JASC 2450

Service difficulty reports · 872

Reports filed under 2450 · AC Power Distribution System, newest first.

Query with SQL
duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
  FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
  WHERE jasc_code = '2450'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SDR SIMA973091Relay · burnedORD - FLT 4311 - CREW SMELLED ELECTRICAL SMELL IN COCKPIT. MAINTENANCE FOUND A BURNED RELAY BASE AT RACK 91VU RELAY 14LG. RAI'D RELAY 14LG AND RELAY BASE 14LGA AS WELL AS CONTACT NR 2. PERFORMED OPS CHECK WITH NO ELECTRICAL ODOR NOTED. AIRCRAFT WAS RETURNEDNov 5, 1997 · N971NA · Aerosp ATR42300SDR RRXA97296Elect Panel · damagedDURING A MAINTENANCE VISIT, AFT ELECTRICAL PANEL LOCATED ABOVE AFT RIGHT OF ENTRY DOOR IS BEING RELOCATED BECAUSE OF CONSTANT DAMAGE BY CARGO CONTAINERS. RELOCATION WILL BE TO THE AFT CEILING AREA ACROSS FROM THE FLIGHT RECORDER, AT STA 1734 IAW FAA APPROVED Nov 4, 1997 · N791FT · Doug DC873FSDR 97ZZZX4828Terminal Block · overheatedAFTER FINDING OUT ABOUT THE PROBLEM THAT ANOTHER BAE125 HAD WITH TERMINAL STRIP, INSPECTED N526M AND FOUND TERMINAL STRIP HM TO ALSO BE DISTORTED AND OVERHEATED. THE TERMINAL STRIP WAS REPLACED WITH A NEW ONE AND 6 WIRES HAD TERMINALS REPLACED THAT WERE ALSO Oct 17, 1997 · N526M · Braero BAE125800ASDR AALA971998Bus · malfunctionedRIGHT BUS TRIPPED OFF DURING FLIGHT, FOLLOWED PROCEDURES STILL HAVE RIGHT BUS ISOLATION LIGHT WITH ASSOCIATED EICAS AND STATUS MESSAGES. ACCOMPLISHED BPCU BITE AND BITE DISPLAYED DELTA P TRIP AND OVERLAP ZONE FOR RIGHT GEN SYSTEM ON LAST FLT STATUS. RESET SUOct 15, 1997 · N379AA · Boeing 767323SDR USAAD97166Dc Bus · malfunctionedSYR - FL 1629 - EN ROUTE YOW-PIT - CREW RECEIVED VARIOUS OFF FLAGS AND SYSTEM FAIL INDICATIONS, INCLUDING THE NR 2 GYRO FLAG, CAPTAINS COMPASS FLAG, AUTOPILOT INOP, MACH TRIM 'INOP' LIGHT ON, AND NAV INSTRUMENT FAILURE MONITOR LIGHT FLASHING, WHICH INDICATED TSep 24, 1997 · N997VJ · Doug DC931SDR COMA9760174Contactor · malfunctionA/C UTILITY BUS NR 2 SHED IMMEDIATLEY AFTER FLAPS ARE SELECTED OUT OF 0 DEGREES. REMOVED THE A/C UTILITY BUS CONTACTOR NR 1K4XD IAW CRJ CONCESSION LETTER CO95-651.Sep 15, 1997 · N929CA · Cndair CL6002B19SDR 97UAL900707Bpcu · malfunctionedFLIGHT DECK EXPERIENCED A MOMENTARY ELECTRICAL POWER FAILURE. AUTO-PILOT DROPPED-OFF, POWER SELF RESTORED WITH NO EICAS MESSAGES. PASSENGER