# Service difficulty reports: JASC 3424 A list on [JASC 3424](https://openairdocs.org/jasc/3424.md). Reports filed under 3424 · Turn and Bank/Rate of Turn Indicator, newest first. Page 1 of 4 · 153 reports - [SDR 2026F00174](https://openairdocs.org/sdr/2026F00174.md): Indicator · overheated · Aug 13, 2026 · N12155 · Cessna 208B > AIRCRAFT WAS OPERATING A PART 135 FLIGHT FROM KABI TO KDFW. DURING CRUISE FLIGHT AT APPROX 7,000 FT MSL NEAR THE BOOVE WAYPOINT, THE PILOT DETECTED AN ODOR CONSISTENT WITH SOMETHING BURNING. PILOT CLOSED CABIN VENTS TO DETERMINE WHETHER THE ODOR ORIGINATED WIT - [SDR AALA202504083701](https://openairdocs.org/sdr/AALA202504083701.md): Display · failed · Apr 7, 2025 · N932NN · Boeing 737823 > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS NOT DECLARED DUE TO: (ISFD)-INTEGRATED STANBY FLIGHT DISPLAY ATTITUDE FAILED CLIMBING THROUGH 16000 FEET AND REMAINED FAILED FOR THE REST OF THE FLIGHT, THE ALTITUDE FLAG WAS DISPLAYED THROUGHOUT THE FAILURE. AIRCRAFT AI - [SDR CALA2025011401903](https://openairdocs.org/sdr/CALA2025011401903.md): Indicator · inoperative · Jan 10, 2025 · N37470 · Boeing 737924ER > A/R* DUE TO INTEGRATED STANDBY FLIGHT DISPLAY INDICATOR INOP ISFD SHOWS OUT OF ORDER FLAG REPLACED ISFD REF AMM 34-24-02. DISPLAY BAD FROM STOCK. REINSTALLED OLD DISPLAY BUT (NOT SECURED IN PLACE).. ISFD C/B D-8 ON P18-2 PULLED AND COLLARD WITH LOTTO # 905. - [SDR 2024FA0000248](https://openairdocs.org/sdr/2024FA0000248.md): Indicator · inoperative · Mar 21, 2024 · N3080E · Cessna 172N > OFF FLAG INOPERATIVE, FLAG DOES NOT PULL. - [SDR AALA201908279051](https://openairdocs.org/sdr/AALA201908279051.md): Display · failed · Aug 26, 2019 · N805AN · Boeing 7878 > AIRCRAFT WAS GROUNDED: FLIGHT DIVERTED TO LHR ON ACCOUNT OF INTEGRATED FLIGHT STANDBY DISPLAY INOPERATIVE. EMERGENCY WAS DECLARED DUE OVERWEIGHT LANDING. MAINTENANCE PERFORMED INSPECTION AND REMOVED AND REPLACED THE ISFD INDICATOR IAW DMC-B787-A-34-24-01 00A-7 - [SDR YV3R2019012200099](https://openairdocs.org/sdr/YV3R2019012200099.md): Indicator · inoperative · May 29, 2019 · N123MV · Robsin R44RAVENII > CUSTOMER REPORTED TURN COORDINATOR P/N: B329-1 INOPERATIVE. - [SDR ASMF20180625012](https://openairdocs.org/sdr/ASMF20180625012.md): Indicator · failed · May 23, 2018 · N904AM · Boeing 737752 > CAPTAIN REPORTED, BEFORE TAXI, THE STANDBY ATTITUDE INDICATOR WENT OUT OF SERVICE, MAINTENANCE PERFORMED AN INSPECTION CONFIRMING FAILURE. THE STAND BY ATTITUDE INDICATOR WAS REPLACED IAW AMM 34-24-01, TESTED CORRECT. - [SDR FQAR20171011091](https://openairdocs.org/sdr/FQAR20171011091.md): Indicator · failed · Oct 11, 2017 · N921PA · Piper PA28181 > AN OVERHAULED TURN COORDINATOR HAD BEEN INSTALLED ON THE AIRCRAFT. THE NEXT DAY, THE NEWLY INSTALLED TURN COORDINATOR WAS REPORTED FOR NOT PULLING INOP FLAG. WHEN THE TURN COORDINATOR WAS REMOVED, AN OBJECT COULD BE HEARD RATTLING AROUND IN THE INSTRUMENT CASE - [SDR