# Service difficulty reports: JASC 3441

A list on [JASC 3441](https://openairdocs.org/jasc/3441.md).

Reports filed under 3441 · Inertial Guidance System, newest first.

Page 1 of 6 · 289 reports

- [SDR AALA202609023707](https://openairdocs.org/sdr/AALA202609023707.md): Adiru · failed · Sep 1, 2026 · N867NN · Boeing 737823
  > AIRCRAFT WAS GROUNDED: DURING CRUISE AT FL370 WITH AP A ENGAGED, IRS NR 1 FAULT. THIS RESULTED IN THE LOSS OF CA PFD, BOTH AUTOPILOTS, AUTOTHROTTLE FAIL, YD FAIL AND SPEED TRIM SYSTEM FAIL. AFTER STABILIZING THE AIRCRAFT, TRIED TO RE-ENGAGE AP'S BUT WERE UNS
- [SDR 3EJA202510150001](https://openairdocs.org/sdr/3EJA202510150001.md): Ahrs · no discrepancy · Sep 20, 2025 · N809JS · Cessna 560XL
  > AHRS #1 FAILURE. #1 AHRS SYSTEM RESET, CND
- [SDR NACA2025081000002](https://openairdocs.org/sdr/NACA2025081000002.md): Iru · failed · Aug 10, 2025 · N405YK · Boeing 737436
  > NUMBER 1 IRU FAULT ILLUMINATED, IRU FAILED. REMOVED AND REPLACED NR 1 IRU IAW AMM 34-28-31, OPS CHECK GOOD.
- [SDR CALA2025012702058](https://openairdocs.org/sdr/CALA2025012702058.md): Iru · faulted · Jan 23, 2025 · N27903 · Boeing 7878
  > IRU L LEFT IRU FAILED, PRIMARY POWER INPUT FAILED, SECONDARY (MAIN BAT TERY) POWER FAILED, PRIMARY AND SECONDARY AIR DATA INPUT NOT REC EIVED, UNIT COMPLETELY UNPOWERED OR SWITCHED OFF. FIM TASK REF: 31-90-F8-01A-421B-A CMC MSG# 3420011 FLIGHT STATUS: A INTE
- [SDR YENA2024090301205](https://openairdocs.org/sdr/YENA2024090301205.md): Iru · faulted · Aug 29, 2024 · N579JB · Airbus A320232
  > FLT#2066, RSW-BOS. (AIRCRAFT DECLARED AN EMERGENCY INTO BOS) 'IR3 IS IN ATT MODE PER MEL. IN CRUISE, AP1 DISENGAGED SIMULTANEOUS WITH "FCTL ALTN LAW ECAM" AND "NAV GPWS TERR DET FAULT". IRS1 WAS NOW INVAL ON IRS MONITOR PAGE. IN DESCENT, IRS1 RECOVERED AND NOR
- [SDR DALA2023031301832](https://openairdocs.org/sdr/DALA2023031301832.md): Unknown · unknown · Mar 12, 2023 · N654DL · Boeing 757232
  > SHIP 0654 - ATB - DUE TO LOSS OF NAV SYSTEMS ENROUTE. CORRECTIVE ACTION: IRU'S REALIGNED AFTER ARRIVAL WITH NTF. COMPLETED MCC WORKSCOPE AND REPLACED IRU CONTROL PANEL PRECAUTIONARY. RTS.
- [SDR ASAA2022100140130](https://openairdocs.org/sdr/ASAA2022100140130.md): Radar · fault message · Oct 1, 2022 · N976AK · Boeing 7379
  > WXR FAIL AMBER CAUTION ON NAV DISPLAY ON INITIAL RADAR POWER UP. WXR FAIL CAUTION DISAPPEARED WHEN WE TURNED THE RADAR ON LATER IN THE FLIGHT. GROUNDED - YES. PERFORMED OPS CHECK IAW B737-9 AMM 34-41-00-710-801. NO FAULTS FOUND, OPS CHECK GOOD.