CABIN EXPERIENCED NO ELECTRICAL POWER LOSS. *S/D* BUS POWER CONTROL UNIT WAS REPLACED. NO FURTHER DISCREPANCY HAS OSep 14, 1997 · N655UA · Boeing 767322SDR PLGA970828APdu · malfunctionedLGA - FLT 4371 - AFTER TAKEOFF THE ESSENTIAL AND RIGHT MAIN ELECTRICAL BUS DROPPED OFF LINE. CREW DECLARED AN EMERGENCY DUE TO LOOSING THE GEAR INDICATION TEST FUNCTION. AIRCRAFT RETURNED TO LGA AND LANDED WITHOUT INCIDENT. MAINTENANCE RESET RIGHT MAIN BUS Aug 28, 1997 · N742BA · Saab SF340ASDR MZZA97254Circuit Breaker · trippedGUM - FLT 0861 - L/P: 7938849 - NR 1 TR CIRCUIT BREAKER TRIPPED ON TAKEOFF, AIR RETURN TO GUM. REF WDW 24-32-01 AND 24-55-12. CHECK 3-PHASE POWER TO NR 1 TR UNIT AND FOUND B-PHASE MISSING. RESET TR UNIT CIRCUIT BREAKER C810, NO HELP. RESET DIST NR 1 SECT Aug 25, 1997 · N79743 · Boeing 727224SDR 97ZZZX4366Circuit Breaker · trippedGUM - FLT 0861 - L/P: 7938849 - NR 1 TR CIRCUIT BREAKER TRIPPED ON TAKEOFF, AIR RETURN TO GUM. REF WDW 24-32-01 AND 24-55-12. CHECK 3-PHASE POWER TO NR 1 TR UNIT AND FOUND B-PHASE MISSING. RESET TR UNIT CIRCUIT BREAKER C810, NO HELP. RESET DIST NR 1 SECT Aug 25, 1997 · N79743 · Boeing 727224SDR REXA97231Batt Contactor · inopLEFT GENERATOR FELL OFF LINE IN FLIGHT. REMOVED AND REPLACED LEFT BATT CONTACTOR. (M)Aug 17, 1997 · N304PX · Bag JETSTM3101SDR MWEA97732Ac Distrbution · malfunctionedDURING FLIGHT REPORTED CROSS TIE LOCKOUT, OUT OF 8000, ORH NO RESPONSE. RETURNED TO MK. MTC PERFORMED CROSS TIE CHECK, RESeT LOCK OUT LIGHT.Aug 15, 1997 · N301ME · Doug DC932SDR 97ZZZX3795Current Sensor · openBATTERY BUS TEST FAILS TO TEST. FOUND CURRENT SENSOR OPEN.Aug 3, 1997 · N836CA · Beech 1900DSDR USAAD97120Electrical Power · lostPIT/MHT - FLT 1180 - AFTER TAKEOFF, RT ENGINE GEN OFF LIGHT AND CROSS-TIE LOCK OUT. LOST PRESSURIZATION. RT ENGINE SHUT DOWN DUE TO PERCEIVED LOSS OF OIL PRESSURE AND OIL QUANTITY. RESTARTED ENGINE AFTER 10 MINUTES. RETURNED TO PIT. RAN RT ENGINE, VOLTS AJul 12, 1997 · N982VJ · Doug DC931SDR CA970715023Circuit Breaker · failed(CAN) CREW SNAGGED THE NR 1 INVERTER WOULD TRIP BUT WAS RESETTABLE. THE SNAG WAS NOT DUPLICATED ON THE GROUND. TROUBLESHOOTING FOUND THE BREAKER WOULD SWITCH ON AND OFF WITHOUT PLUNGER ACTIVATION IF VIBRATION WAS INDUCED. BREAKER REPLACED.Jul 9, 1997 · Beech 1900CSDR GTIA970338Relay · stickingPIT - FLT 202 - APPARENTLY THE RIGHT A/C BUS HAS AN APU RELAY STICKING WHICH WILL NOT