N393SW

Part: CONTROL COLUMN — OBSTRUCTED (COCKPIT) · airframe 28,673 hrs · 42,108 cycles

AILERON ROLL CONTROL VERY STIFF. (FLT 6318)REMOVED FOD FROM BETWEEN YOKE AND COLUMN.

Part: LAMP — BURNED OUT (EMERGENCY LIGHT) · airframe 27,983 hrs · 41,096 cycles

FLT 6446, FORWARD FLOOR RED EMERGENCY LIGHT INOP. RELAMPED.

Part: LIGHT — LOOSE (CABIN) · airframe 27,717 hrs · 40,694 cycles

FLT 6072 - RED EMERGENCY PATH LIGHTING AT ROW 2 INOP. REPOSITIONED LIGHT.

Part: FIRE BOTTLE — EMPTY (APU BAY) · airframe 26,022 hrs · 38,398 cycles

APU FIRE BOTTLE DISCHARGED. FLIGHT 5752. REPLACED APU FIRE BOTTLE ASSEMBLY WITH A SERVICEABLE ASSEMBLY. OPS CHECK GOOD.

Part: STRINGER — CRACKED (RT WING) · airframe 24,691 hrs · 36,523 cycles

RIGHT WING FUEL PANEL ACCESS HAS A CRACK ON STRINGER 10 BETWEEN FRAMES 8 AND 9. REPAIRED CRACKED AFT STRINGER IAW SRM 57-20-03.

Part: STRINGER — CRACKED (RT WING) · airframe 24,691 hrs · 36,523 cycles

RIGHT WING FUEL PANEL ACCESS HAS A CRACK ON STRINGER 8 BETWEEN FRAMES 8 AND 9. REPAIRED STRINGER IAW SRM 57-20-03.

Part: WHEEL — BROKEN (NR 2) · airframe 24,451 hrs · 36,169 cycles

FLT 5552 - DURING POST FLIGHT, NOTICED NR 2 MAIN WHEEL ASSEMBLY APPEARED TO BE BROKEN. REPLACED BOTH LEFT WHEEL ASSEMBLIES, PN 3-1446-1 SN OFF 0538 PN 3-1446-1 SN OFF 777.

Part: BUTTSTRAP — CORRODED (FUSELAGE) · airframe 22,596 hrs · 33,521 cycles

FOUND CORROSION AT RIGHT AND CENTER BUTTSTRAPS NEAR LAV AREA, DISCOVERED DURING C-CHECK INSPECTION. REPLACED RIGHT AND CENTER BUTTSTRAPS NEAR LAV AREA IAW SRM 120 51-10-02 PG 3 SEC 3A.

Part: STRUCTURE — CRACKED (PAX DOOR) · airframe 22,596 hrs · 33,521 cycles

PAX DOOR HAS A CRACK UNDER LOCK FASTENER FWD AND AFT STRINGER NEXT TO 3RD STEP, DISCOVERED DURING C-CHECK INSPECTION. REPLACED CRACKED BRACKETS ON PAX DOOR SECURED IAW EMB 120 SRM 51-40-02.

Part: BUTTSTRAP — CORRODED (FUSELAGE) · airframe 22,596 hrs · 33,521 cycles

FOUND CORROSION AT PASSENGER DOOR ENTRANCE BUTTSTRAP, DISCOVERED DURING C-CHECK INSPECTION. REPLACED BUTTSTRAP AT PASSENGER DOOR ENTRANCE IAW SRM 51-10-02 PG 3 SEC 3A.

Part: BUTTSTRAP — CORRODED (FUSELAGE) · airframe 22,596 hrs · 33,521 cycles

FOUND CORROSION AT CARGO DOOR ENTRANCE BUTTSTRAP, DISCOVERED DURING C-CHECK INSPECTION. REPLACED BUTTSTRAP AT CARGO DOOR ENTRANCE IAW SRM 120 51-10-02 PG 3 SEC 3A.

Part: FRAME — CRACKED (LT NACELLE) · airframe 22,596 hrs · 33,521 cycles

FOUND LEFT NACELLE FRAME 1 CRACKED AT INBOARD WEB, DISCOVERED DURING C-CHECK INSPECTION. INSTALLED NEW LEFT FRAME NR 1 IAW EMB 120 SRM 51-40-02, SB 120-54-0036 PART II AND RII 54-900-1000.