- [SDR YENA2022100400985](https://openairdocs.org/sdr/YENA2022100400985.md): None · failed · Sep 24, 2022 · N634JB · Airbus A320232
  > FLT#1957, FLL-BOG. (AIRCRAFT PERFORMED AN AIR TURN BACK TO FLL) ' WEATHER RADAR FAULTY. ON X OFF FAILURES SHOWED & CYCLED BETWEEN WX ANT IN RED X WX RF IN RED. TURNING WX OFF WILL FIX THE ISSUE FOR A FEW MINUTES THEN FAULTY AGAIN; REMOVED AND REPLACED DRIVE WE
- [SDR GTIA2022091936666](https://openairdocs.org/sdr/GTIA2022091936666.md): None · faulty · Sep 16, 2022 · N510NK · Airbus A319132
  > WX RADAR DOES NOT DISPLAY ACTIVE DETECTION MODE ON ND GCS FUNCTION INOP-R & R WEATHER TRANSIEVER IAW AMM 34-41-33 OPS CK GOOD
- [SDR ANCF20220919039](https://openairdocs.org/sdr/ANCF20220919039.md): Antenna · unserviceable · Sep 15, 2022 · N691AV · Airbus A319115
  > PILOT REPORT 16.SEP.2022 WO 16'545'240=> APROXIMATLY 30 MINUTES AFTER TAKE OFF, A VERY LOUD MECHANICAL NOISE WAS HEARD IN THE NOSE OF THE AIRCRAFT, AND RADAR SYS 1 FAILED. WX WAS THEN SWITCHED TO SYS 2 AND THE SAME NOISE WAS HEARD READING TO WX RD SYS 2 FAUL
- [SDR YENA2022082200811](https://openairdocs.org/sdr/YENA2022082200811.md): Radar · failed · Aug 21, 2022 · N929JB · Airbus A321231
  > FLT#178, LAS-BOS. (AIRCRAFT DIVERTED TO LAX) ' DURING ENROUTE CLIMB WXR/T FAULT APPEARED. CYCLED ALL SWITCHES AND RADAR WOULD RETURN FOR A SHORT PERIOD THEN FAIL AGAIN; PFR HITTING RTU AND UNIT WAS COLD. REMOVED AND REPLACED RTU 13SQ1 AS PER AMM 34-41-33. BITE
- [SDR ASAA2022081239497](https://openairdocs.org/sdr/ASAA2022081239497.md): Cdu · inoperative · Aug 12, 2022 · N915AK · Boeing 7379
  > CAPT AUTOTILT FUNCTION INOP ON RADAR. GROUNDED - YES. REPLACED WXR CNTRL PNL AND INSTALLATION TEST IS GOOD. REF B737-9 AMM 34-41-53/401.
- [SDR ASAA2022081139496](https://openairdocs.org/sdr/ASAA2022081139496.md): Knob · loose · Aug 11, 2022 · N915AK · Boeing 7379
  > CAPT RADAR TILT/ GAIN KNOB IS LOOSE. GROUNDED - YES. REPLACED WXR CONTROL PANEL REF B737-9 AMM 34-41-53/401.
- [SDR YENA2022080300743](https://openairdocs.org/sdr/YENA2022080300743.md): Drive Unit · failed · Aug 1, 2022 · N613JB · Airbus A320232
  > FLT#2603, EWR- TPA. (AIRCRAFT PERFORMED AN AIR TURN BACK TO EWR) WEATHER RADAR FAILURE ON CLIMB OUT; REMOVED AND REPLACED WX RADAR TRANSCEIVER IAW AMM 34-41-33. DUE TO BITE TEST FAILURE. REF LOG PAGE 3476359, ITEM 1 (REMOVED AND REPLACED WX RADAR ANTENNA & DRI
- [SDR YENA2022080300742](https://openairdocs.org/sdr/YENA2022080300742.md): Transceiver · failed · Aug 1, 2022 · N613JB · Airbus A320232
  > FLT#2603, EWR- TPA. (AIRCRAFT PERFORMED AN AIR TURN BACK TO EWR) WEATHER RADAR FAILURE ON CLIMB OUT; REMOVED AND REPLACED WX RADAR TRANSCEIVER IAW AMM 34-41-33. DUE TO BITE TEST FAILURE. REF LOG PAGE 3476359, ITEM 1 (REMOVED AND REPLACED WX RADAR ANTENNA & DRI
- [SDR IPXA2022072584562](https://openairdocs.org/sdr/IPXA2022072584562.md): Eicas · fault message · Jul 25, 2022 · N394UP · Boeing 767381
  > INSPECTION TYPE:ETOPWITH RIGHT SYSTEM SELECTED "WXR FAIL" DISPLAYED ON HSI (BOTH SIDES) WXR TEST NOT ATTEMPTED ALSO STATUS MSG "WXR SYS". LEFT SYSTEM OK.WEATHER RADAR SYS TEST C/O IAW AMM 34-43-00-735-033-002 REV 136.02. WXR SYS OK.
