JASC 7700

Service difficulty reports · 706

Reports filed under 7700 · Engine Indicating 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 = '7700'
  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 QR9R2024110100001Tachometer · warning lightDURING START RUN-UP, OVSP CAUTION LIGHT ILLUMINATED FOR THE #2 ENGINE. REMOVED AND REPLACED #2 TACHOMETER BOX IAW AMM 80-20-00, 4-4.Nov 1, 2024 · Bolkms BK117C2SDR EVCA202410230001Fadec · failedFADEC FAIL RUN ON LANDING PREFORMED.Oct 9, 2024 · N531MT · Airbus EC135P3SDR SWI20241010000019Sensor · false indicationL14TH DUCT WARNING. COMPLIED WITH QRH MESSAGE PERSISTED UNTIL ENGINE SHUT DOWN. (FLIGHT 5754 - FILED CLOSED)DURING ATTEMPTED LEAK CHECK OF THE LEFT 14TH STAGE BLEED AIR DUCTS, L14TH DUCT WARNING MESSAGE ILLUMINATED WITH NO 14TH STAGE AIR SUPPLIED TO THE DUCT. Oct 9, 2024 · N465SW · Cndair CL6002B19SDR AALA202410107968Probe · faultedAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: ON TAKEOFF ENGINE NUMBER 2 EGT EXCEEDED LIMITS (AT LEAST 977) FOR ABOUT 1-2 MINUTES AT CRUISE IT'S APPROX 50 DEGREES HOTTER THAN NUMBER 1; AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT MIA. ACCOOct 9, 2024 · N929NN · Boeing 737823SDR AALA202410105300Probe · overtempAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: ON TAKEOFF ENGINE NUMBER 2 EGT EXCEEDED LIMITS (AT LEAST 977) FOR ABOUT 1-2 MINUTES AT CRUISE IT'S APPROX 50 DEGREES HOTTER THAN NUMBER 1; AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT MIA. ACCOOct 9, 2024 · N929NN · Boeing 737823SDR QR9R2024100800001Sensor · faultedWHILE AT HOVER, THE #2 SYSTEM ON CAD DISPLAYED AN OVERSPEED FAIL. BACK IN PARKING, MAINTENANCE RESET THE CIRCUIT BREAKER WHICH DID NOT CORRECT THE ISSUE. REMOVED AND REPLACED DOUBLE SENSOR IAW 77-11-00-900-801-A01; T/P MOC SUCCESSFULLY COMPLETED.Oct 8, 2024 · Bolkms BK117C2SDR CALA2024100400753Probe · faultedR ENG PROBE HEAT STATUS AFTER ENG START SUSPECT RT ENG PROBE M&E 19-7321-3-0002 MEL 3034B DISPATCH ADVISES THERE IS ICING NEAR BOS. ON DEFERRAL R&R ENG 2 P1 PROBE PER AMM TASK 73-21-04 AND OPS CHECKED GOOD AND PERFORMED IDLE RUN TO MAKE MSG DID NOT COME BACKOct 2, 2024 · N19141 · Boeing 757224SDR DXTA2024100700726Indication Sys · odorLH AMLCD WENT BLANK AT FL400. WITHIN ABOUT A MINUTE THERE WAS AN ELECTRICAL BURNING SMELL. NO SMOKE WAS VISIBLE. DIVERTED TO DAL. REMOVED FAILED AMLCD ENGINE INDICATING SYSTEM P/N 9912574-5 S/N02060144AB AND INSTALLED OVERHAULED CUSTOMER SUPPLIED AMLCD ENGINOct 1, 2024 · N556QS · Cessna 560XLSDR AALA202410013576Sense Line · contaminatedAIRCRAFT WAS GROUNDED: FLIGHT CREW REPORTED THEY RECEIVED ENGINE 2 STALL ECAM BRIEFLY 9 TIMES DURING DESCENT BUT THE ENGINE SEEMED TO BE RUNNING NORMALLY. MAINTENANCE PERFORMED TSM 71-00-00-810-809-A AND FOUND MOISTURE IN THE PRESSURE SENSE LINE. MAINTENANCE Sep 30, 2024 · N140AN · Airbus A321231SDR UIEA2024092900962Circuit Card · faultedSTARTER CUTOUT ENG 4 MSG IN FLIGHT(<P>INSPECTED ENGINE STARTER FOR CONDITION AND SERVICING & STARTER VALVE FOR CONDITION. REPLACED N2 SPEED CARD IAW AMM 73-21-00. OPS CHECKS GOOD</P>)Sep 29, 2024 · N406KZ · Boeing 7474KZFSDR N6WA2024092901Line · looseRIGHT ENGINE CANNOT ACHIVE RATED TAKEOFF THRUST. FOUND RIGHT ENGINE PS3 CONNECTOR LOOSE. TIGHTED PS3 LINE IAW CRJ AMM 75-41-07. PERFORMED HIGH POWER ENGINE RUN NO DEFECTS FOUND AT THIS TIME.Sep 27, 2024 · N504GJ · Cndair CL6002C11SDR CALA2024090900605Tube · faultedENG EEC MODE R EICAS AND BLANK R EPR GAUGE ON T-O ROLL 30-40 KN OTS.REQUEST DEFERRAL OF RIGHT ENGINE PRESSURE RATIO INDICATING SYSTEMS. MEL 7711C UNABLE PER DISPATCH. PLEASE REPAIR ITEM PRIOR TO FURTHER FLIGHT. REQUEST DEFERRAL OF RIGHT ENGINE PRESSURE RATIOSep 5, 2024 · N777UA · Boeing 777222SDR IPXA2024090489688Engine · malfunctionedAIR TURNBACK DUE TO LEFT ENGINE INDICATIONS DEF PER MEL 77-11-1-1 DI # 2823227. PERFORMED TEST 13 TAKE-OFF POWER PER M/M REF 71-00-00-715-223-R03. OPS CK NORMAL ALL PARAMETERS FELL IN NORMAL RANGE.Sep 2, 2024 · N467UP · Boeing 75724APFSDR IPXA2024090289688Engine · indicationAIR TURNBACK DUE TO LEFT ENGINE INDICATIONS DEF PER MEL 77-11-1-1. OPENSep 2, 2024 · N467UP · Boeing 75724APFSDR NACA2024082400001Circuit Card · faulted#1 ENG SPEED CARD MESSAGE. PERFORMED L ENG SPEED CARD TEST, PER AMM 77-12-01-864 STATUS MESSAGE NOT SHOWING AT THIS TIME.Aug 24, 2024 · N566NC · Boeing 7673BGSDR AALA202408196713B-Nut · looseAIRCRAFT WAS NOT GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO DFW TO THE FLIGHT CREW REPORTING A #2 ENGINE EPR MODE FAULT AT FL280 ON CLIMB OUT. THE FLIGHT CREW ACCOMPLISHED THE ECAM PROCEDURES BUT RESET DID NOT WORK. THE FLIGHT CREW REPORTAug 18, 2024 · N585UW · Airbus A321231SDR ABXA20240731146Sensor · malfunctionedIN CRUISE AT FL350, LT ENG SURGING .3 N1 INCREASING TO .6 N1 FLUXUATION BY THE TIME OF SHUTDOWN IAW QRH. FLUXUATION REFLECTED IN EPR, FF, & OIL PRESS. PER QRH. ENG SHUTDOWN & CREW DECLARED AN EMERGENCY & DIVERTED TO DFW . AFTER LANDING MTX GROUNDED ACFT. PERFJul 31, 2024 · N650GT · Boeing 767231SDR AALA202407169120Sensor · out of rigAIRCRAFT WAS GROUNDED: FLIGHT CREW REPORTED THAT DURING DESCENT AT FL 340 TO FL300 IN OPEN DECENT GOT ECAM ENGINE 2 