JASC 2750

Service difficulty reports · 10,201

Reports filed under 2750 · Trailing Edge Flap 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 = '2750'
  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 MALA975977Control Cable · failedAFTER DEPARTURE, FLAP DRIVE FAULT LIGHT ILLUMINATED AND FLAPS STUCK A 5 DEGREES. AIRCRAFT DIVERTED TO MSP. MAINTENANCE REPLACED THE RIGHT SECONDARY FLAP DRIVE CABLES AND NR 1 STANDBY HYDRAULIC PUMP (P/N 731840), (S/N MX-519012). ALL CHECKS GOOD.Feb 8, 1998 · N846MA · Dhav DHC8102SDR AU980187Gearbox · failed(AUS) FLAP GEARBOX IDLER GEAR TEETH SHEARED OFF.Feb 6, 1998 · Cessna 402CSDR 98ZZZX2276Bellcrank · crackWHILE PERFORMING ANNUAL INSPECTION, THE FLAP BELLCRANK IN THE RT WING WAS FOUND CRACKED IN HALF CAUSING A 'SPLIT FLAP' CONDITION WHEN THE FLAPS WERE LOWERED. GONE UNCORRECTED, LOSS OF AIRCRAFT CONTROL COULD RESULT. RECOMMEND CLOSE ATTENTION BE PAID TO THIS AFeb 6, 1998 · N1818W · Piper PA46350PSDR CA980309003Bolt · bent(CAN) THE LT BELLCRANK BOLT FOUND BENT APPROXIMATELY 3 DEGREES IN MIDDLE. RT BOLT BENT APPROXIMATELY 5 DEGREES. REPLACED.Feb 5, 1998 · Moravn Z242LSDR AALA980248Flap Contl Unit · defectiveYYZ - FLT 1611 - AFTER TAKEOFF YYZ, TRAILING EDGE FLAPS WOULD ONLY RETRACT TO 5 DEGREES. AIRCRAFT RETURNED TO YYZ AND LANDED WITHOUT INCIDENT. REPLACED FLAP CONTROL DATA UNIT. SYSTEM GROUND CHECKED, NORMAL OPERATION. FUNCTIONAL CHECK FLIGHT ACCOMPLISHED WIFeb 4, 1998 · N1433B · Fokker F28MK0100SDR DL76L980298Sensor · miswiredFLAP INDICATOR JUMPS FROM 0 TO 1/2 AND L/E SLAT ASYM CAUSING MSG ALONG WITH LEADING EDGE LIGHT. THIS HAPPENED SEVERAL TIMES ON DESCENT. L/E SLATS WERE VISUALLY CHECKED FLAPS WOULD NOT EXTEND NORMALLY OR VIA PRM PROC FOR ALT FLAP EXT. NO FLAP LANDING DONE ATFeb 3, 1998 · N179DN · Boeing 767332SDR VTZA98037Pdu · failureRSW/IAD - FLT 6676 - DURING DESCENT AT 0915 HRS ON 1-31-98, AIRCRAFT MADE A SCHEDULED LANDING WITH ONE DISCREPANCY WHICH WAS THE FLAPS FAILED, EICAS CAUTION MESSAGE ZERO POSITION. AIRCRAFT WENT TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOJan 31, 1998 · N622BR · Cndair CL6002B19SDR 98ZZZX997Control Cable · frayedDURING PREFLIGHT, DISCREPANCY WAS FOUND THAT WHEN THE FLAPS ARE SELECTED TO 10 DEGREES, FLAPS BARELY MOVED. FURTHER INSPECTION REVEALED FLAP CABLE WAS FRAYED ONLY TO TWO STRANDS. THE AREA IN WHICH THE CABLE FRAY IS LOCATED IN AN AREA THAT IS NOT EASILY ACCESJan 30, 1998 · N21113 · Piper PA44180SDR CA980317013Coupling · overheated(CAN) DURING FLAP EXTENSION, FLAP DRIVE CAUTION LIGHT CAME ON BRIEFLY.INSP. FOUND FLAP SECONDARY DRIVE SHAFT COUPLING BEARINGS WORN AND OVERHEATED. COUPLING REPLACED WITH POST MOD COUPLING P/N 735619C.Jan 28, 1998 · Dhav DHC8102SDR UPS98826006Pulley Bracket · corrodedINSPECTION TYPE:D/CK RIGHT MAIN WHEEL