ALLOW ANY OTHER POWER SOURCE TO POWER THE RIGHT A/C BUS. THIS OCCURS EVEN WITH THE APU SHUT DOWN. RESET CROSS-TIE RELAY. APU GEN SYSTEM INOP. TRANSFERRED DMI LOG NR 00712Jul 7, 1997 · N947ML · Doug DC932SDR DL76L971316Bpcu · failedLEVEL AT FL310 ON CENTER AUTOPILOT, A/C EXPERIENCED A SHARP PITCH BUMP OR SPIKE. AUTOTHOTTLES, ALL GALLEY POWER DROPPED OFF MOMENTARLIY, GALLEY POWER RECOVERED AUTOMATICALLY. RECONNECTED AUTOTHOTTLES, NO PROBLEMS REMAINEDER OF FLIGHT. BITE MCDP AND BPCU. BJul 7, 1997 · N179DN · Boeing 767332SDR AU970921Circuit Breaker · arced(AUS) RH WINDSHIELD HEATING SYSTEM PHASE `B' SUPPLY CIRCUIT BREAKER DAMAGED FROM INTERNAL ARCING.Jun 17, 1997 · Bac 146200ASDR WRLA97025Circuit Breaker · trippedDURING TAXI, FLIGHT CREW WAS UNABLE TO PARALLEL BUS AFTER NR 3 ENGINE STA RT. AIRCRAFT RETURNED TO GATE. MAINTENANCE PERSONNEL DEPOWERED AIRCRAFT AND RESET CIRCUIT BREAKER, NO FAULT NOTED. AIRCRAFT RETURNED TO SERVICE. (M)Jun 6, 1997 · N280WA · Doug MD11SDR AALA971045Ac Elect System · odorHSV - FLT 2077 - AFTER TAKEOFF HSV, ELECTRICAL ODOR NOTED IN COCKPIT. AIRCRAFT RETURNED TO HSV AND LANDED OVERWEIGHT WITHOUT INCIDENT. ACCOMPLISHED VISUAL CHECK OF COCKPIT, ALL ELECTRICAL BAYS AND CARGO COMPARTMENTS WITH NO DEFECTS FOUND. ACCOMPLISHED OVERWJun 6, 1997 · N7538A · Doug DC982SDR DLM90971090Relay · inoperativeEMER AC BUS FEED AND ALT EMER AC BUS FEED C/BS POPPED AT FL 290. DIVERTED TO AMA. REPLACED R2-47 RELAY. RAN OPN CK OF EMER PWR AND CONTROL ALL CKS OK PER M/M 24-23-00-05.Jun 5, 1997 · N910DN · Doug MD9030SDR WRLA97021Bus System · malfunctionedDURING TAXI, FLIGHT CREW WAS UNABLE TO PARALLEL BUS AFTER NR 2 ENGINE STA RT. AIRCRAFT RETURNED TO GATE WITHOUT FURTHER INCIDENT. MAINTENANCE PERSONNEL DEPOWERED AIRCRAFT AND PERFORMED MANUAL REST PER MM. BUS TIE PARALLEL NORMALL Y. FOUND NO FAULT. AIRCRAMay 30, 1997 · N275WA · Doug MD11SDR DLM88971025Elect Outlet · shortedON PREFLT, FOUND UTILITY C/B OPEN WHEN RESET SPARKS FROM UTILITY OUTLET. FWD UTILITY OUTLETS TO MCO COLLARED, C/B SUSPECT PLUG DAMAGED.May 27, 1997 · N986DL · Doug MD88SDR AWXA9700313Relay · shortedIN CRUISE AT FL 310, TWO CLICKS WERE HEARD FROM BEHIND CAPTAIN'S SEAT (ELECTRICAL). ALL INSTRUMENTS ON FORWARD PANEL FLASHED OFF THEN ON THEN WENT BLACK. SEVERAL ORANGE LIGHTS ON THE OVERHEAD. LASTED ABOUT 30 SECONDS, THEN REPEATED ABOUT 4 MINUTES LATER. AMay 26, 1997 · N183AW · Boeing 