JASC 2740

Service difficulty reports · 2,126

Reports filed under 2740 · Stabilizer Control System, newest first.

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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 = '2740'
  ORDER BY difficulty_date DESC"

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SDR Y2PA20130316015Trim Panel · malfunctionedCREW REPORTED, ON HAND FLOWN AT 2500' IN IMC, PILOT FLYING ENCOUNTERED AN UNCOMMANDED ROLL TO THE LEFT. PF IMMEDIATELY PULLED "ROLL" CIRCUIT BREAKER TO STOP RUNAWAY TRIM CONDITION. TRIM INDICATED APPROX. .5 TO .666 DEFLECTION TO THE LT OF CENTER. PM DECLAREMar 16, 2013 · N811AA · Amd FALCONDSDR DXTA2013022505297Jackscrew · lack of lubeCLIMBING THROUGH FL300 RECEIVED RED TRIM INDICATOR ON THE PFD ALONG WITH THE YELLOW E TRIM DOWN. DISCONNECTED AUTOPILOT AND ACFT INSTANTLY PITCHED UPWARD. MANUAL TRIM WHEEL WOULD NOT MOVE ANY MORE FORWARD FOR NOSE DOWN TRIM. DID NOT TRY TO MOVE THE WHEEL BAFeb 24, 2013 · N871QS · Raythn HAWKER800XPSDR DXTA2013022505295Actuator · damagedAPPROXIMATELY ONE MINUTE AFTER TAKEOFF THE TRIM WHEEL FROZE. NEITHER THE ELECTRIC TRIM OR MANUAL PRESSURE WOULD MOVE THE WHEEL. PUT MORE FORCE INTO MOVING THE WHEEL MANUALLY THAN NORMAL AND THE WHEEL BROKE LOOSE AND ALL TRIM FUNCTIONS RETURNED TO NORMAL. TRFeb 23, 2013 · N577QS · Cessna 560XLSDR DXTA2013022505292Trim System · frozenAPPROXIMATELY ONE MINUTE AFTER TAKEOFF THE TRIM WHEEL FROZE. NEITHER THE ELECTRIC TRIM OR MANUAL PRESSURE WOULD MOVE THE WHEEL. PUT MORE FORCE INTO MOVING THE WHEEL MANUALLY THAN NORMAL AND THE WHEEL "BROKE LOOSE" AND ALL TRIM FUNCTIONS RETURNED TO NORMAL. Feb 23, 2013 · N577QS · Cessna 560XLSDR UIEA2013022200102Module · inoperativeON CLIMBOUT EICAS MESSAGE STAB TRIM APPEARED AND REMAINED FOR DURATION OF FLT. R & R STAB TRIM POSITION TRANSMITTER/MODULE IAW AMM 21-48-01/401. OPS CHECK, LEAK CHECK GOOD. THIS CLEARS MDDR 37897. PLACARD REMOVED.Feb 22, 2013 · N641GT · Boeing 76738ESDR CVGA20130221001Trim System · uncontrollableAFTER TAKEOFF, AT 1000 FT AGL, PITCH TRIM WAS UNCONTROLLABLE (RUNAWAY TRIM).Feb 20, 2013 · N642AC · Raythn 400ARAYTHEONSDR ZP7A20130214001Master Switch · faultyFAILURE OF PRIMARY PITCH TRIM. AFTER ROTATION, PF NOTICED INCREASED CONTROL PRESSURES REQUIRED TO MAINTAIN FLIGHT ATTITUDE, DESPITE ACTUATING NOSE DOWN TRIM. PF ASKED PNF TO ATTEMPT TO TRIM AC FROM THE RIGHT YOKE. NO EFFECT. MEMORY ITEMS WERE ACCOMPLISHED Feb 14, 2013 · N38PS · Lear 35ASDR ANCF2013010800142Transducer · malfunctionedECAM MSG FLT CTL SENSOR FAULT APPEARED DURING TAKEOFF, T/O WAS REJECTED. THIS ITEM TRANSFERRED TO DMI 663 MEL 27-92-06 CAT C IN ACCORDANCE WITH