JASC 2780
Service difficulty reports · 2,160
Reports filed under 2780 · Leading Edge Slat Control 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 = '2780' 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.
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 = '2780' ORDER BY difficulty_date DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
SDR DL76L040936Sensor · contaminatedL/E SLAT ASSY LIGHT AFTER TAKEOFF. ATB INTO ATL. FOUND SENSORS CONTAMINATED WITH GREASE.SDR DL73S040880Control Unit · malfunctionedUPON FLAP RETRACTION AFTER TAKEOFF L/E FLAPS TRANSIT LIGHT FLICKERED, NR 1 L/E SLAT ANNUNCIATOR INDICATED FULL EXT, L/E FLAPS TRANSIT LIGHT EVENTUALLY REMAINED ILLUMINATED. REPLACED FLAP/SLAT POSITION SWITCH UNIT MODULE AND PERFORMED A TEST WITH L/E FLAP/SLATSDR SWIA200413780Control Unit · malfunctionedSLATS HALFSPEED STATUS MESSAGE. REMOVED AND REPLACED NR 2 SFECU IAW MM 27-51-05. OPERATIONAL CHECK GOOD.SDR COMA0470064Control Unit · malfunctionedFLIGHT 5692 SLATS FAIL CAUTION MESSAGE. REPLACED SFECU NR 2.SDR DL738040803Actuator · bypassingAFTER TAKEOFF UPON FLAP/SLAT RETRACTION THE LEADING EDGE SLATS LOCKED OUT. TROUBLESHOOTING PER MAINTENANCE MANUAL AND BOEING SERVICE BULLETIN, FOUND NUMBER 1 AND NUMBER 8 LEADING EDGE SLAT ACTUATORS BYPASSING. REPLACED BOTH ACTUATORS PER M/M, OPERATIONAL CHSDR 2004F00236Fuse Link · shearedRT OB SLAT RETAINER MECHANISM MECHANICAL FUSE SHEARED. (REFERENCE MM 27-83-08 PAGE 202 FIGURE 201) REFERENCE NON-ROUTINE 39546.SDR AALA20040849Sensor · inoperativeHNL - INFLIGHT T270/12 ON INITIAL CLIMBOUT BEFORE FLAP HANDLE MOVED LEADING EDGE FLAP ASYMMETRY LIGHT CAME ON. RETURNED TO HNL AND LANDED WITHOUT INCIDENT. DUPLICATED FAULT WITH SLATS. FOUND FAULT ASSOCIATED WITH NUMBER SIX SLAT SENSOR. REPLACED SENSOR SWISDR AALA20040848Pseu · inoperativeHNL INFLIGHT T296/11 LEADING EDGE SLAT ASYMMETRY WITH FLAP INDICATION BETWEEN ONE AND UP. RETURNED TO HNL AND LANDED OVERWEIGHT WITHOUT INCIDENT. OVERWEIGHT INSPECTION ACCOMPLISHED IAW WORK CARD 05 96 11 WITH NO DISCREPANCIES FOUND. REPLACED FSEU AND PSEUSDR ANCF200400026Slat · out of adjustEICAS MESSAGE LT SLAT DISAGREE DISPLAYED. WITH THE FLAP LEVER IN 1 BOTH FLAP POINTERS INDICATE .5. LT SLAT DISAGREE CHECK LIST ACCOMPLISHED AND MESSAGE REMAINED ON AFTER PROCEDURE COMPLETED. PERFORMED FIM PROCEDURE 27-81-00 PAGE 116 BLOCKS 1 AND 27 AND ADJUSDR ASMF200408006Proximity Switch · damagedDURING TRANSIT CHECK, CAPTAIN REPORTED SLAT DISAGREE LIGHT TURNED ON. PSEU WAS TESTED SHOWING FAIL CODES 510 AND 580. PSEU WAS REPLACED IAW 34-19-01, BUT FAIL CONTINUED. LT SLAT SENSORS WERE CHECKED DETECTING FAIL IN SENSOR "C", SENSOR "C" AND ITS SPRING WERESDR ASMF200408005Control Valve · damagedAIRCRAFT WAS SENT TO THE HANGAR TO ATTEND FLAPS DIFFERENCE INDICATIONS AND FLAPS DID NOT RETRACT COMPLETELY. FLAPS CONTROL VALVE AND INTERIOR FLAPS ACTUATORS WERE REPLACED IAW MM 27-50-01 AND 27-50-02, BUT FAIL CONTINUES. FLAPS CONTROL VALVE WAS REPLACED AGAINSDR UPS04542830Slat · out of rigDIVERSION - L/E SLAT DISAGREE MESSAGE AT FLAP EXT. ADJUSTED RIGHT SLATS NR 7, 8, 9, 10 IAW MM 27-81-00-5. ADJUSTED LT & RT SLATS O/B POSITION TRANS IAW MM 27-58-01-5. C/W BOW TS 1820 REV 998 SYSTEM OPS CHECKS NORMAL.SDR 04FDEA02047Computer · malfunctionedAFTER TAKEOFF NR 1 SYSTEM FAULT, FLAPS RETRACTED NORMAL FROM 20/20. NEXT RETRACTION GOT BOTH SYSTEM 1 & 2 FAULT. SLATS LOCKED AT 15 DEG. FOLLOWED QRH PROCEDURES, RECYCLED AND NO HELP. SET UP FOR SLATS 15 STUCK LANDING. SFCC NR 2 WAS REMOVED AND REPLACED DSDR ASMF200407006Cable · brokenDURING OVERNIGHT SERVICE, SLAT NR 5 CONTROL CABLE WAS DETECTED BROKEN. CONTROL CABLE WAS REPLACED IAW MM 27-80-00, TEST CORRECT. DURING OVERNIGHT SERVICE, LT WING OPERATIONAL TEST OF SLAT NR 5 WAS PERFORMED IAW MM 27-80-00, ALL CORRECT.SDR DL76G040626Sensor · malfunctionedLEADING EDGE SLAT ASYM ON TAKEOFF OUT OF EHAM. LIGHT CAME ON GOING FROM FLAPS 1 WITH FLAP HANDLE UP. PSEU LEFT SLAT 1 INBD SENSOR 282 PER AMM REPLACED SENSOR PER AMM. OPS OK PSEU NO FAULTS ALL NEAR/FAR INDICATIONS GOOD FOR DIFFERENT SLAT POSITIONS. OK FOR SDR UPS04542614Bypass Valve · failedAFTER SELECTING FLAPS 1, FLAP POSITION INDICATOR STOPPED BETWEEN 0 AND 1, LEADING EDGE SLAT DISAGREE MSG APPEARED. COMPLETED APPROPRIATE CHECKLIST AND LANDED FLAPS 20 W/O FURTHER PROBLEM. REMOVED AND REPLACED L/E SLAT BY-PASS VALVE, OPS CHECKS GOOD PER MM 27SDR DL76G040595Switch · out of rigL/E ASSYM ON T/O AT 1000 AGL RETURNING TO LGW. FOUND SLAT ASSYM SWITCH 284 OUT OF ADJUSTMENT. RESHIMMED PROX SWITCH 284 ON NR 3 SLAT.SDR UIEA200400116Drive Unit · unserviceableDURING CLIMB LT L/E NR 2 AMBER LIGHT REMAINED ILLUMINATED. ALTERNATE PROCEDURES ACCOMPLISHED TO NO AVAIL. WITH NR 2 L/E DIRECTIONAL SW TO (UP), ALTERNATE L/E FLAP DRIVE C/B ON P6 TRIPS. 27000 KG FUEL DUMPED IAW FUEL JETTISON CHECKLIST AT FL140 TO MAX LANDINSDR 0401039756Duct · damagedDURING SLAT RETRACTION AFTER TAKEOFF, THE AIRCRAFT ROLLED TO THE LEFT ACCOMPANIED BY THE SLAT DISAGREEMENT LIGHT. COMPLIED WITH COM PROCEDURES WHICH REQUIRED THE SLATS TO BE EXTENDED AND THAT NEUTRALIZED THE UNCOMMANDED ROLLING TENDENCY. FLIGHT RETURNED TO MSDR SWIA200413424Computer · malfunctionedSLATS HALF SPEED MSG (STATUS) INFLIGHT. CLEANED MDC INHIBITS FOR SLATS SYSTEM. OPERATIONAL CHECK GOOD IAW FIM 