HNAA2015101402960](https://openairdocs.org/sdr/HNAA2015101402960.md): Switch · contaminated · Oct 14, 2015 · N930HA · Dhav DHC8102 > SMOKE EMANATED FROM THE SAHS SWITCH. FOUND GYRO NR 1 SWITCH ON GYRO PANEL SCORCHED 3420-SW1. CLEANED DEBRIS FROM OTHER SWITCHES ON PANEL. - [SDR HALA2015090600188](https://openairdocs.org/sdr/HALA2015090600188.md): Indicator · malfunctioned · Sep 6, 2015 · N381HA · Airbus A330243 > ISIS STARTED DRIFTING AFTER TAKEOFF VERY SLOW TO LEVEL AFTER A ROLL & PITCH CONTINOUSLY DRIFTED FROM 0 DEGS TO PLUS 20 DEGS. AIR TURNBACK, REPLACED ISIS GROUND. OPS CHECK OK AMM 34-22-25. - [SDR HALA2015081000158](https://openairdocs.org/sdr/HALA2015081000158.md): Warning Message · illuminated · Aug 10, 2015 · N583HA · Boeing 76733A > DURING CRUISE FLT "COMP" WARNING APPEARED BOTTOM OF CAPTS ADI AND "ATT" WARNING APPEARED IN F/O ADI WITH NO HORIZON VISIBLE. T/S IAW FIM 34 FAULT CODE DIAGRAM 34-25-01, 34-22 TREE 808. ALL TESTS NORMAL, BITE EFIS CONTROL CHECKED GOOD. NO FAULTS NOTED. OK TO - [SDR PNSA2015061202](https://openairdocs.org/sdr/PNSA2015061202.md): Display · failed · Jun 12, 2015 · N369PX · Saab 340B > EADI BLANKS, R & R NR 2 DPU. - [SDR UALA2013041802658](https://openairdocs.org/sdr/UALA2013041802658.md): Indicator · failed · Apr 17, 2013 · N643UA · Boeing 767322 > STANDBY ATTITUDE INDICATOR FAILED, RETURNED TO FIELD. CIRCUIT BREAKER DID NOT TRIP AND GYRO TUMBLED. REPLACED STANDBY ATTITUDE INDICATOR. - [SDR CA130118001](https://openairdocs.org/sdr/CA130118001.md): Indicator · out of tolerance · Jan 17, 2013 · Cessna 172S > (CAN) UPON PILOT GETTING TO ACFT TO PERFORM A PREFLIGHT WALK AROUND CHECKS, IT WAS NOTICED THAT THE TURN COORDINATOR WAS NOT CENTERED HORIZONTALLY, ACT WAS MOVED TO LEVEL GROUND TO MAKE SURE THAT IT WAS NOT THE GROUND SURFACE ANGLE. AFTER CHECKS IT WAS FOUND - [SDR IPXA13B76673](https://openairdocs.org/sdr/IPXA13B76673.md): Display · inoperative · Jan 12, 2013 · N570UP · Boeing 74744AF > ISFD CIRCUIT BREAKER TRIPPED ON GROUND AFTER POWER TRANSFER. RESET SUCCESSFULLY. CIRCUIT BREAKER TRIPPED AGAIN SHORTLY AFTER TAKEOFF AND WAS NOT RESET. ISFD FAILED 170 MINUTES LATER. R & R IAW MM 34-24-03-401. OPS CHECKED GOOD. - [SDR CA120604006](https://openairdocs.org/sdr/CA120604006.md): Indicator · inoperative · May 22, 2012 · Cessna U206G > (CAN) ON A FLIGHT, THE PILOT DISCOVED THE TURN & BANK BECAME UNSERVICEABLE, THE ACFT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE DISCOVERED THE CONNECTOR PLUG ON THE TURN & BANK INDICATOR HAD COME LOOSE, THE CONNECTOR PLUG WAS REINSTALLED AND FUNCTION SERVI - [SDR CA120326010](https://openairdocs.org/sdr/CA120326010.md): Indicator · failed · Mar 23, 2012 · Beech B200 > (CAN) ON A ROUTINE FLIGHT, ELECTRICAL SMOKE FUMES WHERE NOTICED IN THE CABIN, PILOT INSPECTION REVEALED THE TURN CO-ORDINATOR WAS FLAGGED UNSERVICEABLE. THE CREW PULLED THE CIRCUIT BREAKER FOR THE TURN CO-ORDINATOR AND CONTINUED ON THE FLIGHT AS PLANNED, THE - [SDR