEC FAILURE ON TAKEOFF, ABORTED TAKEOFF. REMOVED AND INSTALLED SERVICEABLE RIGHT EEC IAW MM 73-22-00. REPLACED RIGHT ENGINE NP SENSOR WITH SERVICEABLE UNIT. LEAK CHECK ON ENGINE NP SENSOR CHECKS GOOD. NO LEAKS NOTED AT THIS TIME. RAN RIGHT ENGINE, EEC OPS CHECKS GOOD.

Part: MANIFOLD — CRACKED (APU) · airframe 12,666 hrs · 18,259 cycles

WITH APU BLEED AIR ON CABIN SMELLS OF FUEL. RAN LEFT AND RIGHT ENGINE BLEEDS, NO FUEL SMELL NOTED. FOUND LEAK IN SECONDARY FUEL MANIFOLD CRACK AT THE FLARE. REPLACED APU SECONDARY FUEL MANIFOLD WITH SERVICEABLE ASSEMBLY. OPS CHECK GOOD. NO LEAKS NOTED AT THIS TIME.

Part: SEQUENCE VALVE — FAILED (MLG) · airframe 3,926 hrs · 5,509 cycles

LEFT MAIN GEAR WOULD NOT RETRACT AFTER TAKEOFF. ADJUSTED LEFT INBOARD FORWARD GEAR DOOR SEQUENCE VALVE IAW MM 32-32-04. SWING GEAR OPS CHECK GOOD.

Part: FIRE BOTTLE — DISCHARGED (CABIN) · airframe 3,918 hrs · 5,496 cycles

FIRE EXTINGUISHER UNDER THE FLIGHT ATTENDANT SEAT IS SHOWING EMPTY. REPLACED FIRE EXTINGUISHER UNDER THE FA'S SEAT WITH SERVICEABLE UNIT. P/N ON: 1211 S/N ON: W070425 S/N OFF: V-877583

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 3,846 hrs · 5,379 cycles

ON TAKEOFF ROLL AT ABOUT 95 KTS, AURAL WARNING (TAKEOFF, BRAKE, TRIM, FLAPS) WAS ACTIVATED. TAKEOFF WAS ABORTED. UPDATE 7/10/2001: TAKEOFF TRIM AURAL WARNING GOES OFF WITH THE INDICATOR .5 INCH WITHIN THE GREEN BAND. POWERED DOWN SYSTEM. TEST NO GOOD. RE-RACKED AND POWERED DOWN SYSTEM. OPS CHECK GOOD AT THIS TIME. UPDATE 7/10/2001: ADJUSTED TRIM PROXIMITY SENSORS IAW 27-32-06. GROUND OPS CHECK GOOD AT THIS TIME.

Part: REGULATOR — MALFUNCTIONED (DEICE SYS) · airframe 11,796 hrs · 16,982 cycles

RIGHT DUCT LEAK ILLUMINATED IN FLIGHT. RAN QRH PROCEDURES. DID PRECAUTIONARY SHUT DOWN AND RESTART, LIGHT ILLUMINATED AGAIN. SHUT DOWN NR 2 ENGINE AND SHOT SINGLE ENGINE APPROACH. FOUND RIGHT DEICE REGULATOR DRAIN BOWL BLOWN OFF REGULATOR. REPLACED RIGHT DEICE PRESSURE REGULATOR. REINSTALLED REGULATOR DRAIN BOWL. RAN BOTH ENGINES AND BLEEDS FOR 10 MIN AT SEVERAL POWER SETTINGS. ALL CHECKS GOOD. S/N ON RF-2238.

Part: CONTROLLER — MALFUNCTIONED (CABIN PRESSURE) · airframe 11,645 hrs · 16,777 cycles

LOSS OF CABIN PRESS AT 17K SUDDEN TOTAL LOSS. RETURNED TO SEA. RE-SAFTIED MANUAL OUTLFOW VALVE TO THE CLOSED POSITION DUE TO THE MANUAL PRESSURIZATION PREVIOUS DEFERRAL. AUTO PRESSURIZATION OPS CHECK GOOD ON GROUND AT THIS TIME. INSTALLED NEW AUTO CONTROLLER. OPS CHECKS GOOD.