27-81-00.SDR CA040611005Switch · inoperative(CAN) AFTER TAKE OFF AND DURING CLIMB IT WAS OBSERVED THAT THE LT OB KRUGER FLAP WAS NOT RETRACTED. BOTH INDICATIONS SHOWED THE KRUGER WAS STILL EXTENDED. THE AIRCRAFT MADE AN UNSCHEDULED LANDING WITHOUT INCIDENT. JUMPER ASSY WAS INSTALLED IAW B727-27-80-02SDR ANCF200400011Switch · failedDURING TAKE OFF WARNING FLAPS WAS PRESENTED WITH DISAGREE LIGHT ON MOMENTARILY BACK TO TAKE OFF. STALL WARNING COMPUTERS WAS CHECKED FOR FAULT CODE AND THEY SHOW FLAPS FAIL, RESET WAS ACCOMPLISHED AND TEST WAS PERFORMED IAW AMM NOT DUPLICATED FAIL. FLAP/SLATSDR F3LA200400067Control Module · inoperativeABORTED TAKEOFF. FLIGHT CREW REPORTED L/E FLAPS TRANSIT LIGHT ILLUMINATED WITH NR 2 SLAT ON OVERHEAD PANEL SHOWING INTRANSIT. TAKEOFF ABORTED AT 111 KIAS. REPLACED FLAP/SLAT MODULE PER MM 27-88-41. CHECKED TARGET TO EXTEND SENSORS ON NR 2, 3 AND 5 SLATS PESDR COMA0470045Control Unit · malfunctionedFLIGHT 2780 SLATS FAIL CAUTION MESSAGE. RESET THE SECUS, SYSTEM TEST SATISFACTORY.SDR DL78K040467Fseu · failedRETURN TO ATL, WITH LEADING EGDE SLAT NR 1 AND LEADING EDGE FLAPS NR 1 AND NR 4, REMAINING ILLUMINATED AMBER ON AFT OVERHEAD ANNUNCIATOR, LE FLAP TRANSIT REMAINED ILLUMINATED CREATING LE LOCKOUT NO ADVERSE ROLL. REPLACED FSEU FOR FAULT CODE 27-51105.SDR 0400879868Duct · lack of lubeFLIGHT CREW NOTICED A LT ROLLING MOTION AFTER SLAT EXTENSION ALONG WITH A SLAT DISAGREEMENT LIGHT. COMPLIED WITH COM PROCEDURES AND NORMAL HYDRAULIC PRESSURE OF 3000 PSI WAS CONFIRMED. CAPTAIN DECLARED AN EMERGENCY WITH ATC, HAD CFR CALLED OUT, AND ACCOMPLISSDR USA2004F00050Flap · malfunctionedON APPROACH, CREW RECEIVED A LEADING EDGE FLAPS TRANSIT LIGHT ASSOCIATED WITH A YELLOW TRANSIT LIGHT ON THE NR 3 LEADING EDGE SLAT. CAPTAIN REPORTED THE FLAPS WOULD NOT EXTEND PAST 15 UNITS. FLIGHT LANDED WITHOUT FURTHER INCIDENT AND TAXIED TO THE GATE. AN SDR 0400859874Warning Light · illuminatedDURING SLAT EXTENSION FOR LANDING AT BUF, THE AIRCRAFT ROLLED WITH BOTH THE SLAT DISAGREEMENT AND SLAT EXTEND LIGHTS ILLUMINATED. COMPLIED WITH COM PROCEDURES AND FIRST OFFICER WENT BACK TO VISUALLY CHECK THAT BOTH SLATS WERE EXTENDED PRIOR TO LANDING. THE SLASDR 0400789874Duct · damagedDURING SLAT EXTENSION ON APPROACH, THE AIRCRAFT ROLLED RIGHT WITH THE SLAT DISAGREEMENT LIGHT ILLUMINATED. INITIATED COM PROCEDURES WHEN CREW HEARD A THUD AND THE LIGHT EXTINGUISHED. LANDING AT MSP WAS NORMAL. MAINTENANCE REPLACED THE T-DUCT, O-RINGS, SLIDESDR ASMF200405002Proximity Switch · failedAIRCRAFT RETURNED TO PLATFORM. DURING ENGINE START THE (STALL INDICATION FAILURE) LIGHT TURNED ON. STALL COMPUTERS TESTS WERE PERFORMED