Part: HMU — MALFUNCTIONED (RT ENGINE) · airframe 22,023 hrs · 32,706 cycles

RIGHT ENGINE SHUTDOWN AFTER LANDING AND EXITING RUNWAY. REPLACED LEFT HMU AND FUEL CONTROL UNIT IAW MM 73-21-00 AND MM 73-13-00. PERFORMED ENGINE RUNS IAW MM 71-00-00. OPERATIONAL CHECKS GOOD, HMU PN: 5009986-C SN OFF: 3116.

Part: PULLEY — BINDING (AILERON CONTROL) · airframe 20,557 hrs · 30,545 cycles

PILOT REPORTED SLIGHT DETENT WHEN MOVING AILERONS THROUGH CENTER POSITION. REPLACED RIGHT AILERON WING BOX LOWER PULLEY IAW 27-00-01. REMOVED AILERON AUTOPILOT SERVO AND INSP CLUTCH FOR FREEDOM OF MOVEMENT FOUND GOOD. INSTALLED SERVO, CYCLED AILERONS THROUGH FULL TRAVEL. OPERATIONAL CHECK GOOD.

Part: ACTUATOR — MALFUNCTIONED (RUDDER) · airframe 19,561 hrs · 29,091 cycles

RIGHT RUDDER JAMS AFTER ROTATION. REPLACED BLUE SYSTEM RUDDER ACTUATOR IAW EMB MM 27-22-00 AND 27-22-02. OPERATIONAL CHECK GOOD.

Part: ACTUATOR — MALFUNCTIONED (TE FLAPS) · airframe 19,211 hrs · 28,569 cycles

FLAP DISAGREEMENT DURING FLAP RETRACTION ON AFTER LANDING CHECK. "INBD" LIGHTS FLASHING. REPLACED THE LEFT INBOARD FLAP ACTUATOR IAW MM 27-50-07. OPERATIONAL CHECK GOOD.

Part: INTERCOSTAL — CRACKED (FUSELAGE) · airframe 18,908 hrs · 28,111 cycles

CLIP CRACKED AT FRAME 12A JUST AFT LT DV WINDOW, ITEM FOUND AT C-CHECK INSPECTION. REPLACED INTERCOSTAL AT FRAME 12A AFT OF PILOT'S DV WINDOW PER EMB120 SRM 51-40-02.

Part: ACTUATOR — MALFUNCTIONED (TE FLAPS) · airframe 17,772 hrs · 26,384 cycles

LEFT INBOARD FLAP DROOPS. REMOVED AND REPLACED LEFT INBOARD FLAP ACTUATOR IAW MM 27-50-00. OPERATIONAL CHECK GOOD.

Part: WIRE — CHAFED (CABIN) · airframe 17,542 hrs · 26,028 cycles

EMERGENCY LIGHT C/B POPS WHEN TESTED. REPAIRED CHAFED WIRE AT EMERGENCY LIGHT BATTERY PACK NR 2. OPERATIONAL CHECK GOOD.

Part: ACTUATOR — MALFUNCTIONED (TE FLAPS) · airframe 17,298 hrs · 25,649 cycles

RT IB FLAP DOES NOT FULLY RETRACT. REPLACED RT IB FLAP ACTUATOR IAW MM 27-50-07. OPERATIONAL CHECK GOOD.

Part: ACTUATOR — MALFUNCTIONED (LT IB FLAP) · airframe 17,081 hrs · 25,318 cycles

ON TAXI OUT, SELECTED FLAPS 15 DEGREES, THE LT IB FLAP WENT TO 45 DEGREES CAUSING AN ASYMMETRY. REPLACED LT IB FLAP ACTUATOR IAW MM 27-50-00. OPERATIONAL CHECK GOOD.

Part: ACTUATOR — LEAKING (T/E FLAP) · airframe 16,179 hrs · 23,876 cycles

DURING APPROACH INTO MRY GOT A DISAGREEMENT WITH FLAP SELECTOR AT 25 FT THE NACELLE FLAPS WERE AT 0 DEGREES SHORTLY AFTER THE BLUE HYD QUANTITY AND PRESSURE WENT TO 0 AND ASSOCIATED LIGHTS. DIVERTED TO SFO. REPLACED LEAKING LEFT NACELLE FLAP ACTUATOR PER MM 27-50-08. OPS AND LEAK CHECKS GOOD.