CA120105010](https://openairdocs.org/sdr/CA120105010.md): Indicator · inoperative · Jan 5, 2012 · Cessna 172N > (CAN) WARNING FLAG NOT IN VIEW - GYRO NOT SPINNING. NO INDICATION OF TURN. - [SDR IPXA11668279](https://openairdocs.org/sdr/IPXA11668279.md): Indicator · inoperative · Jul 27, 2011 · N307UP · Boeing 76734AF > EHSI WENT BLANK SOON AFTER TAKEOFF. REPLACED CAPTAIN'S EHSI AND OPS TEST COND. NORMAL IAW AMM 34-22-04-4. - [SDR HALA2011070700314](https://openairdocs.org/sdr/HALA2011070700314.md): Indication Sys · malfunctioned · Jul 7, 2011 · N589HA · Boeing 7673G5 > ETOPS SIGNIFICANT SYS - F/O ADI AND HSI ARE BLANK WITH SG FAIL MESSAGES DISPLAYED ON BOTH INDICATORS SELECTING ALT EFI CORRECTS FAULTS. COULD NOT DUPLICATE. TROUBLESHOT IAW FIM 34-22 00101, FIG 104 SYS TESTS NORMAL NO 15 DAY HISTORY. PERF MCDP TEST 30 NO FAUL - [SDR IPXA11566267](https://openairdocs.org/sdr/IPXA11566267.md): Static Inverter · inoperative · Apr 28, 2011 · N446UP · Boeing 75724APF > STANDBY ATTITUDE, GYRO FLAG INTERMITTENTLY IN VIEW. FLIGHT DIVERTED, ENROUTE. R & R STATIC INVERTER IAW 34-24-02-4. R & R STANDBY ATTITUDE IND IAW 34-24-01-4. OPS CKS GOOD. - [SDR CA101230004](https://openairdocs.org/sdr/CA101230004.md): Indicator · failed · Oct 5, 2010 · Cessna U206F > ON A FLIGHT, IT WAS NOTICED THAT THE TURN COORDINATOR HAD FAILED. THE INSTRUMENT WAS REPLACED AND NO FURTHER INCIDENT PREVAILED. - [SDR HSYA2010042810](https://openairdocs.org/sdr/HSYA2010042810.md): Hsi · inoperative · Apr 28, 2010 · N936FE · Cessna 208B > AFTER TAKEOFF, THE CREW ADVISED BOTH THE CAPTAINS HSI AND RMI INDICATORS ROTATED NORMALLY AND THEN FROZE ON A 185 DEGREE HEADING (AT 700 FEET AGL). AN EMERGENCY WAS DECLARED AND THE ACFT LANDED BACK AT DEPARTURE WITHOUT FURTHER INCIDENT. MX WOULD TROUBLESHOOT - [SDR UALA2010032601028](https://openairdocs.org/sdr/UALA2010032601028.md): Gyro · tumbles · Mar 26, 2010 · N655UA · Boeing 767322 > STANDBY GYRO HAS TUMBLED, RTFL. REPLACED STANDBY ATTITUDE IND, GROUND CHECK NORMAL. - [SDR HALA2009111700529](https://openairdocs.org/sdr/HALA2009111700529.md): Warning Light · illuminated · Nov 17, 2009 · N591HA · Boeing 76733A > ETOPS SIGNIFICANT SYS - DURING ILS APPROACH AMBER BAR APPEARED THROUGH LOC FMA SEVERAL TIMES DURING APPROACH, AFTER LANDING W/ILS FREQUENCY DENOTED LOC AND FOUND FMA DOES NOT EXTINGUISH. PERFORMED MCDP TEST 4 BIT BOTH MMR ALL TEST GOOD. F/D AND FMA ANNUNCIAT - [SDR HALA2009101300463](https://openairdocs.org/sdr/HALA2009101300463.md): Display · malfunctioned · Oct 13, 2009 · N593HA · Boeing 76733A > ETOPS SIGNIFICANT SYS - IFSD DISPLAY BLANKS THEN REINITIALIZES TO NORMAL OPERATIONS IN CRUISE. REPLACED ISFD IAW AMM34-24-03-004-001. SECURITY AND GROUND OPS CK GOOD OK FOR SVC. - [SDR 2007UALA03765](https://openairdocs.org/sdr/2007UALA03765.md): Indicator · inoperative · Sep 18, 2007 · N381UA · Boeing 737322 > FLIGHT DIVERTED DUE TO AN INOP STANDBY ATTITUDE INDICATOR AND ORD WEATHER RESTRICTIONS. FOUND INOPERATIVE STANDBY