AND SLATS FAILURE WAS DETECTED ON COMPUTER NR 2 AND (SIF) LIGHT TURNED ON ON BOTH COMPUTERS. PROXIMITY SWITCH ELECTRONICSDR DHL2004367004Sensor · failedSLAT/FLAP LEVER WOULD NOT MOVE AFTER TAKEOFF COMPLETED THE SLAT/FLAP LEVER LOCK FAILURE ABNORMAL PROCEDURE. REMOVED AND REPLACED NR 1 AOA SENSOR IAW MM 22-23-39. CHECKED GOOD. PERFORMED OPERATIONAL TEST OF SLAT RETRACTION INTERLOCK IAW MM 27- 81-00. TESTESDR 04FDEA01098Drum · wrong partLEFT HAND SLAT DRIVE MECHANISM FOLLOW UP CABLE DRUM IS THE WRONG PART NUMBER. REMOVED AND REPLACED DRUM FOR LEFT HAND SLAT DRIVE MECHANISM IAW DAC CMM 27-83-11 PAGE 505 ITEM 9.SDR 04FDEA001098Drum · wrong partLT SLAT DRIVE MECHANISM FOLLOWUP CABLW DRUM IS THE WRONG PART NUMBER. REMOVED AND REPLACE DRUM FOR LEFT HAND SLAT DRIVE MECHANISM IAW DAC CMM 27-83-11 PAGE 505 ITEM 9.SDR ASMF200404015Control Cable · damagedDURING TRANSIT CHECK SLAT NR 5 ON LEFT WING DID NOT RETRACT. A CYCLE OF SLAT WAS PERFORMED WITHOUT POSITIVE RESULTS. PANEL WAS REMOVED AND A CABLE WAS DETECTED WITH DAMAGE. THE LEFT SLAT NR 5 CABLE AND PULLEY WERE REPLACED IAW MM 27-80-01, ALL CORRECT.SDR ASMF200404007Actuator · failedAIRCRAFT RETURNED TO PLATFORM AS A CONSEQUENCE OF DURING TAXIING THE AUTO SLAT FAIL LIGHT TURNED ON. AT PLATFORM, THE TECHNICAL PERSONNEL PERFORMED A TEST TO THE SYSTEM GETTING THE SAME RESULTS WITH FAIL CODE IN BOTH COMPUTERS. AIRPLANE WAS SENT TO THE HANGASDR ANCF200400025Pseu · malfunctionedTAKE OFF WAS DISCONTINUED SLATS DISAGREE LGT COME ON AND FLAPS /SLATS AURAL TAKE OFF WARNING SOUNDED AT APPROX 60 KTS FLAPS 6.3 GROUND RETURN.RT SLAT N3 SENSOR WAS RIGGING IAW AMM 32-08-00/102A AND 208. REPLACED PSEU IAW AMM 32-61-00/201 CHEEKED ALL SLAT PROXSDR C1HA200485003Flap · inoperativeNR 4 KRUGER FLAP WOULD NOT RETRACT AFTER TAKEOFF. AIRCRAFT CURRENTLY IN HEAVY CHECK AND CORRECTIVE ACTION WILL FOLLOW WITH C CHECK FINDING AND RESOLUTION.SDR CALA0400320Valve · leakingTHE FLIGHT ATTENDANTS REPORTED AN ELECTRICAL SMELL IN THE AFT CABIN WHILE IN FLIGHT. THE AIRCRAFT WAS RETURNED TO IAH WHERE IT LANDED SAFELY. MAINTENANCE FOUND THE LEADING EDGE SLAT POWER DRIVE UNIT CONTROL VALVE MODULE LEAKING HYDRAULIC FLUID. THE ODOR OBSSDR CA040408012Torque Tube · disconnected(CAN) ON APPROACH THE CREW SELECTED SLATS TO GO OUT AND GOT A FAIL MESSAGE ON EICAS. POST LANDING INSPECTION REVEALED THAT THE LT SLAT PARTIALLY DEPLOYED AND THE RT SLAT WAS STOWED. MAINTENANCE CREW FOUND THE RT TORQUE TUBE DISCONNECTED FROM THE SLAT POWER DRSDR SWIA200413107Controller · malfunctionedSLATS HALF SPEED MESSAGE. REMOVED AND REPLACED LEFT SLAT/FLAP CONTROLLER. OPS CHECK GOOD IAW 27-51-05.SDR YENA200420Computer · malfunctionedFLAPS LOCKED WITH ALIGNMENT FAULT BETWEEN 0 & 1; SLATS NORMAL EXTENSION. RESET BOTH SFCC'S AND PERFORMED TSM TASK 27-51-00810-818 PAR 4. A. (5), NO FAULTS NOTED. AIRCRAFT IS SATISFACTORY FOR SERVICE.SDR DXTA200400279Control Valve · leakingUPON GEAR EXTENSION HYDRAULIC FLUID LEVEL DROPPED BELOW 16 PERCENT, DIVERTED AIRCRAFT TO APA AND LANDED SAFELY. FOUND SLAT SPOOL VALVE LEAKING, REMOVED AND REPLACED VALVE, BLED A/B SYSTEM RESERVOIRS WITH (2) GALLONS OF SKYDROL EACH. LEAK CHECKED GOOD IAW THESDR EIA2004018Drive Shaft · shearedDURING WALKAROUND FOUND LE FLAPS NR 15 & 16 EXTENDED WITH DRIVE SHAFT SHEARED OFF. REMOVED AND REPLACED TORQUE TUBE IAW B747 MM 27-81-05. OPS CHECKED NORMAL.SDR 0400459750Control Cable · stretchedDURING APPROACH FOR LANDING, THE AIRCRAFT ROLLED WHEN SLATS WERE SELECTED TO EXTEND. BOTH BLUE SLAT EXTEND AND SLAT DISAGREEMENT LIGHTS WERE FLICKERING. DISAGREE LIGHT WENT OUT AND EXTEND LIGHT CAME ON STEADY AT 135 KTS. CREW STATES THAT WHEN THE LIGHTS WERSDR WRNA200400002Brake Assy · failedSLATS WOULD NOT RETRACT AFTER TAKE-OFF. DUMP FUEL AND RETURNED TO AIRPORT. LANDING NORMAL. TROUBLESHOT SLAT SYSTEM. OPS CHECK OK. INSPECTED SYSTEM FOUND NR 2 & 3 SCREWJACK RT WING TRIPPED. RESET TRIP INDICATORS. CHECK BOTH LT AND RT WING FRICTION BRAKES FOR SSDR WRNA200400001Brake Assy · failedSLATS WOULD NOT RETRACT AFTER TAKE-OFF. DUMP FUEL AND RETURNED TO AIRPORT. LANDING NORMAL. TROUBLESHOT SLAT SYSTEM. OPS CHECK OK. INSPECTED SYSTEM FOUND NR 2 & 3 SCREWJACK RT WING TRIPPED. RESET TRIP INDICATORS. CHECK BOTH LT AND RT WING FRICTION BRAKES FOR SLSDR AALA20040362Control Unit · inoperativePOS INFLIGHT T1819/10 ON APPROACH LEADING EDGE FLAP ASYMMETRY EICAS MESSAGE. FLAPS JAMMED AT ONE DEGREE. USED ALTERNATE METHOD TO GET FLAPS DOWN TO 20. DECLARED EMERGENCY AND LANDED WITHOUT INCIDENT. ACCOMPLISHED BITE CHECK FSEU WITH NO FAULTS NOTED. SYSDR 1965Crank Assy · fracturedFLIGHT CREW REPORTED WING SLOT LIGHT ON WITH FLAPS EXTENDED. FOUND RIGHT AHND EXTENDED LEADING OOUTBOARD SLOT DOOR INOPERATIVE DUE TO FRACTURED AND BROKEN CRANK ASSEMBLY AT STA.XS476SDR 2004UALA00156Pdu · failedFLIGHT RETURNED TO FIELD WITH A LEADING EDGE SLAT DISAGREEMENT MESSAGE. LEFT PDU TORQUE LIMITER TRIPPED. REPLACED LEFT LEADING EDGE POWER DRIVE UNIT.SDR 04FDEA00431Proximity Switch · malfunctionedON TAKEOFF OUT OF OAK, SLATS DID NOT RETRACT. ALERT FOR SLAT DISAGREE. RAN THE QRH CHECKLIST AND RETURNED TO OAK. CYCLED TWICE. CHECKED PSEU & FCC 1 & 2. PERFORMED PSEU RTS, ALL NORMAL. TESTED SLAT SENSORS MM 27-84-02-5, ALL NORMAL. PERFORMED RTS OF SL
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