Part: WARNING SYSTEM — ACTIVATED (COCKPIT) · airframe 11,232 hrs · 16,211 cycles

ABORTED TAKEOFF DUE TO AURAL WARNING FOR TRIM. AURAL WARNING SOUNDS AT INDEX OF 32-31, OK AT INDEX OF 30. ADJUSTED BOTH AURAL WARNING PROXIMITY SENSORS. OPS CHECK GOOD IAW EMB120 MM.

Part: SENSOR — CORRODED (STICK SHAKER) · airframe 11,193 hrs · 16,141 cycles

AT TAKEOFF BEGINNING OF ROLL, THREE CHIME TRIM FAIL. ABORTED TAKEOFF. TRIM WAS IN GREEN AT 35 PERCENT. TESTED AND ADJUSTED TRIM. ATTEMPTED STATIC TAKEOFF AND RECEIVED TRIM FAIL TRIPLE CHIME. WENT BACK TO BOX. FOUND CORROSION ON HAND SHAKES AT RIGHT PROXIMITY SENSOR. INSTALLED NEW WRIST LOCKS AND OPERATED TRIM WARNING IAW 31-00-00. OPS CHECK GOOD AT THIS TIME.

Part: FCU — MALFUNCTIONED (TE FLAPS) · airframe 11,104 hrs · 15,995 cycles

AFTER TAKEOFF OUTBOARD FLAPS WOULD NOT RETRACT ABOVE 5 DEGREES INDICATED AND CONTROL FAULT WARNING OCCURRED. CONTROL FAULT WOULD NOT RESET. CONTINUED AT 180 KNOTS. FLAPS EXTENDED NORMALLY FOR LANDING. AFTER LANDING OUTBOARD FLAPS WOULD NOT RETRACT ABOVE 15 DEGREES. INSPECTED OUTBOARD FLAP ROLLERS. REPLACED FCU. P/N 347200-101. CLEARED ALL FAULTS. RAN FLAPS. OPS CHECKS GOOD.

Part: CONTROL UNIT — FAILED (TE FLAPS) · airframe 11,093 hrs · 15,977 cycles

WHEN SELECTING FLAPS UP AFTER TAKEOFF HAD A CONTROL FAULT FOR THE OUTBOARD FLAPS. FOLLOWED QRH PROCEDURE BUT WOULD NOT RESET. RETURNED TO SFO. REPLACED FLAPS CONTROL UNIT. FLAP SYSTEM OPS CHECKS OK. P/N ON: 347-200-1001, S/N ON: 0034.

Part: ACTUATOR — FAILED (TE FLAPS) · airframe 11,104 hrs · 15,995 cycles

FLAP CONTROL FAULT ON FLAP RETRACT, WOULD NOT RESET. OUTBOARD FLAP PAIR STUCK AT 15 DEGREES. RETURNED TO SFO. (3RD REPEAT). READ FAULT CODES AND TROUBLESHOOTING CODES SOL SHORT TO GROUND IAW INSTRUCTION PROVIDED. CLEANED OUT LEFT OUTBOARD FLAP ACTUATOR EXTENSION AND RETRACTION SOLENOID. OHM IS WITHIN LIMITS PER MM 27-50-00. ALSO PERFORMED FLAP ACTUATOR VELOCITY TEST AND DRIFT TESTS, BOTH TEST NORMAL. REPLACED LEFT OUTBOARD FLAP ACTUATOR DUE TO FAULT CODES. PER MM 27-50-00 RII CARD 27-307 TASK CARD. CYCLED FLAPS AND CLEARED ALL FLAP FAULTS. OPS CHECK OF FLAPS GOOD ON GROUND.