ATTITUDE INDICATOR. REPLACED STANDBY ATTITUDE INDICATOR. REPLACED STANDBY ATTITUDE INDICATOR. TEARDOWN OF STANDBY ATTITUDE INDICATOR FOUND BAD - [SDR 07FDEA02246](https://openairdocs.org/sdr/07FDEA02246.md): Indicator · failed · Jun 21, 2007 · N491FE · Boeing 727227 > DURING CLIMB-OUT STBY ATT IND 5 MORE NOSE UP THAN CAT/FO ADI'S SHORTLY THERE AFTER STBY ATT IND RAPID PRECESSION TO -25 WITH INAPPRECIATE BANK INDICATIONS. FOR TROUBLESHOOTING RECAGED TWICE RESET BREAKER. PROBLEM REOCCURRED. REPLACED STANDBY ARTIFICIAL HORI - [SDR KBM2006F00213](https://openairdocs.org/sdr/KBM2006F00213.md): Indicator · inoperative · Jun 26, 2006 · N1188P · Snias AS350BA > TURN AND SLIP, NEEDLE INOPERATIVE, REMOVED AND REPLACED. (K) - [SDR NOCA04706](https://openairdocs.org/sdr/NOCA04706.md): Indicator · defective · Apr 28, 2006 · N768NA · Boeing 767300 > STANDBY ATT INDICATOR SHOWS 3 DEGRESS TO THE RIGHT IN LEVEL FLIGHT. - [SDR KBM2006F00131](https://openairdocs.org/sdr/KBM2006F00131.md): Switch · sticking · Aug 15, 2005 · N350SH · Snias AS350BA > TURN AND BANK POWER SWITCH, STICKING. (K) - [SDR KBM2005F00173](https://openairdocs.org/sdr/KBM2005F00173.md): Indicator · noisy · Jul 26, 2005 · N230SH · Snias AS350BA > TURN AND BANK, UNIT MAKING LOUD NOISE, REMOVED AND REPLACED. (K) - [SDR KBM2005F00142](https://openairdocs.org/sdr/KBM2005F00142.md): Indicator · stuck · Jul 11, 2005 · N751H · Snias AS350B2 > TURN AND BANK, UNIT SLIP NEEDLE STUCK WILL NOT MOVE AT ALL. AIRCRAFT MEL UNTIL 7/20/05. (K) - [SDR 2005FA0000687](https://openairdocs.org/sdr/2005FA0000687.md): Indication Sys · inoperative · Jan 4, 2005 · N962AC · Cessna 206H > UNIT WAS INSTALLED IN AIRCRAFT ON 12/20/2004. AFTER APPROX.5 HOURS, PILOT OBSERVED TURN COORDINATOR OFF FLAG, MOMENTS LATER AUTOPILOT DISENGAGED. THIS UNIT REPLACED AN EARLIER INSTALLED OVERHAULED UNIT INSTALLED 7/04. (K) - [SDR AALA20041111](https://openairdocs.org/sdr/AALA20041111.md): Display · inoperative · Nov 8, 2004 · N7522A · Doug DC982 > EWR-MIA, LIGHT SMOKE WITH ELECTRIC BURNING SMELL AT CRUISE. EMERGENCY FIRE SMOKE CHECK LIST COMPLETED. SMOKE ABATED UNTIL LANDING. SMOKE REAPPEARED IN COCKPIT AREA. FOUND NUMBER ONE NAVIGATION DISPLAY BURNED. REPLACED NUMBER ONE NAVIGATION DISPLAY MODE SE - [SDR KBM2004F00238](https://openairdocs.org/sdr/KBM2004F00238.md): Indicator · inoperative · Oct 8, 2004 · N230SH · Snias AS350BA > TURN AND BANK INOPERATIVE, REMOVED AND REPLACED. - [SDR KBM2004F00116](https://openairdocs.org/sdr/KBM2004F00116.md): Indicator · inoperative · Jul 12, 2004 · N115SH · Snias AS350B2 > TURN AND BANK, WILL NOT POWER ON. MEL AC (DMI NR 19 DUE 7-20-04). - [SDR KBM2004F00120](https://openairdocs.org/sdr/KBM2004F00120.md): Indicator · inoperative · Jun 20, 2004 · N115SH · Snias AS350B2 > TURN COORDINATOR, INOPERATIVE. REMOVED AND REPLACED. - [SDR MYW2004F00007](https://openairdocs.org/sdr/MYW2004F00007.md): Display · shorted · Jun 7, 2004 · N739MA · Boeing 7378Q8 > DURING