N204SW
Operators of this aircraft
Who operated this tail, and how firmly we know it.
No operator established for this aircraft.
Accident & incident history
No NTSB accidents or incidents on file for this aircraft.
Maintenance disclosures
Service Difficulty Reports filed with the FAA for this airframe. Filing is largely voluntary — the number of reports is not a measure of reliability. To verify a report, search its control number at the FAA SDRS site.
28 reports on file, 1995-07-18 – 2001-05-28.
Part: WARNING SYSTEM — ACTIVATED (COCKPIT) · airframe 25,571 hrs · 33,747 cycles
ABORTED TAKEOFF DUE TO T/O AURAL WARNING; TRIM WHEEL WELL WITHIN THE GREEN ARC. RESET CB FOR AURAL WARNING UNIT. CYCLED AURAL WARNING AND PERFORMED TAKEOFF CHECKS. GROUND CHECK NORMAL. WARNING TRIM WARNINGS CHECK NORMAL.
Part: EEC — FAILED (RN 2 ENGINE) · airframe 25,465 hrs · 33,590 cycles
NR 2 EEC FAILED ON TAKEOFF. ABORTED THE TAKEOFF. PERFORMED RIGHT ENGINE RUNS, EEC FAILED ON GROUND. OHMED EEC SYSTEM. FOUND HMU WIPER BAD. REPLACED RIGHT ENGINE HMU IAW EMB120 MM 73-21-00. PERFORMED RIGHT ENGINE RUNS. NO FURTHER DISCREPANCIES ON GROUND. OPS CHECKS GOOD AND NO LEAKS NOTED. P/N ON 786390-4, S/N ON F7586, S/N OFF F19962, S/N OFF 786390-10.
Part: CONNECTOR — DIRTY (COCKPIT) · airframe 25,431 hrs · 33,538 cycles
WHEN FLAPS SELECTED 45 DEGREES, INBOARD PAIR STAYED AT 25 DEGREES AND OUTBOARD PAIR SHOWED APPROX 38 DEGREES. WHEN FLAPS SELECTED 25 DEGREES OUTBOARD PAIR SHOW TO BE AT APPROX 20 DEGREES. DISAGREEMENT WHEN FLAPS SELECTED 45 DEGREES. CLEANED CANNON PLUGS AND ROLLERS AND CYCLED FLAPS SEVERAL TIME. OPS CHECK GOOD ON GROUND. TROUBLESHOOTING ON GOING.
Part: PROBE — FAILED (RT ENGINE) · airframe 25,417 hrs · 33,516 cycles
RIGHT EEC FAILED ON TAKEOFF ROLL. CLEANED CANNON PLUGS. REMOVED AND REPLACED NH PROBE IAW EMB MM 77-12-00. OPS CHECK GOOD. P/N: 3039242, S/N ON: CH12555, S/N OFF: CH17516.
Part: SWITCH — FAILED (ELEVATOR) · airframe 25,173 hrs · 33,170 cycles
RECEIVED TRIM AURAL WARNING ON TAKEOFF ROLL WITH TRIM SET AT 35 PERCENT. ABORTED TAKEOFF. REPLACED RIGHT ELEVATOR PROP SWITCH IAW 27-32-05. OPS CHECK GOOD.
Part: ACTUATOR CABLE — OUT OF ADJ (HYD SYSTEM ACT) · airframe 24,777 hrs · 32,680 cycles
AT V1 AIRCRAFT BRAKES SEEMED TO LOCK UP. ABORTED TAKEOFF. INSPECTED AND ADJUSTED BLUE HYDRAULIC SYSTEM ACTUATION CABLES. OPS CHECK AND PRESSURE CHECK GOOD. TAXI CHECK GOOD IAW EMB120 MM 32-41-00.
Part: COMPUTER — FAILED (COWL FLAP) · airframe 24,730 hrs · 32,603 cycles
LEFT NACELLE FLAPS FAULT DISCREPANCY DURING RETRACTION. REPLACED FLAP COMPUTER. OPS CHECK BAD. REPLACED LEFT NACELLE FLAP ACTUATOR. OPS AND LEAK CHECK GOOD. WORK ACCOMPLISHED IAW EMB120 MM 27-50-00 AND RII 27-307. FLAP COMP P/N: 347200-1001, S/N ON: 0227, S/N OFF: 0057, FLAP ACT P/N: 343100-1001, S/N ON: 0033, S/N OFF: 0078.