WELL FLAP CONTROL PULLEYS WORN AND HARDWARE EVIDENCE OF CORROSION JUST ABOVE GEAR DOOR UPLOCK OTBD. REMOVED AND REPLACED PULLEY BRACKET ON RIGHT SIDE IAW DC8 SRM 51 3 0. REMOVED AND REPLACED PULLEY HARDWARE IAW DC8 MM 20Jan 27, 1998 · N703UP · Doug DC871FSDR COMA9860025Control Lever · malfunctionAFTER TAKEOFF, FLAPS WOULD NOT RETRACT. REPLACED FLAP CONTROL LEVER.Jan 26, 1998 · N977CA · Cndair CL6002B19SDR 98ZZZM255Support Beam · crackedDURING C-CHECK INSPECTION, FOUND LEFT INBOARD T/E FLAP BELLCRANK SUPPORT BEAM CRACKED. REPAIRED BELLCRANK SUPPORT BEAM ASSY. A/C RETURNED TO SERVICE. (M)Jan 26, 1998 · N571CA · Boeing 75723APFSDR AU980092Link · broken(AUS) RH INBOARD FLAP BEVEL GEARBOX TO ATTACHMENT BRACKET LINK BROKEN AT ATTACHMENT HOLE. CAUSED BY EXFOLIATION CORROSION.Jan 25, 1998 · Airbus A300B4203SDR VNAA9801011Control Unit · trippedDURING TAXI FOR TAKEOFF, A FLAP CONTROL FAIL WARNING MESSAGE ILLUMINATED. THE AIRCRAFT RETURNED TO THE GATE AND MAINTENANCE WAS CALLED. MAINTENANCE INSPECTED AND RESET THE FLAP CONTROL UNIT IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 27-50-00. OPERATIONALJan 24, 1998 · N461PS · Dorner DO328100SDR P5CA9800117Link · crackedNR 6 CANOE FAIRING PIVOTING LINK I/B SURFACE LWR SECTION IS CRACKED. REPLACED LINK ASSY PER MM 27-51-26.Jan 21, 1998 · N856FT · Boeing 747132SDR 98ZZZX730Valve · failedDURING OPERATIONAL CHECKS FOLLOWING MAINTENANCE, THE FLAP MANUAL OVERIDE LEVER COULD NOT BE MOVED. TROUBLESHOOTING REVEALED THAT THE FLAP 4-WAY, 3-POSITION, MANUAL OVERRIDE INPUT SHAFT WAS SEIZED. REPLACED THE VALVE WITH AN OVERHAULED ASSEMBLY. OPERATION OFJan 21, 1998 · N843HS · Gulstm G1159ASDR VTZA980033Transmitter · out of adjustFLT 6243 - IAD-PHF - DURING APPROACH, EXPERIENCED A DISCREPANCY WITH THE FLAP SYSTEM. WHEN FLAPS WERE SELECTED TO 20 DEGREES, ACTUALLY WENT TO 45 DEGREES. AIRCRAFT LANDED WITH NO INCIDENT. MX CONTROL WAS NOTIFIED AND MX WAS DISPATCHED FROM IAD TO TROUBLESHOJan 19, 1998 · N482UE · Bag JETSTM3201SDR ASOA98005Computer · defectiveON APPROACH ATL-FAY, SELECTED TO 15 DEG,THE I/B AND NACELLE FLAPS TRACKED TO 15 DEG WHILE THE O/B PAIR ON THE LT SIDE STOPPED AT 5 DEG'S, THE RT SIDE INDICATED 45 DEG'S. A POSITIVE ROLL WAS FELT. THE CREW PROCEEDED WITH THE ASSEMETRY CHECKLIST, DECLARED AN EJan 18, 1998 · N237AS · Emb EMB120RTSDR AU980034Switch · faulty(AUS) FLAP SWITCH FAULTY. FLAP SWITCH INTERNAL SPRING FAILS TO RETURN SWITCH TO NEUTRAL POSITION.Jan 16, 1998 · Cessna 172MSDR 9801073204Retract Mech · malfunctionedDURING APPROACH WHEN FLAPS POSITION ONE SELECTED, RECEIVED F/CTL FLAPS LOCKED MESSAGE. DIVERTED TO IAD AND LANDED WITHOUT INCIDENT. MAINTENANCE RIGGED FLAP SYSTEM, OPERATIONAL CHECK OK.Jan 16, 1998 · N304US · Airbus A320211SDR AALA980103Syncro · defectiveDFW - FLT 0432 - AFTER