- [SDR ASAA2022072439180](https://openairdocs.org/sdr/ASAA2022072439180.md): Radar · inaccurate · Jul 24, 2022 · N942AK · Boeing 7379
  > WX RADAR NOT ACCURATELY DISPLAYING THUNDERSTORM ACTIVITY. INTERMITTENT DISPLAY OF CELLS IN MANUAL AND AUTO. GROUNDED - YES. ACCOMPLISHED B737-9 IFIM TASK 34-41-00. WEATHER RADAR OPERATIONAL TEST PER B737-9 AMM 34-41-00-710-801. OPS CHECKS GOOD. ACFT OK FOR SRV
- [SDR DXTA2022072266440](https://openairdocs.org/sdr/DXTA2022072266440.md): Ahrs · defective · Jul 21, 2022 · N326QS · Emb EMB505
  > *** EMERGENCY DECLARED BY CREW *** CAPTAIN AHRS: DEPARTING MDW WHILE LEVELING AT 3,000 FEET AMBER YD FAIL, AP FAIL AND AHRS FAIL ILLUMINATED. AFTER A FEW SECONDS THE OTHER AHRS FAILED AND THE AMBER MESSAGE BOTH ON ATT STBY ILLUMINATED ON PFD. ALL OTHER CAS MES
- [SDR IPXA2022071884262](https://openairdocs.org/sdr/IPXA2022071884262.md): Radio · fault message · Jul 18, 2022 · N124UP · Airbus A300F4622R
  > INSPECTION TYPE:NA**SDR ATB FILED* NO EMERG DEC'D*A/C LANDED UNEVENTFULLY**AIR TURN BACK DUE TO WX FAIL ALSO PREP W/S DET FAULT NO RADAR RETURNS WX ALL ON.FOUND CMC FAULT (3441CMC0187) FOLLOWED TSM 34 41 00 FIG 113, REMOVED & REPLACED WXR PROCESSOR (1SQI) S/W
- [SDR GTIA2022070736511](https://openairdocs.org/sdr/GTIA2022070736511.md): None · inoperative · Jul 5, 2022 · N523NK · Airbus A319132
  > WX RADAR INOP-R&R WEATHER RADAR TRANSCEIVER IAW AMM 34-41-33, OP`S CHECK GOOD.