Part: WIRE — CHAFED (FUEL BOOST PUMP) · airframe 15,671 hrs · 23,085 cycles

LEFT FORWARD FUEL BOOST PUMP HAS CHAFED WIRE. DISCOVERED DURING C-CHECK INSPECTION. REMOVED AND REPLACED LEFT FORWARD FUEL BOOST PUMP IAW MM 28-21-02.

Part: COMPUTER — MALFUNCTIONED (AUTOPILOT) · airframe 15,612 hrs · 23,003 cycles

AUTOPILOT FAILED WHEN SELECTED TO CAPTAIN'S SIDE. COMPUTER FLAG SHOWING ON CAPTAIN'S ADI. REPLACED CAPTAIN'S AUTOPILOT COMPUTER. OPS CHECK GOOD PER 22-11-00.

Part: CONTROL ARM — LOOSE (LT ENGINE) · airframe 15,277 hrs · 22,489 cycles

LEFT ENGINE DID NOT SHUTDOWN IN FUEL CUT OFF (1ST ATTEMPT). FOUND FUEL CUTOFF SERRATED ARM ON THE HMU TO PCU LOOSE. RETORQUED, SAFETIED AND RAN LT AND RT ENGINES. OPS CHECK GOOD.

Part: POWER SUPPLY — MALFUNCTIONED (EMERGENCY LIGHT) · airframe 14,662 hrs · 21,531 cycles

EMERGENCY EXIT LIGHTS OPERATE INTERMITTENTLY FROM F/A STATION AND FLIGHT DECK. REMOVED AND REPLACED AFT EMERGENCY LIGHT BATTERY IAW 33-50-00. OPS CHECK OK.

Part: COMPUTER — MALFUNCTIONED (NR 1 AUTOPILOT) · airframe 14,662 hrs · 21,531 cycles

CAPTAIN'S AUTOPILOT SPONTANEOUSLY DISENGAGES WITH CORRESPONDING RED A/P LIGHTS AND AURAL WARNING. CAPTAIN FLIGHT DIRECTOR AND F/O'S A/P OPERATE NORMALLY. REPLACED NR 1 APC-65B. OPS CHECK GOOD.

Part: SEAL — DIRTY (PAX DOOR) · airframe 13,861 hrs · 20,279 cycles

MAIN CABIN DOOR DOES NOT CLOSE. THE RED HANDLES DO NOT MOVE, BUT THE DOOR GOES UP AND DOWN. CLEANED AND LUBRICATED CABIN DOOR SEAL AND LOCKING MECHANISM. OPS CHECKED GOOD.

Part: PRESSURE SWITCH — MALFUNCTIONED (NR 1 ENGINE) · airframe 13,807 hrs · 20,202 cycles

NR 1 ENGINE OIL PRESSURE LIGHT ILLUMINATED INFLIGHT FOR 2 MINUTES, WITH NORMAL OIL PRESSURE OF 63 PSID. ALL OTHER INDICATIONS ALSO NORMAL.REMOVED AND REPLACED NR 1 ENGINE LOW OIL PRESSURE SWITCH. CONDUCTED ENGINE RUN. NO LEAKS NOTED. CHECKS GOOD. NO LIGHTS OR WARNINGS. IAW EMB120 MM 73-30-00. PROP HEAT CHECKS GOOD.

Part: ACTUATOR — DEFECTIVE (T/E FLAP) · airframe 13,285 hrs · 19,405 cycles

INBOARD FLAPS ARE CYCLING IN AND OUT 1 TO 2 LIGHT BARS AFTER LANDING WHEN FLAPS ARE RETRACTED. REMOVED & REPLACED RIGHT INBOARD FLAP ACTUATOR. OPS CHECK GOOD AND NO LEAKS NOTED.

Part: ENGINE — MALFUNCTIONED (LEFT) · airframe 13,212 hrs · 19,303 cycles

WHILE EN ROUTE FROM SAN TO LAX, NR 1 ENGINE TORQUE BEGAN TO SURGE AND AIRCRAFT BEGAN TO YAW BACK AND FORTH. FOLLOWED QRH AND SELECT EEC MANUAL PER QRH. FOUR TO FIVE MINUTES LATER NR 1 ENGINE BEGAN TO SURGE AGAIN WITH WIDER PARAMETER SWINGS. ELECTRONIC FUEL CONTROL FAILURE. CHECKLIST CALLED FOR ENGINE SHUTDOWN. SHUTDOWN & SECURED ENGINE PER THE QRH. DECLARED AN EMERGENCY AND PROCEEDED TO LAX. REMOVED & REPLACED LEFT ENGINE ASSEMBLY IAW MM 71-00-00 & 61-10-03.