VANE STALL WHICH WENT AWAY APPROXIMATELY 30 SECONDS, THEN GOT ENGINE 2 STALL ECAM WHICH WENT AWAY APPROXIMATELY 5-10 SECONDS, WENT TO MANAGED DJul 15, 2024 · N156UW · Airbus A321211SDR FDEA202407141001Deu · faultedENGINE FAIL LIGHT ILLUMINATED AT ABOUT 100 KTS ON THE TAKEOFF ROLL. THE TAKEOFF WAS REJECTED. ALL ENGINES WERE OPERATING NORMALLY AFTER THE REJECT. REPLACED DEU-3. OPS CKS GOOD.Jul 14, 2024 · N596FE · Doug MD11FSDR CALA2024071001990Accelerometer · inoperativeN1 ENG VIB ABOVE 4.0 ON CLIMBOUT CREW REPORTS NO VIBRATION FELT , ENGINE SPINS FREELY, NO DAMAGE DEF PER MEL. #1 ENG VIBRATION INOP. HARNESS (ENG 1) 65007, IF NEEDED. 77-31-06/401. ESCPP ROHAN IN INLET OR EXHAUST. HAS HISTORY OF INDICATION PROBLEM JULY 01. APPJul 7, 2024 · N7546 · Boeing 7379SDR DALA2024070806866Warning Message · false activationSHIP 3420 - ATB/DE AIRCRAFT PERFORMED AIR TURN BACK TO HND AND CREW DECLARED EMERGENCY DUE TO LIGHTNING STRIKE WITH RIGHT ENGINE STALL MESSAGE. CORRECTIVE ACTION: PER TSM CLEARED FAULTS RAN ENGINE FOR FIVE MINUTES AND NO FAULTS RETURNED. NO FURTHER ACTION REQUJul 6, 2024 · N420DX · Airbus A330941SDR AALA202407053143Thermocouple · damagedAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO ORD DUE TO THE FLIGHT CREW REPORTING THAT ON TAKEOFF BEFORE FLAP RETRACTION, THEY RECEIVED AN ECAM MESSAGE FOR ENGINE 1 HIGH RISK EGT. ENGINE SHOWED OVERTEMP. EGT WAS CONSIDERABLY HIJul 2, 2024 · N819AW · Airbus A319132SDR AALA202407052331Thermocouple · damagedAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO ORD DUE TO THE FLIGHT CREW REPORTING THAT ON TAKEOFF BEFORE FLAP RETRACTION, THEY RECEIVED AN ECAM MESSAGE FOR ENGINE 1 HIGH RISK EGT. ENGINE SHOWED OVERTEMP. EGT WAS CONSIDERABLY HIJul 2, 2024 · N819AW · Airbus A319132SDR HALA20240701175Thermocouple · faultedETOPS - AFTER LANDING ECAM ENG 2 MINOR FAULT. REMOVED AND REPLACED ENG 2 THERMOCOUPLE OVERHEAT RTECTOR REAR PER AMM 77-22-11-400-801-A. OPS CHECK GOOD PER TSM 77-22-00-810--805-A. NO FAULTS NOTED. OK FOR SVC.Jun 30, 2024 · N375HA · Airbus A330243SDR CALA2024070101935Adc · intermittentLEFT AND RIGHT EEC INS IN THE ALTERNATE MODE EEC BIT #1&2 BOTH HAVE F0 D6 ED. PERFORM FIM 73-21TREE802 AND AMM 73-21-00-902-001-R01 #1&2 EEC BITE BOTH #1&2 NO FO FAULTS NOW F1 FAULT D6. ENGINES BOTH FO D6 FAULT INDICATES DIFFERENCE OF 252 FT. ALT L/R ADC''S RJun 29, 2024 · N48127 · Boeing 757224SDR K11A20240624264Sensor · failedENGINE #1 DID NOT ACCELERATE BEYOND 36%N1 DURING TAKEOFF ROLL. R&R T-2 SENSOR IAW B737 AMM 73-21-09, R&R CIT SENSOR IAW B737 AMM 73-21-02 PERFORMED IDLE LEAK CHECK