TAKEOFF, FLAPS WERE SELECTED UP AND THE CREW RECEIVED A FLAP ASYMMETRY MESSAGE ON MFDU. AIRCRAFT RETURNED AND LANDED DFW WITHOUT INCIDENT. REPLACED RIGHT HAND MIDDLE FLAP SYNCRO AND CYCLED FLAPS WITH NO FAULTS. SYSTEM GROUND CHECKED, Jan 13, 1998 · N1407D · Fokker F28MK0100SDR 98ZZZX827Bracket · crackedDURING C/W PIPER AD 96-11-03 (FLAP HANDLE ATTACH BOLT), FOUND 3 OF THE 4 CORNERS OF THE MOUNTING FLANGES WERE CRACKED AT THE RELIEF CUTS.Jan 13, 1998 · N7479R · Piper PA28140SDR 98UAL900014Control Valve · failedTRAILING EDGE LIGHT ON DURING APPROACH AT POSITION 20. EXECUTED MISSED APPROACH. NEXT APPROACH FLAPS WORKED NORMALLY. *S/D* AN INTERMITTENT INTERNAL FAILURE IN THE TRAILING EDGE FLAP POWER DRIVE UNIT HYDRAULIC CONTROL VALVE MODULE ACTIVATED THE T/E FLAP FAJan 13, 1998 · N658UA · Boeing 767322SDR USAASB98010Tq Shaft Door · brokenPHL - FLT 931 - UPON ACCOMPLISHING CHECKLIST TO LAND AT PHL, CREW SET FLAPS AT 30 DEGREES AND NOTICED THE FLAPS WOULD NOT EXTEND PAST 8 DEGREES. A GO-AROUND WAS ACCOMPLISHED AT WHICH TIME THE ALTERNATE FLAP EXTENSION WAS PUT INTO PLACE WITH NO HELP. CREW DECJan 12, 1998 · N518AU · Boeing 7373B7SDR COMA9860008Bpsu · failedFLAP FAIL CAUTION MESSAGE ACTIVATED DURING CRUISE FLIGHT. REPLACED THE LEFT FLAP BRAKE AND POSITION SENSOR UNIT.Jan 12, 1998 · N951CA · Cndair CL6002B19SDR SWIA971077Switch · malfunctionedAT 400 FT CALLED FOR FLAPS UP AND GOT FLAP ASYMMETRY INDICATION. RETURNED TO LAX. INSTALLED SERVICEABLE FLAP HANDLE ASSEMBLY. CYCLED FLAPS EXTENSIVELY WITH NO ASYMMETRY NOTED. OPS CHECKS GOOD.Jan 11, 1998 · N197SW · Emb EMB120ERSDR ASAA9840003Bellcrank · mismanufacturedSEA - DURING C-CHECK, THE BELLCRANK ASSEMBLY ON THE OUTBOARD AFT FLAP IS MISSING DRAIN HOLE. REPAIRED PER EA 2750-01036. (M)Jan 9, 1998 · N755AS · Boeing 7374Q8SDR USAAF98002Synchronizer · failedPHL/IND - FLT 1799 - ON CLIMB-OUT FROM PHL AT 1,000 FEET WHEN FLAPS WERE RETRACTED, FLAP ASYMMETRY' ILLUMINATED AT 8 DEGREES OF FLAP. FLIGHT RETURNED TO PHL WITHOUT FURTHER INCIDENT. NO EMERGENCY WAS DECLARED. MAINTENANCE REPLACED THE RIGHT INBOARD FLAP SYNJan 8, 1998 · N884US · Fokker F28MK0100SDR PCAA980687Connector · corrodedDURING CLIMB-OUT FROM LGA, THE FLAP DRIVE CAUTION LIGHT ILLUMINATED. A/C RETURNED TO FIELD. MAINTENANCE TROUBLESHOT SYSTEM. FOUND MOISTURE AT 2752-P4 TORQUE SENSOR CANNON PLUG CLEANED. ALSO, FOUND SLIGHT CORRSION AT 2752-P5. REPLACED CANNON PLUG. A/C RETJan 8, 1998 · N811AW · Dhav DHC8102SDR 98FDEA00024Retract Mech · malfunctionedFLAPS STUCK AT APPROX 5 DEG ON RETRACTION. FLAPS SYS 1 AND 2 FAULT ILLUMINATED. FLAPS WOULD NOT EXTEND BEYOND 5 DEG ON LANDING. SLATS OPERATED NORMALLY. SFPI FLAP FAULT DID NOT ILLUMINATE. AIRCRAFT RETURNED TO LAS AND LANDED WITH NO INCIDENCE. FOUND RIGHJan 8, 1998 · N415FE · Airbus