- [SDR GTIA2022070436508](https://openairdocs.org/sdr/GTIA2022070436508.md): None · intermittent · Jul 2, 2022 · N614NK · Airbus A320232
  > WX RADAR INTERMITTENT IN FLIGHT-RADAR SYS 1 TROUBLESHOOTING DATA SHOWS CODE 8002. PERFORMED A320 TSM 34-41-00-810-802-A PAR 4 STEP A (1),WAVE GUIDE FOUND NORMAL. REMOVED AND REPLACED XCVR-WEATHER RADAR ( 1SQ1), REF AMM 34-41-33, BITE TEST FOUND NORMAL AT
- [SDR DALA2022062404420](https://openairdocs.org/sdr/DALA2022062404420.md): Adiru · faulted · Jun 23, 2022 · N369NW · Airbus A320212
  > SHIP 3269 - ATB - DUE TO FLIGHT CONTROL AND NAVIGATION FAULTS RELATED TO FAILURE OF ADIRU 3 WITH ADIRU 2 ALREADY ON MEL. CORRECTIVE ACTION: REPLACED ADIRU 2 DC PWR SHED RELAY 17FB AND ADIRU 3. OPS TEST GOOD. (8832091)
- [SDR GTIA2022053136441](https://openairdocs.org/sdr/GTIA2022053136441.md): None · none · May 27, 2022 · N503NK · Airbus A319132
  > DURING CLIMB RADAR WAS PAINTING GROUND REGARDLESS OF TILT IN MANUAL MODE. RADAR THEN COMPLETLY FAILED TWICE, AFTER 2 RESETS-TS IAW TSM 34-41-00-810-802-A. R&R XCVR WEATHER RADAR IAW AMM 34-41-33. BITE TEST NORMAL A/C OK FOR CONTINUE SERVICED
- [SDR YENA2022052000505](https://openairdocs.org/sdr/YENA2022052000505.md): Transceiver · failed · May 18, 2022 · N809JB · Airbus A320232
  > FLT#2851, FLL-UIO. (AIRCRAFT PERFORMED AN AIR TURN BACK TO FLL). 'WX-RT FAULT; REMOVED AND REPLACED WX RADAR-TRANSCEIVER IAW AMM 34-41-00. PERFORMED OPS CHECK AND OPS CHECK GOOD.'
- [SDR ASAA2022051038258](https://openairdocs.org/sdr/ASAA2022051038258.md): Radar · inoperative · May 10, 2022 · N933AK · Boeing 7379
  > "WXR FAIL" ON BOTH ND'S INFLIGHT. NO WX TEST AND RADAR INOP. GROUNDED - YES. WXR RADAR OP TEST PASS, NO FAULTS B737-9 AMM 34-41-00-710-801. DUE HISTORY, REPLACED RADAR R/T PRECAUTIONARY, OP TEST PASS AMM 34-41-41.
- [SDR FDEA202203220643](https://openairdocs.org/sdr/FDEA202203220643.md): None · none · Mar 22, 2022 · N927FD · Boeing 757200
  > RADAR INOP, DISPLAYS SPOKE RETURNS. REASON CODE: PREMATURE REMOVAL/INSTALLATION OFF MPN: 066-50008-0406 POS: ONL SRL: 10790 TAG NBR: 8752F2 ON MPN: 066-50008-0406 CPN: 3414883 SRL: 11890
- [SDR IPXA2022021679082](https://openairdocs.org/sdr/IPXA2022021679082.md): Radar · failed · Feb 16, 2022 · N573UP · Boeing 74744AF
  > INSPECTION TYPE:NA**ATB SDR FILED** **NO EMERGENCY DECLARED** DURING CLIMBOUT LEFT AND RIGHT WXR SYS FAILED. AIR TURN BACKCOMPLETED GROUND TEST REF AMM 34-43-00-745-009-002 TEST PASSED LEFT AND RIGHT. COMPLETED OPERATIONAL TEST AMM 34-43-00-735-092-002 NO FAUL
- [SDR IPXA2021123077413](https://openairdocs.org/sdr/IPXA2021123077413.md): None · none · Dec 30, 2021 · N620UP · Boeing 7478F
  > INSPECTION TYPE:N/A** ATB ** STATUS MESSAGE WXR SYSTEM RIGHT WX RADAR FAILED IN FLIGHT.PERFORMED FIM TASK 34-40-00-810-803 WEATHER RADAR TEST C/O ON RH SYSTEM ALL OPS PASSED. NIL CORRELATED MSG NOTED, A/C OK FOR SVC.