Part: HMU — FAILED (LT ENGINE) · airframe 13,154 hrs · 19,216 cycles

AFTER START OF TAKEOFF ROLL, AURAL WARNING ENGINE CONTROL SOUNDED. REMOVED AND REPLACED LT HMU IAW EMB 120 MM 73-21-00 . OPS CHECK GOOD.

Part: GOVERNOR — MALFUNCTIONED (LT ENGINE) · airframe 13,154 hrs · 19,216 cycles

LEFT ENGINE DID NOT ACCELERATE ABOVE 90 PERCENT NP ON TAKEOFF. ABORTED T/O. RAN UP ENGINES W/EEC ON & OFF WITH SIMILAR RESULTS. REMOVED AND REPLACED LT OVERSPEED GOVERNOR IAW HS 61-22-00. OPS CHECKS GOOD.

Part: PCU — MALFUNCTIONED (LT PROP) · airframe 12,448 hrs · 18,123 cycles

NP AND TQ FLUCTUATE IN CLIMB AND ON APPROACH ON ENGINE NR 1. TQ 2 PERCENT, NP 0.8 PERCENT. INSTALLED SERVICEABLE LEFT PCU IAW MM 61-21-00. OPS CHECK GOOD. NO TORQUE FLUCTUATIONS OR LEAKS NOTED.

Part: WARNING SYSTEM — MALFUNCTIONED (COCKPIT) · airframe 12,411 hrs · 18,073 cycles

ABORTED TAKEOFF DUE TO AUTOFEATHER AURAL WARNING. STATIC TAKEOFF WAS ATTEMPTED WITH AUTOFEATHER ARMED AND THE POWER LEVERS ADVANCED AS QUICKLY AS POSSIBLE. PERFORMED EXTENSIVE GROUND RUNS OF BOTH ENGINES WITH EEC'S ON AND OFF. COULD NOT DUPLICATE AUTOFEATHER AURAL WARNINGS.

Part: SENSOR — READS HIGH (LT ENGINE) · airframe 12,343 hrs · 17,984 cycles

LEFT EEC IS INOP. HOOKED UP EEC BREAKOUT BOX, FOUND NH SENSOR READING HIGH. REMOVED AND REPLACED LEFT NH SENSOR WITH A SERVICEABLE UNIT. TRIMMED LEFT ENGINE. OPS CHECK GOOD. NO LEAKS NOTED AT THIS TIME.

Part: WARNING SYSTEM — MALFUNCTIONED (COCKPIT) · airframe 12,289 hrs · 17,892 cycles

EEC AURAL WARNING ON TAKEOFF ROLL. ABORTED PER SOP. INSPECTED BOTH EEC SYSTEMS. RAN AIRCRAFT. EEC'S OPERATED NORMALLY AT VARIOUS POWER SETTINGS. NO DISCREPANCIES NOTED. OPS CHECK GOOD.

Part: CONNECTOR — LOOSE (NR 1 ENGINE) · airframe 12,099 hrs · 17,591 cycles

AT BEGINNING OF TAKEOFF ROLL, NR 1 EEC FAILED. WHITE 'MAN' LIGHT, RED `EEC` LIGHT AND AURAL WARNING SOUNDED. ABORTED TAKEOFF. FOUND LOOSE CANNON PLUG TO 1.8 SENSOR. CLEANED, OHM'S CHECKED AND TIGHTENED CANNON PLUG. ALSO OHM'S CHECKED NH & NP SENSORS AND EEC CONTROL CANNON PLUG. CLEANED AND RESET CIRCUIT BREAKERS IAW EMB120 W/M 76-10-00. SYSTEM CHECKED GOOD WITH ENGINE RUN.

Part: BUSHING — STIFF (CONTROL COLUMN) · airframe 11,783 hrs · 17,153 cycles

AILERONS ARE VERY STIFF OUT OF NEUTRAL POSITION. PULLED AILERON DISCONNECT AND DETERMINED THE STIFFNESS IS COMING FROM THE F/O'S SIDE. REMOVED AND REPLACED BOTH BUSHINGS IN RIGHT AILERON CONTROL COLUMN IAW 27-11-01. RERIGGED COCKPIT LOOP IAW 27-10-01. OPS CHECK GOOD WITH NO DISCREPANCIES.