AMM TASK 27-42-41-400 -810-A AND AMM SUBTASK 27-92-41-710-054 -A IN THE FIRST OFFICER SIDE-STICK TRANSDUCER-UNIT (Jan 8, 2013 · N967CG · Airbus A330243SDR ASOA2012121702661Switch · failedRECEIVED STAB & MACH TRIM CAUTION MESSAGES IN FLIGHT, COMPLIED WITH QRH WOULD NOT RENGAGE AUTOPILOT WAS UNABLE TO COMPENSATE, RECEIVED AP TRIM ND & NO CAUTION MESSAGES, LANDED FLAPS 20, UNDER MAX LANDING WEIGHT. EMERGENCY DECLARED. REPLACED CO-PILOTS PITCH DDec 11, 2012 · N932EV · Cndair CL6002B19SDR L7OA201212070001Pitch Control · malfunctionedPITCH TRIM FAILED ON TAKEOFF. REVERTED TO EMERGENCY TRIM THEN BACK TO NORMAL. AUTO PILOT PITCH TRIM OK. PERFORMED A FULL FUNCTIONAL CHECK OF THE PITCH TRIM SYSTEM IAW AMM 27-40-00-201. COULD NOT DUPLICATE PROBLEM.Dec 7, 2012 · N999YB · Beech 400ASDR UALA2012120407039Trim Switch · faultyCREW REPORTS BURNING ELECTRIC ODOR FROM CAPT CONTROL WHEEL NEAR AILERON TRIM STICKER. DOES NOT FEEL WARM TO THE TOUCH. NO SMOKE OR HEAT EVER OBSERVED. REPORTED FROM PREVIOUS SHIFT SMELL SEEMED TO BE COMING FROM CAPT STAB TRIM SWITCH. OHM CHECKED FROM CONNEDec 4, 2012 · N656UA · Boeing 767322SDR SWIA201232162Circuit Breaker · faultyELECTRICAL BURNING SMELL IN COCKPIT. (FLT 4568) REPLACED CIRCUIT BREAKER AND NR 2 PITCH FEEL LINEAR ACTUATOR. P/N ON DL2428M4 S/N ON 2778 P/N OFF DL2428M4 S/N OFF AE0816Nov 14, 2012 · N409SW · Cndair CL6002B19SDR YENA20121114645Electronic Unit · failedFLT 952 MCO-BOS, CREW DECLARED EMERGENCY DUE TO PITCH TRIM FAIL. REMOVED AND REPLACED HSACE ELECTRONIC UNIT PER AMM 27-43-01. OPS CHECK PER 27-40-00-710-801A. INSPECTED WIRING HARNESS PER AWM 27-43-51, CHECK NORMAL.Nov 14, 2012 · N283JB · Emb ERJ190100IGWSDR USAA2012111400023Unknown · malfunctionedCLT FLT 1042 EN-ROUTE BWI TO CLT. STAB TRIM EICAS MESSAGE ON CLIMB. EICAS MESSAGE WENT AWAY AFTER 45 SEC. 60 SEC LATER, WITH A/P ENGAGED AT FL280, A/C PITCHED DOWN. CREW FELT BUMP. 300-400 FPM DESCENT STARTED THEN STOPPED. ON APPROACH, AC PITCHED DOWN WITNov 10, 2012 · N936UW · Boeing 7572B7SDR UALA2012110706411Nut · looseENTIRE TRIM WHEEL IS LOOSE AND RATTLES ON TAKEOFF AND LANDING. TIGHTEN LOOSE 2 EACH NUTS ON TRIM WHEEL.Nov 6, 2012 · N485UA · Airbus A320232SDR REXA2012110501556Trim Switch · faultyFLIGHT 4160 DTW-CLT A/C 8718 ON APPROACH INTO CLT THE CAPTAIN EXPERIENCED HIS YOKE PITCH TRIM BEING STUCK IN PITCH DOWN POSITION. HE WAS UNABLE TO CORRECT. F/O WAS ABLE TO OVERRIDE AND UTILIZE TRIM WHICH CORRECTED IT ACCORDINGLY AND RETURNED IT TO NORMAL. FNov 5, 2012 · N8718E · Cndair CL6002B19SDR A6WA20124J513Control Unit · malfunctionedSTAB AND MACH TRIM CAUTION MSG AFTER FLAPS SELECTED TO 20 DEGREES. COMPLIED WITH QRH. ENGAGED