A310203SDR COMA9860009Bpsu · malfunctionedFLAP FAIL CAUTION MESSAGE DURING FLIGHT. REPLACED THE LEFT AND RIGHT BPSU.Jan 7, 1998 · N979CA · Cndair CL6002B19SDR 9800373202Retract Mech · out of adjustDURING APPROACH WHEN FLAPS POSITION ONE SELECTED, RECEIVED F/CTL FLAPS LOCKED ALIGNMENT FAULT MESSAGE. DIVERTED TO IAD FOR LONGER RUNWAY AND LANDED WITHOUT INCIDENT. MAINTENANCE RIGGED FLAP SYSTEM. OPERATIONAL CHECK OK.Jan 5, 1998 · N302US · Airbus A320211SDR VNAA9712020Control Unit · trippedDURING TAXI, CREW RECEIVED FLAP CONTROL FAIL INDICATION. CREW RETURNED TO GATE. MAINTENANCE RESET FLAP CONTROL UNIT. OPERATIONAL CHECK GOOD. AIRCRAFT APPROVED FOR RETURN TO SERVICE.Dec 31, 1997 · N441JS · Dorner DO328100SDR TAOA129708Transmission · failedFLT 6450 - DCA-LGA - INBOARD FLAPS SPLIT ON RETRACTION AFTER DEPARTURE, AIRCRAFT RETURNED TO DCA. FOUND NR 5 FLAP TRANSMISSION WITH SHEARED PIN IN FLAP DRIVE UNIT. REPLACED NR 5 FLAP TRANSMISSION. (M)Dec 30, 1997 · N926TS · Boeing 727227SDR COMA9860005Bpsu · contaminatedFLAPS FAILED AT ZERO DEGREES. RESET THE FECU, NO FAULT CODES NOTED. NEXT FLIGHT FLAPS FAILED AGAIN. CLEANED DE-ICE FLUID FROM THE BPSU WIRING HARNESS.Dec 30, 1997 · N931CA · Cndair CL6002B19SDR AU971631Pushrod · wrong part(AUS) RT INBOARD TRAILING EDGE NR 5 AFT FLAP PUSHROD INCORRECT PART. PUSHROD WAS ALSO 20.637MM (0.8125 INCH) TOO SHORT. GENEVA CAMS NR 5 AND NR 6 ALSO TRANSPOSED.Dec 30, 1997 · Boeing 747312SDR NOCA1397Retract Mech · malfunctionedPHL-TER - ON APPROACH TER, TRAILING EDGE FLAP DISAGREE LIGHT ON EICAS FLAPS SELECTED TO 1 DEGREE, INDICATOR DID NOT MOVE. CREW USED ALTERNATE FLAP EXTENSION PROCEDURE AND LANDED FLAPS 20. ON GROUND, PERFORMED BITE CHECK ON FSEU 1, 2 AND 3, NO FAULT FOUND. TDec 28, 1997 · N750NA · Boeing 75728ASDR COMA9760257Bpsu · failedFLAPS FAILED AT ZERO DEGREES. REPLACED THE RIGHT HAND FLAP BRAKE AND POSITION UNIT.Dec 27, 1997 · N931CA · Cndair CL6002B19SDR ASOA97069Flap Annunciator · defectiveOUTBOARD DFW-HOU, EXPERIENCED FLAP CONTROL FAULT. CREW FOLLOWED QRH RESET PROCEDURES. THE SYSTEM WOULD NTO RESET AND THE CREW CONTACTED MAINTENANCE, DECLARED AN EMERGENCY AND RETURNED TO DFW WHERE LANDING WAS MADE WITHOUT INCIDENT. DFW MAINTENANCE MEGOHMED Dec 26, 1997 · N244AS · Emb EMB120RTSDR MZZA98020Bushing · misinstalledKUL - LEFT INBOARD MIDFLAP. INBOARD AFT FLAP DRIVE SYSTEM DRIVE WHEEL HAS SERRATED RUB MARKS ON LOWER SURFACE INDICATING RUBBING ON STRUCTURE. DRIVEWHEEL REMOVED AND FOUND SHIM WASHER LOCATED BETWEEN BEARING AND HOSING MISSING. ALSO, FOUND FWD END OF AFT FLDec 23, 1997 · N75429 · Boeing 7272F9SDR ASOA97067Connector · dirtyINBOUND DFW-ICT, EXPERIENCED FLAP CONTROL FAULT. RAN CHECKLIST WITHOUT SUCCESS. AFTER CONSULTING WITH FLT CONTROL, AGREED TO CONTINUE TO ICT. CREW DECLARED AN EMERGENCY