- [SDR DXTA2021122754290](https://openairdocs.org/sdr/DXTA2021122754290.md): None · none · Dec 26, 2021 · N697QS · Cessna 680A
  > MAIN DOOR: MAIN CABIN DOOR BINDS SLIGHTLY AT TOP OF TRAVEL. NEEDS SMALL PUSH TO OPEN FROM INSIDE AIRCRAFT. // SIGNOFF// FOUND MED RUBBING AGAINST THE FORWARD RUB BLOCK. ADJUSTED THE FORWARD THE FORWARD RUB BLOCK IAW CESSNA 680A AMM CH 52-10-00 OPS CHECK IS GO
- [SDR DALA2021120707529](https://openairdocs.org/sdr/DALA2021120707529.md): None · none · Dec 2, 2021 · N347NB · Airbus A319114
  > SHIP 3147 - DIV - TO MIA DUE TO ADR 1 FAULT. UNABLE TO CONTINUE DUE TO APPROACH RESTRICTIONS IN EYW REQUIRES GPWS WHICH WAS UNAVAILABLE WITH ADR 3 SELECTED. CORRECTIVE ACTION: RESET ALL 3 ADIRU PER A319 AMM 34-21. (8126314)
- [SDR GTIA2021112236132](https://openairdocs.org/sdr/GTIA2021112236132.md): None · failed · Nov 20, 2021 · N935NK · Airbus A320271N
  > WXR FAIL-TROUBLESHOOTING DONE IAW TSM 34-41-00-810-802-A. AND WEATHER RADAR PROCESSOR AND TRANSCIEVER REPLACED IAW AMM 34-41-33 AND 34-41-51 RESPECTIVELY OPS TEST OK. ALL FAULTS CLELARED AIRCRAFT OK FOR SERVICE.
- [SDR GTIA2021110836096](https://openairdocs.org/sdr/GTIA2021110836096.md): None · none · Nov 4, 2021 · N931NK · Airbus A320271N
  > REF LOG PAG 285861101 WEATHER RADAR FAILED IN FLIGHT AIR RETURN PER DISPATH AND MXC NEED (13SQ1)-R/R RECEIVER TRANSMITER TR1 FIN (13SQ1) IAW AMM 34-41-51 PERFORMED BITE TEST IAW AMM 34-41-00-740-002-A TEST OK NO FAULTS NOTED AT THIS TIME MOC NOTIFIED A/C OK BA
- [SDR GTIA2021102136059](https://openairdocs.org/sdr/GTIA2021102136059.md): None · inoperative · Oct 18, 2021 · N692NK · Airbus A320232
  > WX RADAR INOP.-R&R TRU (13SQ1) OPS CHECK OK REF AMM 34-41-51
- [SDR AALA202110155107](https://openairdocs.org/sdr/AALA202110155107.md): Adiru · none · Oct 14, 2021 · N304RB · Boeing 7378
  > AIRCRAFT WAS GROUNDED: SEVERAL NAVIGATION FAILURES INCLUDING, MAP, TRACK, TERRAIN FAIL, PROXIMITY WARNING SYSTEM FAIL, TRAFFIC ALERT AND COLLISION AVOIDANCE SYSTEM FAIL. BOTH NAVIGATION DISPLAY DID NOT DISPLAY HEADING DATA AT GATE, MECHANIC FOUND AIR DATA INER
- [SDR W6JA20210224044](https://openairdocs.org/sdr/W6JA20210224044.md): Iru · failed · Feb 21, 2021 · N132JE · Gulstm GIV
  > AIRCRAFT ENROUTE FROM KAPF TO KTEB, CREW WERE ALERTED TO AN AMBER CAS MESSAGE "IRS 1-2 COOL FAIL" CREW DIVERTED TO KRSW AND LANDED WITHOUT FURTHER ISSUE. AIRCRAFT AOG, AND RON. MAINTENANCE TROUBLESHOT THE PROBLEM TO A FAILED IRU. THE FAILED IRU WAS DEFERRED
- [SDR DXTA2020111104329](https://openairdocs.org/sdr/DXTA2020111104329.md): Indicator · defective · Nov 10, 2020 · N319QS · Emb EMB505
  > SHORTLY AFTER TAKEOFF AND AFTER WE HAD RECEIVED AHRS 2 FAULT WE RECEIVED AHRS 1 FAULT. IT WAS INTERMITTENT UNTIL LANDING AND THEN RETURNED TO NORMAL. REMOVED INTERMITTENT NR 1 GMU44 AND INSTALLED CUSTOMER SUPPLIED REPAIRED GMU44, IAW PHENOM 300 AMM 34-21-02.