Earlier reports · 1995–2000 · 21 reports
2000
Part: DOWNLOCK SENSOR — MALFUNCTIONED (MLG) · airframe 23,906 hrs · 31,375 cycles
LANDING GEAR (LEFT) ASSEMBLY ''''A'''' LIGHT REMAINED ILLUMINATED AFTER RETRACTION. GEAR HANDLE CYCLED PER QRH WITH NO CHANGE. CONTINUED TO LAX WHERE GEAR WAS EXTENDED BY ELECTRIC OVERRIDE. LANDED WITHOUT INCIDENT. REPLACED LEFT MLG ''''A'''' DOWN PROX SENSOR, RIGGED GEAR SYSTEM. OPS CHECKS GOOD. (P/N 120-41127-001)
Part: CONTROL BOX — FAILED (MLG) · airframe 23,842 hrs · 31,284 cycles
LANDING GEAR INDICATOR LIGHT- A- ON LEFT MAIN, ILLUMINATED AFTER GEAR RETRACTION. GEAR HANDLE CYCLED PER QRH WITH GEAR REMAINING UP AND SAME INDICATION. GEAR EXTENDED BY OVERRIDE CK STARTED AND GEAR EXTENDED WITH NORMAL INDICATION. RETURNED TO PDX. INSTALLED SERVICEABLE LANDING GEAR CONTROL BOX IAW MM 32-00-00 AND SWUNG GEAR NUMEROUS TIMES. OPS CHECKS GOOD. (S/N 120120) (S/N 120209)
Part: SENSOR — BLOCKED (LT MLG) · airframe 23,837 hrs · 31,278 cycles
RED LIGHTS BOTH A AND B WHEN GEAR LEVER IN DOWN POSITION. GEAR LOWERED BY ELECTRIC OVER-RIDE. TROUBLESHOT SYSTEM FOUND SAFETY WIRE PIG TAIL ON ''''A'''' SYSTEM LEFT MAIN GEAR PROX SENSOR, CURLED OVER IN BETWEEN SENSOR AND TARGET. REPOSITIONED SAFETY WIRE. SWUNG GEAR 10 TIMES AS PER MM 32-00-00, OPS CHECKS GOOD.
Part: SWITCH — FAILED (ELEVATOR TRIM) · airframe 23,785 hrs · 31,217 cycles
DEPARTING SEA AT ROTATION, CAPTAINS TRIM AND AUTO PILOT FAILED. RETURNED TO SEA. REMOVED AND REPLACED ELEVATOR TRIM SWITCH IAW MM 22-10-10, OPS CK GOOD.
Part: RELAY — FAILED (BRAKE INDICATOR) · airframe 22,929 hrs · 30,057 cycles
DURING FLIGHT BOTH PARKING BRAKE LIGHTS WERE OBSERVED ON, UNABLE TO EXTINGUISH LIGHTS. DECLARED AN EMERGENCY, LANDED AIRCRAFT WITHOUT INCIDENT. APPEARS TO BE AN INDICATION ONLY REPLACED BRAKE LIGHT RELAY KD 115, OPS CHECK GOOD.
Part: ACTUATOR — FAILED (TE FLAP) · airframe 22,749 hrs · 29,787 cycles
LEFT OUTBOARD FLAP WOULD NOT RETRACT AFTER TAKEOFF. RETURNED TO SLC. REMOVED AND REPLACED LEFT OUTBOARD FLAP ACTUATOR IAW MM 27-50-09 AND RII 27307, OPS AND LEAK CHECK GOOD. (P/N 3430001003) ON, (S/N 0790) (S/N 0330) OFF.
Part: DOWNLOCK TARGET — OUT OF ADJUST (RT MLG)
AFTER TAKEOFF RIGHT MAIN LANDING GEAR WOULD NOT RETRACT, RED A AND B LIGHTS ON AND NO GREEN LIGHTS ON RIGHT MAIN. RETURNED TO SFO, SECURED LOOSE DOWNLOCK TARGET ADJUSTER AND OPS CHECKED GOOD.
1999
Part: TQ SIG COND — FAILED (LT ENGINE)
LEFT ENGINE INADVERTENT AUTO FEATHER AFTER TAKEOFF. RETURNED TO FIELD. REMOVED AND REPLACED LEFT TORQUE SIGNAL CONDITIONER. ALSO, REMOVED AND REPLACED LEFT TORQUE PROBE PER MM 77-11-2. OPS CHECKS GOOD PER MM 71-00-00. NO LEAKS NOTED.
Part: ANTENNA — FAILED (RADAR SYST)
WEATHER RADAR FAILED EN ROUTE TO EKO. CONTINUED TO SLC DUE TO WEATHER IN EKO. UNIT TESTS OK BUT DISPLAYS NO WEATHER ON GROUND. RADAR RETURNED ON DESCENT INTO SLC AND STARTED PAINTING WEATHER AGAIN. REPLACED RADAR ANTENNA ASSEMBLY. OPS CHECKS GOOD.
Part: VALVE — FAILED (LT, RT ENG INLET)
AFTER TAKEOFF, BOTH INLET AIR DEICE BOOTS FAILED. RETURNED TO SLC. REMOVED AND REPLACED PRESSURE REGULATOR VALVE IAW EMB 120 30-10-06. LEAK AND OPS CHECK GOOD.
1998
Part: SEQUENCE VALVE — FAILED (LT MLG DOOR)
WHEN LEFT GEAR CYCLED UP A AND B INTRANSIT LIGHTS REMAIN ON. FOUND LEFT OUTBOARD GEAR DOOR SEQUENCE VALVE BLEEDING PRESSURE BY. REPLACED SEQUENCE VALVE AND CYCLED GEAR SEVERAL TIMES. ALL CHECKS GOOD ON GROUND WITH NO LEAKS NOTED.