AND PERFORMED A ZERO-FLAP LANDING WITHOUT FURTHER INCIDENT. DFW MECHANIC WAS DISPATCHEDDec 21, 1997 · N283AS · Emb EMB120RTSDR ASOA97066Valve Block Assy · defectiveDURING APPROACH VPS-ATL, RECEIVED THE 'FLAPS UNLOCK' LEVEL 3 ALERT. THE FLAP POSITION INDICATOR DISPLAYED THE SELECTED 30 DEGREE POSITION. CREW PERFORMED A MISSED APPROACH, DECLARED AN EMERGENCY AND PERFORMED A ZERO FLAP LANDING. LANDING WAS UNEVENTFUL. ATDec 19, 1997 · N632AS · Aerosp ATR72212SDR VNAA9712009Control Unit · trippedDURING TAXI OUT FOR TAKEOFF, THE CREW NOTED A FLAP CONTROL FAIL WARNING MESSAGE. THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE RESET, AND OPERATION CHECKED THE FLAP CONTROL SYSTEM IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 27-50-00. FUNCTION CHECKS WERDec 18, 1997 · N439JS · Dorner DO328100SDR MZZA98031Rivet · shearedKUL - RIGHT OUTBOARD AFT FLAP DOES NOT RETRACT TO A PARALELL POSITION, AS COMPARED TO MIDFLAP TRAILING EDGE, OUTBOARD END HAS EXCESSIVE GAP. UPON INVESTIGATION FOUND OUTBOARD AFT FLAP OUTBOARD DRIVE PUSHROD CONTROLLER RIVET SHEARED. SUB STITUTED WITH A 18 INDec 18, 1997 · N75429 · Boeing 7272F9SDR 98ZZZX166Control Cable · misinstalledDURING 100 HOUR INSPECTION, AILERON CABLE WAS BEING REPLACED. FOUND FLAP DIRECT CABLE NOT SAFETIED. THIS CABLE IS LOCATED BEHIND HEADLINER. IT WOULD HAVE NEVER BEEN DETECTED IF HEADLINER WAS INSTALLED. SUBMITTER RECOMMENDED ACCESS PLATE TO INSPECT CABLES DDec 17, 1997 · N361ES · Cessna 172RSDR SWIA971044Control Unit · malfunctionedAFTER DEPARTURE, SELECTED FLAPS TO 0 DEGREES AND GOT A FLAP DISAGREEMENT. CALLED MAINTENANCE CONTROL THROUGH ATLANTA RADIO AND WAS TOLD TO RETURN TO LAX. GOT A ROLL TO THE RIGHT WHEN SELECTING FLAPS 15 DEG FROM FLAPS 0 DEG. REPLACED FLAP CONTROL UNIT AND OPDec 12, 1997 · N215SW · Emb EMB120ERSDR WWMA9700205Valve · failedFLAPS DEPLOYED IN FLIGHT. UNABLE TO RETRACT THEM. REMOVED AND REPLACED FLAP CONTROL VALVE IAW SAAB MM 27-51-15, PERFORMED OPS CHECK IAW SAAB MM 27-51-00. OPS CHECK GOOD.Dec 7, 1997 · N309AE · Saab 340BSDR ASAA9710130Retract Mech · out of adjustSEA - DURING C-CHECK, A PROBLEM WAS ENCOUNTERED DURING RIGGING OF THE OUTBOARD AFT FLAP TO MID FLAP. REPAIRED PER EA 5750-01061 AND BOEING TELEX ASA-SEA-97-0489RR. (M)Dec 6, 1997 · N746AS · Boeing 7372X6CSDR CA971231012Coupling · failed(CAN) DURING DESCENT, A FLAP DR WARN LIGHT ILLUMINATED. MAINT FND PRIMARY DR TQ TUBE CAME OFF INBD SIDE OF LT INBD NR 1 FLAP BALLSCREW ACTUATOR AND CAUSED TQ SENSOR TO COUPLE AND ILLUMINATE FLAP DR WARN LIGHT. INVEST REVEALED FLAP DR COUPLING MOVED OFF SPLDec 5, 1997 · Dhav DHC8301SDR CA971216015Bolts · corroded(CAN) ALL FOUR FLAP TRACK ROLLER SHAFTS FOUND WITH INTERNAL CORROSION.Dec 3, 1997 · Dhav DHC8311
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