- [SDR AALA202010049008](https://openairdocs.org/sdr/AALA202010049008.md): Vor System · out of tolerance · Oct 3, 2020 · N908NN · Boeing 737823
  > AIRCRAFT WAS GROUNDED: LH INERTIAL REFERENCE SYSTEM FAULT LIGHT ILLUMINATED DURING TAKEOFF ROLL; REVIEWED QRH BUT UNABLE TO ESTABLISH NAVIGATION, RETURNED TO FIELD. ACCOMPLISHED ADIRS BITE AND GROUND TEST IAW FIM 34-21-00-810-801, FOUND PILOT'S VOR/ILS INFORM
- [SDR AALA2020091099014](https://openairdocs.org/sdr/AALA2020091099014.md): Adiru · failed · Sep 7, 2020 · N940AN · Boeing 737823
  > AIRCRAFT GROUNDED- ON ARRIVAL, BOTH AUTOPILOTS FAILED, FLIGHT DIRECTORS FAILED, AND AUTOTHROTTLES WENT TO GO-AROUND. NO ANNUNCIATORS CAME ON, PRESSURIZATION SWITCHED TO ALTERNATE. CREW REPORTED WHEN FLIGHT DIRECTORS CYCLED, ALL RETURNED TO NORMAL. ACCOMPLIS
- [SDR FDEA2020043090841](https://openairdocs.org/sdr/FDEA2020043090841.md): Adiru · failed · Apr 29, 2020 · N321FE · Doug MD1030F
  > AT FL340 GOT IAS DISPLAYED ON PFD'S AS WELL AS WSHEAR DET FAIL SEL ELEV FEEL MAN AND SEL FLAP LIMIT OVED DISPLAY. COMPLIED WITH AIRSPEED UNRELIABLE CHECKLIST IN QRH. IT APPEARED CAPTAINS AIRSPEED WAS IN ERROR. TRIED TO SELECT AUX CADC. THIS DID NO FIX IT.
- [SDR DALA2020031001779](https://openairdocs.org/sdr/DALA2020031001779.md): Air Data Module · faulty · Mar 6, 2020 · N340NW · Airbus A320212
  > SHIP 3240 - GEAR - DUE TO THE LOSS OF ADIRU-1 & 3. ADIRU-3 WAS ON MEL AND ADIRU-1 FAILED EN ROUTE. ALTERNATE LANDING GEAR EXTENSION WAS CARRIED OUT AND THE SHIP WAS TOWED TO THE GATE DUE TO THE LOSS OF NOSE GEAR STEERING. CORRECTIVE ACTION - REPLACED AIR DATA
- [SDR CALA2020011000117](https://openairdocs.org/sdr/CALA2020011000117.md): Adiru · faulty · Jan 9, 2020 · N77525 · Boeing 737824
  > LEFT IRU FAULT IN FLIGHT. R/R LEFT ADIRU REF AMM 34-21-01-400-801 OPS CK GOOD. ALSO PERFORMED LAND VERIFY REF AMM 22-11-00 ALL PASS. A/C REMAIN FULL CAT CAPABILITY. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1076764 SN OFF 1009 UNIT, ADIRU, AI OFF 60-3421-9-0
- [SDR AALA202001069015](https://openairdocs.org/sdr/AALA202001069015.md): Iru · out of alignment · Jan 4, 2020 · N742PS · Airbus A319112
  > AIRCRAFT NOT GROUNDED: 3 MAJOR ANOMILIES W/FMC OR FLT GUIDANCE ON R/NAV AMVAL AT DEN. 1-INTIAL VENT SPEED PNVR TO VENT PATH INTERCEPT WAS EXCESS OF 3000VVI DESPITE PUSH ON VERT SPEED LEVELS 4 A MANAGED DESCENT. AIRCRAFT THEN MAINTAINED TOO SHOW A DESCENT RATE,
- [SDR YENA201909040514](https://openairdocs.org/sdr/YENA201909040514.md): Adiru · failed · Sep 4, 2019 · N709JB · Airbus A320232
  > FLT 72, SLC-JFK. EMERGENCY DECLARED. THE FLIGHT CREW REPORTED THAT IRS #3 FAILED IN CRUISE, THE #2 IR IS CURRENTLY ON MEL. WHILE IN CRUISE IRS 3 FAILED; R & R ADIRU #3 (1FP3) IAW AMM TASK 34-12-34. OPS CK NORMAL. A/C OK FOR SVC
- [SDR AALA201908309005](https://openairdocs.org/sdr/AALA201908309005.md): Adiru · failed · Aug 29, 2019 · N920US · Airbus A321231
  > AIRCRAFT WAS GROUNDED: FLIGHT AIR RETURNED TO SFO ON ACCOUNT OF ELECTRONIC AND NAVIGATION FAIL MESSAGE. NO EMERGENCY DECLARED. MAINTENANCE REPLACED #1 ADIRU IAW AMM 34-12-34. OPS CHECKS GOOD.