STAB AND MACH TRIM APPROX 60 SEC TO 120 SECONDS LATER, NOTED UNCOMMANDED NOSE DOWN TRIM AND MAC TRIM DISPLAY. COMPLIED WITH STAB TRIM RUN AWAY IAC & QRH. NOTED TNov 2, 2012 · N461AW · Cndair CL6002B19SDR CVGA20121015001Control Unit · failedSTAB CHANNEL 1 & 2 INTERMITTENTLY GO INOP IN-FLIGHT AND ON THE GROUND TRIGGERS MACH TRIM INOP. STAB CHANNELS TAKE UP TO TEN MINUTES TO RE-ENGAGE.Oct 15, 2012 · N72WY · Cndair CL6002B16SDR RAIA201209280001Unknown · malfunctionedAIRCRAFT DIFFICULT TO ROTATE ON TAKEOFF, HEAVY, ALMOST FULL CONTROL YOKE BACK PRESSURE TO LIFT OFF GROUND. MAINTENANCE PERFORMED CABLE TENSION CHECK OF ELEVATOR CABLES, NO DEFECTS NOTED. PEFORMED GVI OF LEFT AND RIGHT ELEVATOR SPRING TABS, NO DEFECTS NOTED ASep 28, 2012 · N847HK · Emb EMB145LRSDR SIMA20120926002Trim Switch · dirtyON FLIGHT 3023 THE CREW REPORTED THE CAPTAIN’S PITCH TRIM SWITCH STUCK IN TRIM DOWN POSITION. SIX SECONDS LATER THE CREW RECEIVED A MASTER WARNING "PTRIM CPT SW FAIL". THE AIRCRAFT WAS REMOVED FROM SERVICE. CLEANED & LUBED CAPTAIN’S PITCH TRIM SWITCH IAW EMSep 26, 2012 · N816AE · Emb EMB135KLSDR Y2PA20120920043Unknown · unknownIN-FLIGHT, ALL ELECTRIC TRIM FOR STABILIZER INOPERATIVE. PILOT & CO-PILOT YOKE TRIM, PRIMARY TRIM AND ALTERNATE TRIM. CREW REPORTED IN-FLIGHT ALL ELECTRIC TRIM FOR HORIZONTAL STAB INOPERATIVE. ON CLIMB CAPTAIN'S ELECTRIC YOKE TRIM SWITCH DID NOT WORK FOR STASep 20, 2012 · N327US · Doug DC933FSDR 2012FA0000660Actuator · failedDURING PREFLIGHT, PRIMARY AND SECONDARY TRIM TESTS WERE DONE AND BOTH TESTS SUCCESSFUL. FLIGHT NORMAL UNTIL TOP OF DESCENT. DURING DESCENT PASSING FLIGHT LEVEL 370, PRIMARY TRIM FAILED LIGHT CAME ON WITH AUTOPILOT ENGAGE. WHEN AUTOPILOT DISCONNECTED, ACFT Sep 17, 2012 · N650FP · Cessna 650SDR VNAA2012090500003Trim System · disconnectedDURING INITIAL CLIMB, CREW REPORTED STAB TRIM DISCONNECTED TWICE AND WAS RESET. AUTOPILOT SELF-CANCELLED AFTER 30 SECONDS OPERATION AND WOULD NOT STAY ON. WHILE ON, YOKE MOVED FRONT AND BACK IN VIBRATING PATTERN IN SMOOTH AIR. LOW FREQUENCY VIBRATION OF TAISep 5, 2012 · N202PS · Cndair CL6002B19SDR 6CBA20120830120Relay · faultyPILOT REPORTS UNCOMMANDED INCREASE OF DECENT RATE. RUNAWAY TRIM SUSPECTED. THE PITCH TRIM RELAYS K021 AND K022, PN 974.20.01.212 WERE R & R IAW THE WDM 27-40-00. THE STAB TRIM OPS CHECK, STAB TRIM RUNAWAY AURAL WARNING FUNCTIONAL CHECK AND AUTO PILOT SYSTEAug 30, 2012 · N879AF · Pilats PC1247SDR SIMA20120815003Control Unit · inoperativeDURING FLIGHT 3535, DURING CLIMB-OUT PITCH TRIM MAIN INOPERATIVE WARNING MESSAGE BACK UP TRIM WORKED. AIRCRAFT REMOVED FROM SERVICE. REMOVED AND REPLACED HSCU IAW AMM 27-40-00 ALL