Part: ACTUATOR — FROZEN (ELEVATOR TRIM) · airframe 11,015 hrs · 15,860 cycles

AFTER LEVEL OFF AT FL200 IT APPEARED THAT ELEVATOR TRIM WAS NOT TURNING WHEN COMMANDED BY AUTOPILOT. AUTOPILOT WAS DISENGAGED AND ELEVATOR TRIM WAS FROZEN. AFTER DISENGAGE BELOW FREEZING LEVEL FOR 1.5 MINUTES, TRIM MOVED FREELY. REPLACED LEFT AND RIGHT ELEVATOR TRIM ACTAUTOR IAW EMB 120 MM CH 27-32-02. OPS CHECK GOOD.

Part: WARNING SYSTEM — ACTIVATED (COCKPIT) · airframe 10,853 hrs · 15,630 cycles

''HIGH SPEED'' AURAL WARNING ON TAKEOFF ROLL 60 KIAS. ABOARTED TAKEOFF. PERFORMED AIRSPEED FUNCTIONAL/OPERATIONAL TEST IAW EMB120 MM 34-12-01. NO FAULT FOUND. SYSTEM OPERATES NORMALLY.

Part: ACTUATOR — FAILED (AILERON) · airframe 10,538 hrs · 15,173 cycles

AILERON TRIM WHEEL FREEZES INFLIGHT IN NEGATIVE TEMPS. REPLACED AILERON TRIM ACTUATOR IAW MM 27-12-01. OPS CHECKS GOOD. P/N ON: 5301, S/N: 394, S/N OFF: 408.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 10,483 hrs · 15,099 cycles

TRIPLE CHIME ''''HIGH SPEED'''' ON TAKEOFF ROLL. ABORTED TAKEOFF. RECYCLED CB FOR NUMBER ONE AND NUMBER TWO SYSTEMS. GROUND OPS CHECKS GOOD AT THIS TIME.

Part: BATTERY — MALFUNCTIONED (EMERGENCY BUSS)

EMERGENCY BUSS OFF LIGHT ILLUMINATED IN FLIGHT. RETURNED TO PDX. REPLACED BACK UP BATTERY IAW MM CHP 24. OPS CHECK GOOD. SN ON 10023, SN OFF 8772.

Part: ACTUATOR — FAILED (RUDDER)

RIGHT RUDDER STUCK JUST PAST HALF TRAVEL. SHUT OFF BLUE RUDDER SYSTEM AND RUDDER TRAVEL BECAME FREE. RETURNED TO SLC. INSTALLED SERVICEABLE RUDDER ACTUATOR FOR BLUE SYSTEM IAW 27-20-00. NO LEAKS NOTED. OPS CHECKS GOOD.

Part: VALVE — FAILED (LEFT)

LEFT DUCT LEAK AFTER TAKEOFF. RETURNED FOR LANDING IN PSP. CHECKED FOR DUCT LEAK IN LEFT WING INBOARD LEADING EDGE TO LEFT AIR-CONDITIONING PACK. FOUND LEFT AIR-CONDITIONING PRESSURE REGULATOR/SHUT-OFF BLEED LEAKING BLEED AIR. REPLACED LEFT PRESSURE REGULATING SHUT-OFF BLEED VALVE. OPS CHECKS GOOD.

Part: CLAMP — LOOSE (HEAT EXCHANGER)

LEFT ENGINE DUCT LIGHT ILLUMINATED DURING CLIMB-OUT. RETURNED TO PSP. REMOVED PANELS, TIGHTENED CLAMP ON HEAT EXCHANGER. REPLACED BOTH SENSORS IN LEFT PACK AREA. RAN ENGINES AND APU. NO DUCT LEAK LIGHT AT THIS TIME. INSTALLED ALL REMOVED PANELS.

Part: VENTURI — FAILED (LT PACK)

RED DUCT LEAK LIGHT ILLUMINATED (LEFT SIDE) IN FLIGHT. RETURNED TO AIRPORT. REPLACED FLOW LIMITING VENTURI ON LEFT PACK ASSY. OPS AND LEAK CHECKS GOOD.