737277SDR VTZA97282Pdu · failedIAD/TYS - FLT 6355 - DURING TAXI AT 1710 HRS ON 5-17-97, RETURNED TO GATE DUE TO NR 2 ENGINE START LIGHT WOULD NOT GO OUT AFTER START. MAINTENANCE INSPECTED AND REMOVED AND REPLACED PDU, OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE.May 17, 1997 · N324UE · Jetair JETSTM4101SDR SWAA970465Transfer Relay · failedDIVERTED TO PHX DUE TO STANDBY POWER OFF LIGHT ILLUMINATING. \N\NR&R #1 TRANSFER RELAY R3 PER M/MMay 13, 1997 · N614SW · Boeing 7373H4SDR COMA9760095Voltage Sensor · malfunctionDURING FLIGHT, THE ESS BUS LIGHT CAME ON. REPLACED THE AIXD AC/ESS BUS VOLTAGE SENSOR.May 11, 1997 · N917CA · Cndair CL6002B19SDR SWAA970466Circuit Breaker · failedRETURNED TO ABQ DUE TO NR 1 TRANSFORMER RECTIFIER C/B TRIPPING. INSPECTED AND FOUND C/B C819 AND WIRES MELTED ON TERMINAL B1. REPAIRED WIRING AND REPLACED BREAKER PER M/M.May 10, 1997 · N644SW · Boeing 7373H4SDR 97ZZZX2784Bellcrank · crackedINSPECTION FOUND LT FLAP BELLCRANK CRACKED. REF: PIPER SB 109.May 1, 1997 · Piper PA14SDR 97FDEA00236Buss Bar · malfunctionA/C INFLIGHT ELECTRICAL POWER FAILURE CAUSING 6,1 AND 4 SPOILER FAULT. NR 2 ENGINE OIL PRESSURE INDICATION LOSS, AND SHUTDOWN OF THE NR 2 ENGINE. REMOVED AND REPLACED 231 XD (FOUND TRIPPED AND BUSS BAR WEAK) PER M/M 24-00-00. PERFORMED ENGINE GROUND RUN PERApr 17, 1997 · N667FE · Airbus A300F4605RSDR REXA97100Pdu · failedRIGHT SIDE EFIS TUBES, ECT AND ALL OTHER RIGHT SIDE ELECTRONICS EQUIP DEAD. DI D DECLARE EMERGENCY THROUGH TOWER. REMOVED AND REPLACED, RIGHT PDU. (M)Apr 11, 1997 · N362PX · Saab 340BSDR VTZA97201Pdu · malfunctionedIAD/PVD - FLT 6217 - DURING TAXI AT 1720 HRS ON 3-30-97, AIRCRAFT RETURNED TO GATE DUE TO VOLTAGE/AMPMETER FAILED AND AHRS FAILED DURING NR 2 ENGINE START. MAINTENANCE INSP AND RESET BOTH PDU'S, OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO Mar 30, 1997 · N324UE · Jetair JETSTM4101SDR WWMA9700041Electrical Sys · odorCREW REPORTED, BURNING SMELL COMING FROM THE AVIONICS BAY. MAINTENANCE PERFORMED OPERATIONAL CHECK OF ELECTRICAL SYSTEM, AVIONICS, INTERIOR LIGHTS AND HOT JUGS. COULD NOT DUPLICATE SMELL, RETURNED THE AIRCRAFT TO SERVICE WITH NO FURTHER PROBLEMS.Mar 22, 1997 · N286AE · Saab 340BSDR DLM88970517Cross Tie Relay · failedRT GEN FAILED INFLT A/C CROSS TIE DID NOT WORK. REPLACED CROSS TIE RELAY, OPS NORMAL.Mar 20, 1997 · N901DE · Doug MD88SDR SWAA970261Relay · inoperativeDIVERTED TO PHX DUE TO NR 2 BUSS DROPPING OFF LINE IN FLIGHT. REPLACED R30 RELAY PER BOEING M/M, AND PERFORMED SWA ACO TO REPLACE BOTH NR 1 TRANSFER C/B'S.Feb 27, 1997 · N302SW · Boeing 7373H4SDR 9703749103Control Panel · failedDURING CRUISE, INSTRUMENT LIGHTS FLICKERED TWICE THEN HEARD A LOUD POP FOLLOWED BY FIRE COMING FROM PANEL IN FLIGHT ATTENDANT JUMPSEAT AREA. REMOVED ELECTRICAL POWER FROM AREA AND FIRE STOPPED. FLIGHT DIVERTED TO DSM AND LANDED WITHOUT INCIDENT. REPLACED ACFeb 20, 1997 · N93S · Doug DC915SDR 9703759753Gen Contl Panel · failedAFTER TEN MINUTES INTO FLIGHT, THE LEFT GENERATOR, LEFT AC BUS, LEFT DC BUS AND AC CROSSTIE LOCKOUT LIGHTS ILLUMINATED. RESET GENERATOR AND VOLTS AND FREQUENCIES APPEARED NORMAL. ATTEMPTING TO TURN GENERATOR ON AGAIN CAUSED IT TO RETRIP. FLIGHT RETURNED TO EWFeb 19, 1997 · N753NW · Doug DC941SDR 97ZZZM249Breaker · trippedFLT 195 - BOS - AT BOSTON AFTER ENGINE STARTS, LEFT ENGINE GENERATOR DROPPED OFF LINE. CAPTAIN RESET IT ON AND CROSS TIE LOCK OUT CAME ON. WENT BACK TO GATE AND RESET CROSS TIE. RESET LOCK OUT TIE BREAKER. OPS CHECK OK IAW 24-50. (M)Feb 3, 1997 · N12505 · Doug DC932SDR 97UAL900107Controller · failedACFT DEPARTED MIA WITH RT OVERHEAD PANEL BUSS CONTROLLER DEFERRED. SUBSEQUENTLY LT OVERHEAD PANEL BUS CONTROLLER FAILED. ACFT RETURNED TO MIA. LT OVERHEAD PANEL BUSS CONTROLLER CAME BACK ON LINE ABOUT 3 MINUTES AFTER INITIAL FAILURE. NO HISTORY OF PROBLEMSFeb 1, 1997 · N771UA · Boeing 777222SDR AU970106Circuit Breaker · miswired(AUS) TRANSPONDER SYSTEM WIRED TO PRIMARY AH CIRCUIT BREAKER FOLLOWING FAILURE OF CORRECT CB WHICH HAD BEEN DISCONNECTED - CIRCUIT BREAKER MARKED `RADAR' WAS REALLY THE COMPASS SYSTEM (COMPASS SYSTEM CB WAS FOUR CIRCUIT BREAKERS AWAY) - HF CIRCUIT BREAKER NOT Jan 30, 1997 · Beech 58SDR REXA97009Electrical Syst · smokingSAW AND SMELLED SMOKE COMING FROM UNDERNEATH FIRST OFFICER'S SKIRT PANEL. GROUND RAN ELECTRICAL SYSTEM ON GPU. COULD NOT DUPLICATE. AIRCRAFT TEST FLOWN, ALL SYSTEMS FUNCTIONED NORMAL. COULD NOT DUPLICATE INFLIGHT PER A AND P NR 2213143. (X)Jan 28, 1997 · N300PX · Bag JETSTM3101SDR AWXA9700050Wire Harness · burntDURING LEVEL FLIGHT, STARTED LOOSING SERIES OF ELECTRICAL SYSTEMS ON OVERHEAD PANEL, STARTING WITH LOSS OF CABIN PRESSURE CONTROLLER. THEN HAD A SERIES OF LIGHTS FLICKER ON ANNUNCIATION. UNABLE TO RESET BREAKERS. DIVERTED TO LAS. INSPECTED