IAW B737, AMM TEST 3 71-00-00. PREFORMED MEB737 MEC TRIM TEST 6 IAW B737 AMM 71-00-00 ALL CHECKJun 25, 2024 · N406CK · Boeing 73745DSDR SWAA2024062505471Egt Indication · activatedON T/O #2 ENGINE EGT HAD AN EXCEEDENCE; EGT OF 960 FOR 5 SEC'S EGT GAUGE TURNED RED. PULLED POWER BACK & EGT RETURNED TO LIMITS. PER THE ENGINE EXCEEDENCE PAGE THE #2 ENGINE EXCEEDENCE WAS 958 DEGREES FOR 2 SECONDS & FOUND TO BE IN ZONE A ACCOMPLISHED A VISUALJun 24, 2024 · N235WN · Boeing 7377H4SDR GTIA2024061438175Actuator · overtempENG #2 OVERTEMP ON TOGA TAKE OFF PACKS OFF TEMP 637C 10 SECONDS-REF TSM 77-00-00-810-818-B STEP 4(F)9, FOUND EGT HARNESS AND JUNCTION BOX CHAFFED. R/R EGT HARNESS AND JUNCTION BOX IAW AMM 77-21-43. SEE LOGPAGE 3340675-2 FOR OPS CHECK.Jun 12, 2024 · N604NK · Airbus A320232SDR AALA202406113786Relay · faultedAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO PHL DUE TO THE FLIGHT CREW REPORTED AN ENGINE 1 EPR MODE FAULT IN FLIGHT, WITH DEGRADE N1 MODE ACTIVE. AT FL 240 WITH LEFT THRUST LEVER IN CLIMB DETENT ONLY 79.1% N1 WAS ATTAINABLE. Jun 10, 2024 · N539UW · Airbus A321231SDR KY72024F00006Sensor · defectiveBLEED1 OVERTEMP IN FLIGHT ATB. REMOVED & REPLACED #1 HIGH TEMP THERMOSTAT 36-11-06, OPS CHECK GOOD.Jun 9, 2024 · N971DC · Emb EMB145SDR DALA2024061005980Cable · brokenSHIP 3123 -ATB- RETURNED TO SLC DUE TO LEFT ENGINE OVER TEMPERATURE. LEFT ENGINE HIGH EGT ON TAKEOFF AND AGAIN DURING CLIMB. CORRECTIVE ACTION: FOUND EIGHT O'CLOCK VBV DOOR CABLE BROKEN. REPLACED SAME, PERFORMED HIGH POWER RUN NO FURTHER ISSUES. (LP 5936084)Jun 8, 2024 · N323NB · Airbus A319114SDR SIMA20240521001Indication Sys · faultedDIVERTED TO BOI ACCOUNT TO LOST E2 INDICATIONS DECLARED EMERGENCY NO INJURIES REPORTED. EQP SWAP FLIGHT CONTINUED. ENGINE 2 DATA FLICKERED FOR 2-3 MINS BEFORE ALL DATA LOST W/AMBER DASHES. 1-2 MINS LATER ENG 1 DATA BEGAN TO FLICKER BETWEEN FL 250-200 ENG 2 DMay 21, 2024 · N246NN · Emb ERJ170200LRSDR CALA2024051701491Thermocouple · faultedON CLIMB OUT THE RIGHT ENG EGT 903 EGT CAME DOWN WHEN POWER WAS REDUCED VERIFIED NO EXCEEDANCE OCCURED AFTER PERFORMING EGT EXCEEDANCE FLAGGING SDR CHECK REF AMM 71-00-00-740-801-F00. SUSPECT READING. ELECTRONIC ENGINE CONTROL (EEC) RECENT FAULTS BITE TEST {May 15, 2024 · N67846 · Boeing 737924ERSDR ANCF20240430010Warning Message · illuminatedDURING ONE ENG START "ENG 1 ONE TLA FAULT". DURING TAKE OFF ONCES THE TAKE OFF POWER WAS SELECTED "ENG 1 THR LEVER DISAGREE ON ECAM, AND ENG 1 THR WENT TO IDLE. WE ABORTED THE TAKE AFF AT 30 KTS APPROXIMATELY. IN ACCORDANCE WITH TSM TASK 