TESTS OK PITCH TRIM ALL TESTS OK. AIRCRAFT RETURN TO SERVICE.Aug 16, 2012 · N632AE · Emb EMB145LRSDR 6CBA20120813119Trim System · malfunctionedDURING A TRAINING FLIGHT, THE CREW REPORTED A PITCH TRIM RUNAWAY WITH AUDIBLE WARBLE. STABILIZER TRIM AND AUTO PILOT SYSTEMS WERE OPERATED AND TESTED IAW THE AMM 12-A-27-40-00-00A-903A-A, 12-A-22-10-00-00A-903A-A. PROBLEM COULD NOT BE DUPLICATED. RELAYS K0Aug 13, 2012 · N721AF · Pilats PC1247SDR UALA2012080704258Module · faultedSTABILIZER TRIM EICAS ILLUMINATED ON SHORT FINAL WENT OUT ON TAXI IN WITH CENTER STABILIZER SWITCH IN CUTOUT. MOVING THE STABILIZER USING THE RIGHT HYDRAULIC SYSTEM STABILIZER TRIM LIGHT ILLUMINATES. PERFORMED FIM 27-09-00 FIG 103. NO MSG PER SHEET 8 BLOCK Aug 5, 2012 · N547UA · Boeing 757222SDR UALA2012080704243Module · faultyCREW REPORTS STAB TRIM EICAS MSG. REPLACED RT STAB TRIM POSITION MODULE PER MM, OP CHECKED OK. PERFORMED MCDP GND TEST 65 STAB TRIM OP CHECKED OK. PERFORMED MCDP GND TEST 30 PER MM 22-00-03 FIG 117, OP CHECKED OKAY.Aug 4, 2012 · N550UA · Boeing 757222SDR SWAA2012080906614Cable · brokenAIR TURNBACK -- STABILIZER OUT OF TRIM ON CLIMBOUT. FOUND STABILIZER JACK SCREW CABLE BROKEN. REMOVED AND REPLACED STABILIZER CABLE AS PER MT.Aug 4, 2012 · N270WN · Boeing 737705SDR SIMA20120801009Control Box · inoperativeFLIGHT 4298, CREW REPORTED THAT DURING CRUISE AT FLIGHT LEVEL 24000, RECEIVED A PITCH TRIM INOPERATIVE MESSAGE ON EICAS. COMPLIED WITH AOM VOL 1 CHECKLIST AND DECLARED AN EMERGENCY. DIVERTED AND LANDED WITHOUT INCIDENT. COMPLETED THE POST FLIGHT AND FOUND Aug 1, 2012 · N812AE · Emb EMB135KLSDR R61A201207170378Module · faultyON APPROACH INTO DCA FLIGHT RECEIVED A PITCH TRIM FAIL MESSAGE AND BROKE OFF APPROACH. RAN MANUAL AND IT DID NOT CORRECT ITSELF. FLIGHT DECLARED AND EMERGENCY AND LANDED IN DCA WITH NO ISSUES. PAX DID NOT BRACE. MX REMOVED AND REPLACED MODULE ASSY.Jul 17, 2012 · N827MD · Emb ERJ170100SUSDR SIMA20120715001Warning Message · illuminatedFLIGHT 3928, THE CREW REPORTED THAT PRIOR TO LEVELING OFF AT 10,000 FT AFTER DEPARTURE, RECEIVED A PITCH TRIM MAIN INOPERATIVE WARNING MESSAGE ON EICAS. AIRCRAFT DIFFICULT TO CONTROL. CAPTAIN REQUESTED PTRIM MAIN INOPERATIVE CHECKLIST IN AOM VOL 1. AOM PROJul 15, 2012 · N652RS · Emb EMB145LRSDR REXA2012071201068Trim System · malfunctionedSTAB TRIM & MACH TRIM DISCONNECTS ON APPROACH, ONLY WHEN FLAPS LOWERED AND CAPTAIN TRIM CONTROL SWITCH USED. COULD NOT DUPLICATE ON GROUND. PERFORMED CONTINUITY, RESISTANCE CHECKS IAW ESPM 20-12-0 AND WM 27-41-00. NO DEFECTS NOTED. REMOVED AND REPLACED MCJul 12, 2012 · N8631E · Cndair CL6002B19SDR REXA2012071101062Switch · failedSTAB