AND FOUND TO BE Jan 27, 1997 · N185AW · Boeing 737277SDR DL73K970131Circuit Breaker · trippedDURING CRUISE, CAPTS INSTRUMENTS YAW DAMPER AND MOST CONTROL AND NAV INST LOSS ELECTRIC POWER. STANDBY POWER DID NOT RESTORE CAPTS INSTRUMENTS. APU WOULD NOT START, F/O INSTRUMENTS WORKED. VOLTS AND FREQS NORMAL BOTH GENERATORS. REPLACED NR 1 TRANSFER CIRCJan 22, 1997 · N307DL · Boeing 737232SDR DLM88970088Crosstie Relay · failedON CLIMBOUT 18K, LOST BOTH SETS OF FLT INSTR/AUTO PILOT AND AUTO THROTTLES. PROCEDURE OPEN AC XTIE AND LAND C/W. REGAINED ELECT POWER. ISOLATED PROBLEM TO AC XTIE RELAY. ITEM WAS PLACED ON MCO PER MEL AC XTIE SWITCH OPEN.Jan 18, 1997 · N980DL · Doug MD88SDR SWAA961419Relay · failedRETURNED TO MCI DUE TO NUMBER 1 TRANSFER C/B TRIPPING IN FLIGHT. REPLACED R3 RELAY AND OP CHECKED PER BOEING M/M.Dec 21, 1996 · N673AA · Boeing 7373H4SDR CALA9601768Bus Pwr Contl · inoperativeTHE CREW RECEIVED EICAS MESSAGES, NOSE GEAR AIR GRND, RT PROBE HEAT, ANTI-SKID, RECIRC FANS AND HYD PUMPS AND EMERGENCY LIGHTS ILLUMINATED IN FLIGHT. THE AIRCRAFT WAS RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND RT DC BUS SEC 1 C/B TRIDec 9, 1996 · N14114 · Boeing 757224SDR USAAD96166Relay · failedFLT 882 - PIT-YUL - AT CRUISE FL 330, LEFT AC BUS PHASE A CIRCUIT BREAKER POPPED. THEN PHASE A RIGHT FORWARD BOOST PUMP, PHASE A CENTER FORWARD AND PHASE 'A' LEFT AFT BOOST PUMPS, AND PHASE 'B' ON ALL THREE PUMPS POPPED. ALSO, PHASE 'A' AND 'B' ON RADIO RACKNov 16, 1996 · N966VJ · Doug DC931SDR CALA9601564Breaker · trippedTHE A AND B CIRCUIT BREAKER FOR CENTER AFT FUEL BOOST PUMP, FORWARD LEFT FUEL PUMP, AND RECIRCULATING FAN ALL TRIPPED SHORTLY AFTER TAKEOFF. THE CIRCUIT BREAKERS WERE RESET, BUT TRIPPED AGAIN. THE AIRCRAFT WAS RETURNED TO EWR WHERE IT LANDED WITHOUT INCIDENTNov 6, 1996 · N16804 · Doug DC982SDR REXA96067Pdu · failedLEFT MAIN AND ESS BUS BREAKER POPS INTERMITTENTLY. REMOVED AND REPLACED LEFT PDU. OPS CHECK GOOD. AC OK FOR SERVICE. (M)Oct 31, 1996 · N370PX · Saab 340BSDR CALA9601528Ckt Breaker · failedTHE B-PHASE CIRCUIT BREAKER ON LEFT AC BUS POPPED FOLLOWED BY ALL FORWARD LT, RT AND CENTER FUEL BOOST PUMP CB. THE A-PHASE CIRCUIT BREAKER ON RADIO RACK COOLING FAN POPPED AND LIGHTS ON RT SIDE IN CABIN WENT OUT AS WELL AS CAPT'S INSTRUMENT LIGHTS, VOR AND ROct 29, 1996 · N18544 · Doug DC932
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