- [SDR AALA201907259004](https://openairdocs.org/sdr/AALA201907259004.md): Adiru · faulty · Jul 23, 2019 · N807NN · Boeing 737823
  > AIRCRAFT WAS GROUNDED: PILOT REPORTS ON CLIMB OUT PASSING ABOUT FL240 IN IMC, THE A/S DISAGREE AND ALT DISAGREE MESSAGES (FOS SIDE WAS WRONG FAILED LOW) CAME ON. WE WERE FLYING THROUGH ICING AS WELL. DESCENDING THROUGH 16,000. FIRST OFFICERS INSTRUMENTS RETU
- [SDR SWAA2019071634939](https://openairdocs.org/sdr/SWAA2019071634939.md): Iru · failed · Jul 15, 2019 · N445WN · Boeing 7377H4
  > AIR TURNBACK, #2 INERTIAL REFERENCE SYSTEM FAULT/FAIL. R&R #2 AIR DATA INERTIAL REFERENCE UNIT PER AMM.
- [SDR R61A201907090701](https://openairdocs.org/sdr/R61A201907090701.md): Iru · faulted · Jul 9, 2019 · N107HQ · Emb ERJ170200LR
  > IRS 1 FAIL AND AFCS FAULT IN FLIGHT. ALSO SEVERAL ASSOCIATED EICAS MESSAGES. DECLARED EMERGENCY, DIVERTED TO PIT, LANDED WITHOUT INCIDENT. R&R IRU 1 IAW AMM 34-26-01.
- [SDR CALA2019070501141](https://openairdocs.org/sdr/CALA2019070501141.md): Adiru · faulty · Jul 5, 2019 · N77258 · Boeing 737824
  > AT FL380 IAS DISAGREE THEN ALT DISAGREE FO AIRSPEED BEGAN TO SLOWED TO 80KTS WITH PLI CREW ALSO ADVISED - AUTOTHROTTLE DISENGAGED AFTER DESENT TO FL330 AND RE-ENGAGED AT FL270 - FO'S DISPLAYS INDICATED NORMAL AT FL150. CAPT'S MATCHED STANDBY INSTRUMENTS. T/S.
- [SDR AALA201907019009](https://openairdocs.org/sdr/AALA201907019009.md): Unknown · malfunctioned · Jun 30, 2019 · N804NN · Boeing 737823
  > AIRCRAFT NOT GROUNDED: PILOT REPORTS BOTH FLIGHT DIRECTORS BLANK OUT ON TAKEOFF MOMENTARILY, CA RETURNED, FO STAYED BLANK. NO FAULTS NOTED. RIGHT IRS HAD NO POSITION AIRBORNE BUT NO FAULT LIGHT. FO FLIGHT DIRECTOR RETURNED AFTER ENTERING HDG FOR FO. MAINTENANC
- [SDR FDEA201906051228](https://openairdocs.org/sdr/FDEA201906051228.md): Transceiver · malfunctioned · Jun 5, 2019 · N972FD · Boeing 75728A
  > RADAR NOT GIVING ACCURATE INFORMATION REASON CODE: PREMATURE REMOVAL/INSTALLATION OFF MPN: 066-50008-0406 POS: ONL SRL: 12218 TAG NBR: 2611E0 ON MPN: 066-50008-0406 CPN: 3414883 SRL: RTA4B-20922

Next page: https://openairdocs.org/jasc/3441/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 = '3441'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/jasc/3441/reports

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