TRIM MACH TRIM DISENGAGES WHEN TRIM IS USED OR WHEN YOKE IS JOSTLED. REMOVED AND REPLACED CAPTAIN'S STAB TRIM DISENGAGE SWITCH. OPS CHECKED GOOD IAW AMM 27-41-30.Jul 11, 2012 · N8631E · Cndair CL6002B19SDR CA120709004Bevel Gear · failed(CAN) DURING BRAKING AFTER TOUCH DOWN THE FOOT PEDALS OF CM2 MOVED TO FULL FORWARD INADVERTENTLY. REMOVED RUDDER PEDAL. ADJUST MECHANISM ACC AMM 27-21-02-000-801 REV 38 FOR INVESTIGATION. FOUND BEVEL GEAR ON CM2 UNSERVICEABLE. BEVEL GEAR CM2 REPLACED PN R3000Jul 8, 2012 · Bombdr DHC8400SDR REXA2012070801049Control Unit · failedSTABILIZER STATUS MESSAGE POSTED AFTER TAKEOFF. ENGAGED AND SHORTLY AFTER STAB TRIM/MACH TRIM CAUTION MESSAGED POSTED. RESET PER QRH, 60 SECONDS LATER STAB/MACH TRIM POSTED AGAIN. ONLY STAB 2 WAS ABLE TO BE ENGAGED. REMOVED AND REPLACED HSTCU IAW AMM 27-41Jul 8, 2012 · N8525B · Cndair CL6002B19SDR USAA2012070600001Actuator · inoperativeFLIGHT 1811, FLIGHT CREW REPORTED CAPTAIN'S PITCH TRIM INOPERATIVE. FLIGHT RETURNED TO DEPARTURE AND LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE HORIZONAL STABILIZER ACTUATOR CONTROL ELECTRONICSJul 5, 2012 · N948UW · Emb ERJ190100IGWSDR A6WA201240597Control Unit · failedDURING GEAR RETRACTION, ON DEPARTURE FROM DCA STAB TRIM CAUTION MESSAGE ON ED1, RESET FAILED AS SOON AS YOKE TRIM SWITCH WAS MOVED, ANOTHER RESET WAS ATTEMPTED AND FAILED WITH TRIM SWITCH MOVEMENT, CONTROL FORCES WERE HARD AND GETTING WORSE. R & R MOTOR CONTRJun 21, 2012 · N450AW · Cndair CL6002B19SDR HALA2012061800161Actuator · damagedDURING EO 27-00-03-11, HORIZ STAB INSP FOUND UPPER JACKSCREW MECHANICAL STOP ASSY MISSING. R & R SCREW & NUT ASSY, GEARBOX ASSY AND STAB ACT ASSY IAW AMM'S 27-41-04, 27-41-07, 6-20-12. FUNCTION CHECKED OK IAW AMM 27-40-00.Jun 18, 2012 · N493HA · Boeing 717200SDR SIMA20120618002Control Unit · malfunctionedON FLIGHT 2866 THE CREW REPORTED THAT ON THE TAKEOFF ROLL AT ABOUT 80 KTS RECEIVED A MASTER WARNING TRIPLE CHIME "TRIM" MESSAGE. AT THAT TIME A ROLL TRIM BOX ON EICAS APPEARED. WHEN THE NUMBERS ON TRIM BLOCK RE-APPEARED THE TRIM WENT FROM 8 TO 6. TRIM SWITCJun 18, 2012 · N839AE · Emb EMB135KLSDR 6CBA20120611117Relay · faultyTHE FLIGHT CREW REPORTED A STABILIZER MAIN PITCH TRIM RUNAWAY. THE AIRCRAFT DIVERTED SAFELY TO PSM. THE PITCH TRIM RELAYS K021 AND K022 P/N 974.20.01.212 WERE REMOVED AND REPLACED, AND THE STABILIZER TRIM SYSTEM TESTED GOOD IAW THE PILATUS AMM 12-A-27-40-00-Jun 11, 2012 · N874AF · Pilats PC1247SDR SIMA20120610005Control Unit · inoperativeON FLIGHT 4535, THE CREW REPORTED THE PITCH TRIM MAIN WAS INOPERATIVE AFTER TAKEOFF. THE CREW ELECTED TO RETURN TO DEPARTURE. THE AIRCRAFT LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REMOVED AND REPLACED THE HORIZONTAL STABALIZER CONTROL UNIT IJun 10, 2012 · N711PH · Emb EMB135LRSDR CALA2012053100384Relay · inoperativeELECTRIC TRIM DID NOT WORK INFLIGHT FROM F/O OR CAPTAIN SIDE, AUTOPILOT TRIM DID WORK. RAN QRH AND RETURNED. PERFORMED FIM TASK 27-41-00-810-804 AND AMM TASK 27-41-00-700 -805. STAB TRIM CHECKED GOOD. R & R STAB TRIM CONTROL RELAY (R64) AS PRECAUTION. SYS OPMay 31, 2012 · N77295 · Boeing 737824SDR FDEA201205221934Control Valve · looseHORIZONTAL STABILIZER LOWER PRIMARY TRIM CONTROL VALVE FOUND FLOW CONTROL VALE BORE .75" PRESSURE PASSAGE BORE WITH A METAL ORIFICE PLUG STUCK IN IT. THIS IS AREA OF HFEC INSP AND WAS UNABLE TO COMPLY WITH THIS PROCEDURE DUE TO BLOCKAGE. REPLACED LOWER PRIMAMay 22, 2012 · N315FE · Doug MD1030FSDR CA120523001Cable · broken(CAN) IN CRUISE CREW NOTICED THAT THE LT SIDE OF THE HORIZONTAL STABILIZER MECHANICAL CONTROL LEVERS, LT SIDE OF THE SUITCASE HANDLES. RAPIDLY MOVED TO THE NOSE DOWN POSITION. THE CREW RETURNED TO THE NEAREST SUITABLE AIRPORT. MAINTENANCE FOUND THE LT HORIZMay 19, 2012 · Doug DC1030SDR J7SA20120514001Sealant · deterioratedENROUTE, STAB OVERHEAT RED CAS ILLUMINATED IN FLIGHT AT 16000FT AT 280 KNOTS. RETURNED TO BASE. LANDING AND TAXI WERE UNEVENTFUL. SEALED RT GVI SENSOR. OPS CHECKED GOOD.May 14, 2012 · N438FX · Lear 45LEARSDR SIMA20120512007Control Unit · inoperativeON FLIGHT 2865 THE CREW REPORTED THAT AFTER DEPARTURE ON CLIMB THEY RECEIVED A MASTER WARNING MESSAGE THAT THE PITCH TRIM MAIN WAS INOPERABLE. THE CREW DECLARED AN EMERGENCY AND RETURNED TO DFW. THE AIRCRAFT LANDED WITHOUT INCIDENT. THE AIRCRAFT WAS REMOVEDMay 12, 2012 · N662EH · Emb EMB145LRSDR SIMA20120509002Trim Switch · defectiveON FLIGHT 3211 AFTER TAKEOFF THE CREW RECEIVED A PITCH TRIM MAIN INOP MASTER WARNING MESSAGE ON EICAS. BOTH PITCH TRIM ON YOKE INOPERABLE. THE CREW DECLARED AN EMERGENCY, RAN APPROPRIATE CHECKLIST AND RETURNED TO DFW. THE AIRCRAFT LANDED WITHOUT INCIDENT. May 9, 2012 · N806AE · Emb EMB135KLSDR UIEA2012050300178Transmitter · out of positionSTAB TRIM UNSCHEDULE MESSAGE. ADJUSTED CENTER STAB POSITION TRANSMITTER AND R & AMP; R LEFT POSITION STAB POSITION TRANSMITTER.May 3, 2012 · N418MC · Boeing 74747UFSDR 6CBA20120430116Relay · faultyCREW REPORTED A TRIM RUNAWAY IN FLIGHT (STAB TRIM DOWN) AFTER DEPARTING TEB. REMOVED AND REPLACED PITCH TRIM CONTROL RELAYS K021 AND K022 (P/N ON/OFF 974.20.01.212) IN ACCORDANCE WITH PILATUS WIRING DIAGRAM 27-40-00. PERFOMED HORIZONTAL STABILIZER OPERATIONApr 30, 2012 · N624AF · Pilats PC1245
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