Part: STRAP — CORRODED (CARGO COMPT)

RIGHT BUTT STRAP IN AFT CARGO BAY AREA HAS CORROSION. REMOVED AND REPLACED AFT RIGHT BUTT STRAP IN CARGO AREA, IAW SRM 51-40-02.

Part: STRAP — CORRODED (CABIN)

BUTT STRAP CENTER FORWARD OF LAVATORY HAS CORROSION. REMOVED AND REPLACED BUTT STRAP CENTER FORWARD OF LAVATORY IAW SRM 51-40-02.

Part: STRAP — CORRODED (CARGO COMPT)

RIGHT BUTT STRAP IN AFT CARGO BAY AREA HAS CORROSION. REMOVED AND REPLACED AFT RIGHT BUTT STRAP IN CARGO AREA, IAW SRM 51-40-02.

Part: BEAM — CORRODED (CABIN)

CAPS FOR CROSSBEAMS FORWARD AND AFT OF LAVATORY HAVE CORROSION. REMOVED AND REPLACED T-SECTIONS ON FORWARD AND AFT OF LAVATORY CROSSBEAMS IAW SRM 51-40-02.

Part: STRAP — CORRODED (CABIN)

BUTT STRAP CENTER FORWARD OF LAVATORY HAS CORROSION. REMOVED AND REPLACED BUTT STRAP CENTER FORWARD OF LAVATORY IAW SRM 51-40-02.

Part: STRAP — CORRODED (CABIN)

BUTT STRAP RIGHT SIDE FORWARD OF LAVATORY HAS CORROSION. REMOVED AND REPLACED RIGHT BUTT STRAP FORWARD OF LAVATORY IAW SRM 51-40-02.

Part: BEAM — CORRODED (CABIN)

CAPS FOR CROSSBEAMS FORWARD AND AFT OF LAVATORY HAVE CORROSION. REMOVED AND REPLACED T-SECTIONS ON FORWARD AND AFT OF LAVATORY CROSSBEAMS IAW SRM 51-40-02.

Part: STRAP — CORRODED (CARGO COMPT)

AFT CENTER BUTT STRAP IN CARGO AREA HAS CORROSION. REMOVED AND REPLACED AFT CENTER BUTT STRAP IN CARGO AREA, IAW SRM 51-40-02.

Part: STRAP — CORRODED (CARGO COMPT)

AFT CENTER BUTT STRAP IN CARGO AREA HAS CORROSION. REMOVED AND REPLACED AFT CENTER BUTT STRAP IN CARGO AREA, IAW SRM 51-40-02.

Part: DE-ICE SYST — MALFUNCTIONED (LT/RT SYST)

OUTBOARD LEFT AND OUTBOARD RIGHT DE-ICE BOOTS AND ENGINE INLET ON RIGHT SIDE WENT INOP WHEN ACTUATED. RETURNED TO LAX. PERFORMED FUNCTIONAL CHECK OF ALL EJECTOR VALVES AND CLEANED CANNON PLUGS ON DE-ICE MONITOR. ALL CHECKS GOOD AT THIS TIME.

Part: NH SENSOR — FAILED (LT ENGINE)

LEFT ENGINE LOST 40 PERCENT TORQUE AND ALL OTHER INDICATION DROPPED. RETURNED TO FIELD, MEL 73-21-1. REPLACED LEFT ENGINE NH SENSOR. PERFORMED GROUND RUN AND OPS CHECKS GOOD.

Part: PROXIMITY SENSOR — MALFUNCTIONED (LT MLG)

LEFT MAIN GREEN 'A' LIGHT WILL NOT EXTINGUISH WITH LANDING GEAR UP. RETURNED TO FIELD. INSTALLED NEW LEFT MAIN A DOWN PROX SENSOR, SWUNG GEAR. OPS CHECKS GOOD.