76-11-00-810-813-A RApr 28, 2024 · N207FR · Airbus A320214SDR 2024FA0000372Bearing · failedTORQUE SENSOR BEARING FAILED (PN: 3103585AL-1, SN: TA43-0510123, TSN: 2,125.4). SPECTROMETRIC OIL ANALYSIS PROGRAM RESULT REPORT DISCOVERED M50 PLATELETS, SHINY, >100, UP TO 1.1MMX0.9MM. M50 IS A BEARING RACE MATERIAL AND THE QUANTITY OF PLATELETS FOUND IN THEApr 21, 2024 · N175SW · Swrngn SA227ACSDR HNAA2024040400281Valve · faultedBLD 2 OVER TEMP DURING CLIMB BETWEEN 16K AND 18K IN ICING CONDITIONS. REMOVED AN REPLACED #200 FAN AIR VALVE IAW AMM 36-11-03. OPS CHECK GOOD. OK FOR SERVICE AT THIS TIME.Apr 2, 2024 · N653AE · Emb EMB145LRSDR G1IA20240312061Chip Detector · unserviceableDISCREPANCY: IN CRUISE FLIGHT THE CHIP CWAS LIGHT STARTED TO CONTINUOUSLY FLASH ON AND OFF, THIS CONTINUED THROUGHOUT THE DESCENT. DECLARED AN EMERGENCY WITH ATC, CONDUCTED APPROPRIATE CHECKLIST, AND LANDED AS SOON AS PRACTICAL. CORRECTIVE ACTION: FOUND BROKEMar 12, 2024 · N238VM · Pilats PC1245SDR CALA2024031100684Probe · faultyL ENG EEC MODE EICAS ILLUMINATED AFTER ENG START ENG1 EPR INDICATION INOP IN BOTH EICAS AND STBY TRIED CYCLING OF ACCOMPLISHED TROUBLESHOOTING PER FIM 73-21 FAULKT TREE 826, EEC MODE SELECTOR SWITCH, NO HELP. ALSO TRIED ENG 1 RESTART AND FOUND P2/T2 PROBE (T86Mar 8, 2024 · N647UA · Boeing 767322SDR AALA202403016319Thermostat · damagedAIRCRAFT WAS GROUNDED: ON DESCENT, AT IDLE POWER, STRONG MUSTY SMELL IN CABIN WHICH REMAINED UNTIL SHUTDOWN. SMELL DISSIPATED WHEN ENGINES SHUT DOWN, APU AIR NOT USED. SMELL RETURNED WHEN EXTERNAL AIR HOOKED UP. MAINTENANCE FOUND THE APU OIL COOLING FAN LEAKINFeb 28, 2024 · N524UW · Airbus A321231SDR CALA2024030100616Tube · brokenTHRUST ASSYMETRY COMP FAULT TECH SUPPORT UPDATE. MBF SHOWING MAINT MESSAGE 77-61122. USE FIM 77-11 TASK 805 TO INVESTIGATE POSSIBLE P4.95 (P5) LINE LEAKAGE. IADLM MACINNES. FOUND P 4.5 (P5) LINE LEAKING AIR. REMOVED AND REPLACED RIGHT ENGINE, AFT MOST SEGMENTFeb 27, 2024 · N787UA · Boeing 777222SDR CALA2024021900467Thermocouple · intermittentE1 ESN 896345 IS EXHIBITING ERRATIC EGT INDICATION. PERFORM FIM 77-21-00-810-805C1 SIMPLIFIED EGT INDICATION TROUBLESHOOTING. PL EASE UPDATE THIS LOG PAGE WITH FINDINGS AND ACTIONS. IF THE EEC BITE REVEALS A SECTOR OR SECTORS OUT OF RANGE, REPLACE ALL HARDWAREFeb 16, 2024 · N57439 · Boeing 737924ERSDR CALA2024011500117Monitor · intermittentRGT ENG VIBRATION IN YELLOW SEVERL TIMES DURING CRUISE. COMPLETED BLOCK 1 OF FIM 77-31-805, >NO< AVM EXISTING FAULTS FOR L OR R ENG DISPLAYED OR RECORDED IN THE ''DATA'' SELECTION. FIM 77-31-805 IN BLOCK 2 REFERS ''HIGH VIBRATION INDICATED'' FIM 71-05-808... FJan 12, 2024 · N19136 · Boeing 757224SDR QR9R2024010400002Sensor · failedOVERSPEED FAIL #2 ENG AFTER STARTUP. WOULD NOT CLEAR AFTER RESETTING C/B. REMOVED AND REPLACED DOUBLE SENSOR IAW EMM 77-14-00-900-802-A01. MOC SUCCESSFULLY COMPLETED.Jan 4, 2024 · Bolkms BK117C2SDR YENA2023120601552Unknown · unknownFLT#661, JFK-BGI. (AIRCRAFT PERFORMED AN AIR TURN BACK TO JFK) 'DURING CLIMB OUT AROUND FL270 WE RECEIVED 1ST CAUTION ON ECAM FOR ENG 1 HIGH VIBRATION THIS CONTINUED ON AND OFF WITH HIGHEST NUMBER OF 6.2 FOR ENG 1-N2 VIBRATION IT KEPT REPEATING FOR THE DURATIODec 5, 2023 · N2059J · Airbus A321271NSDR DALA2023111309280Unknown · unknownSHIP 5016 -ATB- AIR TURN BACK DUE TO RIGHT ENGINE VIBES PEAKED AT 5.3 IN CLIMB. THROTTLE WAS RETARDED TO 70% TO COME BELOW 5.0 ON VIBES. CORRECTIVE ACTION: PERFORMED GVI AND BORESCOPE INSPECTIONS WITH NO FINDINGS. REPLACED AODV PER A321NEO AMM 79-21. OK FOR SENov 12, 2023 · N516DA · Airbus A320*SDR ASAA2023111046129Unknown · unknownDURING ENGINE START ON #2 EGT SPIKED TO APPROX 500 C, EGT BOX STARTED BLINKING ENGINE AUTO SHUTDOWN. RAN QRC FOLLOW BY QRH. GROUNDED - YES. PERFORMED EEC BITE CHECK ON #2 ENG PER F.I.M 73-00-TASK 801, NO RECENT FAULTS AND NO FAULT HISTORY FOUND. HAD FLIGHT CRENov 10, 2023 · N431AS · Boeing 737990ERSDR CALA2023111003317Pimu · warning messageDURING TO ROLL AT 40/60 KNOTS R EEC FAIL ILLUM WITH ASSOCIATED I CAS. R EEC ALTN ILUMINATED MAINT STS ABORTED T/O INSPECTED TIRES AND BRAKES. NO DAMAGE FOUND. REF AMM 32-40-00. RESET R PIMU REF AMM 77-35-01 CREW EGR TWICE CURENTLY NO MSG CONT ON LP 6251423 ANDNov 9, 2023 · N685UA · Boeing 767324SDR ASAA2023110746068Relay · faultyWHILE ACCOMPLISHING T/C 78273000, FOUND ENG. 2 LONG TIME FAULT MSG.# 76-31362, THE START LEVER SIGNALS DISAGREE. GROUNDED - YES. (RESOLVED ON W/O: 1976254 TASKCARD: N/R-00002 ) PERFORMED EEC TEST PER FIM 76-11 TASK 801 NO FAULTS FOUND DUE TO HISTORY REPLACED ENov 7, 2023 · N538AS · Boeing 737890SDR ASAA2023103145952Unknown · unknownDURING T/C 78273000, FND ECONOMIC FAULT 77-10851 ON ENG 1. BOTTOM RT EGT SIGNAL OUT OF RANGE. GROUNDED - YES. ON DEFERRAL.Oct 31, 2023 · N440AS · Boeing 737990ERSDR AALA202310263840Relay · warning messageAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO DFW. DURING CLIMB-OUT ENGINE 2 EPR MODE FAULT OCCURRED. THE AIRCRAFT LANDED SAFELY AT DFW WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED RELAY BOX 4100KS PER AMM 71-51-49 AND ACCOMPLOct 24, 2023 · N556UW · Airbus A320*
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