Part: FAIRING — DEPARTED (WING/FUSELAGE)
BOTTOM CENTER PANEL OF FUSELAGE (MID WING), FWD OF LEFT AIR CONDITIONING PACK, DEPARTED THE AIRCRAFT. (FERRIED FROM PIH TO SLC). INSTALLED NEW WING CENTER FAIRING PANEL, IAW MM 57-11-01. ALL CHECKS GOOD.
Part: HYD LINE — FAILED (BLUE HYD SYST)
TOTAL LOSS OF BLUE HYDRAULIC SYSTEM FLUID. QUANTITY WENT TO ZERO AND PRESSURE INDICATOR WENT TO ZERO WITH ASSORTED LIGHTS. UNABLE TO EXTEND FLAPS. REPAIRED HYDRAULIC LINE ON FLUID RESERVOIR 4TH LINE. REPLACED RIGHT ENGINE HYDRAULIC PUMP AND ALSO REPLACED RIGHT HYDRAULIC PACK HIGH PRESSURE SWITCH. RAN ENGINE HYDRAULIC SYSTEM AND OPS CHECKS GOOD WITH NO LEAKS.
1997
Part: CARRIER — BROKEN (BRAKE NR 2)
UPON DISASSEMBLY OF BRAKE NR 3, CARRIER AND LINING WERE FOUND BROKEN INTO THREE PIECES. CARRIER LINING WAS A NEW PART INSTALLED AT LAST OVERHAUL. NOTE: BRAKE POSITION NR 2.
Part: FAULT RELAY — FAILED (LT ANTI-SKID)
LEFT ANTI-SKID CAME ON AFTER TAKEOFF THEN TWO MINUTES LATER THE RIGHT INOP LIGHT CAME ON. RETURNED TO FIELD. REMOVED AND REPLACED ANTI-SKID FAULT RELAY. OPS CHECKS GOOD.
1996
Part: WIRE HARNESS — FAILED (LT MLG)
RAISED LANDING GEAR AFTER TAKEOFF AND EXPERIENCED EXACT SAME SITUATION AS OCCURRED ON 7/17/96. RAISED GEAR HANDLE AFTER TAKEOFF AND GEAR DID NOT RETRACT. RED LIGHTS CAME ON (UPPER LT ONE CAME ON AND THEN WENT OUT). GREEN STAYED. CYCLED AND SAME PROBLEM. REPLACED LEFT MAIN LANDING GEAR AND WIRE HARNESS AND SENSOR. REPLACED, ADJUSTED AND SECURED PER EMB MM 32-61-00. OPS CHECKED SEVERAL TIMES AND OPS CHECK GOOD ON GROUND WITH NO PROBLEMS.
Part: CONTROL UNIT — MALFUNCTIONED (LANDING GEAR)
RAISED GEAR HANDLE AFTER TAKEOFF AND GEAR DID NOT RETRACT. RED LIGHTS CAME ON (UPPER LEFT ONE CAME ON AND THEN WENT OUT). GREEN STAYED. CYCLED GEAR HANDLE DOWN. RED LIGHTS WENT OUT. PLACED HANDLE UP AGAIN WITH SAME RESULTS. ONE MORE ATTEMPT, SAME RESULT. RETURNED FOR LANDING. JACKED AIRCRAFT AND CYCLED GEAR SEVERAL TIMES. LANDING GEAR RETRACTED AND EXTENDED NORMALLY EVERY TIME AND INDICATED CORRECTLY. REPLACED LANDING GEAR CONTROL MODULE. CYCLED GEAR SEVERAL TIMES AND OPS CHECK GOOD.
Part: RETRACT MECH — MALFUNCTIONED (LANDING GEAR)
LANDING GEAR WILL NOT COME UP. JACKED AIRCRAFT. GEAR CAME UP ON FIRST ATTEMPT. SWUNG GEAR SEVERAL TIMES, COULD NOT DUPLICATE PROBLEM. INSPECTED ALL 'A' AND 'B' SYSTEMS UP CANNON PLUGS FOR CLEANLINESS. FOUND GOOD. SWUNG GEAR SEVERAL MORE TIMES. ALL CHECKS GOOD.
1995
Part: PRESS VALVE — FAILED (ENGINE)
SHORTLY AFTER TAKEOFF, WE EXPERIENCED A DUCT LEAK WARNING. WE IMMEDIATELY LANDED AND SHUT THE ENGINE DOWN ON THE GROUND. REMOVED AND REPLACED PRESSURE VALUE, OPS RUN AND CKS GOOD.
Part: RELAY — FAILED (AUTO FEATHER SYS)
AUTO FEATHER WOULD NOT ARM ON TAKEOFF ROLL, ABORTED TAKEOFF. REPLACED AUTO FEATHER ARM RELAY, RAN ENGINES, OPS CKS GOOD.
Part: CONNECTOR — DIRTY (AUTO FEATHER SYS)
AUTO FEATHER DID NOT ARM DURING TAKEOFF ROLL, ABORTED TAKEOFF. CLEANED SIGNAL CONDITIONER CANNON PLUGS, GROUND OPS CKS GOOD, SEE F/L 80101.