CRUISE, (ISFD) INTEGRATED STANDBY FLIGHT DISPLAY, DISPLAYED OUT OF ORDER MSG ONLY. AIRCRAFT DIVERTED. TROUBLESHOT SYSTEM. REMOVED AND REPLACED ISFD IAW 34-24-02. PERFORMED INSTALLATION TEST, TESTED NORMAL. RETURNED AIRCRAFT TO SERVICE. - [SDR BAQA093734](https://openairdocs.org/sdr/BAQA093734.md): Indicator · ratcheting · Mar 9, 2004 · N135LC · Urocop EC135T1 > INDICATOR IS RATCHETY AND STICKY. REPLACED WITH SERVICABLE UNIT. 03/11/2004 - [SDR KBM2004F00038](https://openairdocs.org/sdr/KBM2004F00038.md): Indicator · inoperative · Feb 19, 2004 · N230SH · Snias AS350BA > TURN AND BANK INDICATOR, INOPERATIVE. REMOVED AND REPLACED. - [SDR KBM2004F00081](https://openairdocs.org/sdr/KBM2004F00081.md): Indicator · sticks · Jan 21, 2004 · N667JM · Bell 206B > TURN AND SLIP INDICATOR NEEDLE STICKS. REMOVED AND REPLACED WITH SERVICEABLE UNIT. - [SDR 2004FA0000132](https://openairdocs.org/sdr/2004FA0000132.md): Indicator · failed · Jan 16, 2004 · N8227V · Piper PA28RT201 > TURN COORDINATOR UNIT FAILED DURING IFR CONDITIONS. PROBLEM SEEMS TO BE INTERMITTENT BECAUSE AFTER LANDING, UNIT WORKED AND CONTINUED FOR DURATION OF FLIGHT (VFR) FROM FCH TO FYI (FAT). (WP17200402720) - [SDR BAQA091999](https://openairdocs.org/sdr/BAQA091999.md): Indicator · malfunctioned · Jan 12, 2004 · N911NH · Urocop EC135T1 > TURN AND SLIP INDICATOR BACKLIGHTING INOPERATIVE. REPLACED WITH SERVICEABLE UNIT. - [SDR KBM2004F00014](https://openairdocs.org/sdr/KBM2004F00014.md): Indicator · malfunctioned · Dec 23, 2003 · N1188P · Snias AS350BA > TURN AND SLIP INDICATOR MAKING NOISE AND EXCESSIVELY HOT, REMOVED AND REPLACED. - [SDR KBM2003F00101](https://openairdocs.org/sdr/KBM2003F00101.md): Indicator · inoperative · Nov 17, 2003 · N53SH · Snias AS350B1 > TURN INDICATOR IS INOPERATIVE. INSTALLED SERVICEABLE TURN CORDINATOR. - [SDR KBM2003F00086](https://openairdocs.org/sdr/KBM2003F00086.md): Indicator · noisy · Oct 31, 2003 · N884SH · Snias AS350B2 > TURN COORDINATOR MAKES LOUD SQUEEKING NOISE. MEL NR 10. - [SDR HEEA088510](https://openairdocs.org/sdr/HEEA088510.md): Gyro · malfunctioned · Jul 11, 2003 · N2149S · Bell 412 > RATE TURN NEEDLE DISPLACED 1/2 STEP TO RIGHT. - [SDR 2003FA0000598](https://openairdocs.org/sdr/2003FA0000598.md): Connector · improper · May 15, 2003 · N529PT · Cessna T182T > THE CONNECTOR FROM AIRCRAFT HARNESS THAT MATS TO THE TURN COORDINATOR HAS IMPROPERLY CRIMPED PINS. THIS FAULTY CONNECTION CAUSES AUTOPILOT WING ROCKING AND CAN CAUSE UNDESIRABLE ROLL RATES DURING CLIMBS. - [SDR 3144043003](https://openairdocs.org/sdr/3144043003.md): Indicator · inoperative · Apr 30, 2003 · N5226R · Snias AS350B3 > T/ SLIP IND INOP. Next page: https://openairdocs.org/jasc/3424/reports.md?page=2 ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql 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 = '3424' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/jasc/3424/reports --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.