Part: ENGINE — MALFUNCTIONED (NR 2) · airframe 11,636 hrs · 16,938 cycles

ON CLIMB OUT OF SEA, 100 PERCENT NP & 84 PERCENT TQ, NP FLUCTUATIONS NOTED ON NR 2 ENGINE. NP SWIFTLY OSCILLATED BETWEEN 96 PERCENT TO 100.5 PERCENT, ACCOMPANIED WITH YAWING. PROP SYNC DESELECTED HAD NO EFFECT. TORQUE FLUCTUATIONS WERE APPROXIMATELY 2-3 PERCENT. APPEARED TO BE RESULT OF NP FLUCTUATION RATHER THAN CAUSE. RETURNED TO SEATTLE.INSPECTED ENGINE AND PROPELLER CONTROL LINKAGES. PERFORMED ENGINE RUN UP. NP FLUCTUATION NOT OBSERVED DURING RUN UP. NP WITHIN LIMITS.

Part: GOVERNOR — LEAKING (PROPELLER) · airframe 11,406 hrs · 16,596 cycles

OIL PRESSURE DROPPED IN FLIGHT. ALTERNATE LANDING IN SNA.FOUND OIL LEAKING FROM OVERSPEED GOVERNOR. REPLACED OVERSPEED GOVERNOR. PERFORMED OPS AND LEAK CHECK. OPS CHECK GOOD. NO LEAKS NOTED.

Part: STRAP — BROKEN (NLG) · airframe 8,573 hrs · 12,600 cycles

AFTER TAKEOFF AND GEAR RETRACTION ALOUD RATTLE (ALMOST KNOCKING) CAN BE HEARD FROM UNDER CENTER CONSOLE AND NOSE RETURNED TO SFO. REPAIRED BROKEN BONDING STRAP ON NOSE GEAR.

Part: RCCB — MALFUNCTIONED (ELECTRICAL) · airframe 8,573 hrs · 12,600 cycles

AFTER TAKEOFF AND GEAR UP A LOUD RAPID KNOCKING FROM UNDER NOSE OF AC INCREASE IN SPEED NOISE LOUDER ALONG WITH KNOCKING. THE OPPOSITE EFFECT WITH DECREASE IN SPEED WITH GEAR DOWN NOISE AND KNOCKING STOPPED. JACKED AC AND SWUNG GEAR, FOUND GASPER FAN RCCB CLATTERING EXCESSIVELY. NO DISCREPANCIES NOTED WITH GEAR SYSTEM. OPS CHECKS GOOD ON GROUND.

Part: UNKNOWN

DE-ICE BOOT FAILURE LEADING EDGE DEVICES LEFT AND RIGHT OUTBOARD STABILIZER ALSO HAD LEFT AND RIGHT MIDDLE AND OUTBOARD WING FAILURE IN FLIGHT. RETURNED TO SEA. TIGHTENED PNEUMATIC LINE ON DE-ICE MANIFOLD. INSTALLED SERVICEABLE STABILIZER EJECTOR VALVE. ALL BOOTS OPS CHECKS GOOD EMB 120 MM 30-10-05.

Part: UNKNOWN

OUTBOARD LEFT AND RIGHT STABILIZER AND MIDDLE AND OUTBOARD RIGHT WING BOOTS FAIL BOTH TIMERS AND CYCLES. FAILURE OCCURED EN ROUTE BLI. RETURNED TO SEA. REPLACED MIDDLE WING BOOT EJECTOR FLOW CONTROL VALVE IAW MM 30-70-04. REPLACED RIGHT ENGINE PRESSURE REG IAW MM 30-00-00. PERFORMED ENGINE RUNS, OPS CHECKS GOOD.

Part: EJECTOR VALVES — LACK OF LUBE (LT WING)

DE-ICE BOOTS (LEADING EDGES) AND LEFT ENGINE AIR INLET WOULD NOT INFLATE. FAILED ALL DE-ICE TESTS ON TIMER 1 HEAVY CYCLE AND (L) INBOARD AND (L) OUTBOARD BOOTS FAILED ON TIMER 2 (ANY CYCLE). RETURNED TO LAX. LUBED EJECTOR VALVES AND RAN ENGINES. DE-ICE OPS CHECKS GOOD.