# Service difficulty reports: JASC 3440

A list on [JASC 3440](https://openairdocs.org/jasc/3440.md).

Reports filed under 3440 · Independent Position Determining System, newest first.

Page 1 of 6 · 261 reports

- [SDR AALA202607305439](https://openairdocs.org/sdr/AALA202607305439.md): Deu · inoperative · Jul 29, 2026 · N907NN · Boeing 737823
  > AIRCRAFT WAS GROUNDED: FIRST OFFICERS PFD LOST AIRSPEED AND ALTITUDE MOMENTARILY SEVERAL TIMES FOLLOWED BY DISPLAY SOURCE 2 WARNING LIGHT. BOTH ENGINES PLACED INTO ALTERNATE MODE PER QRH. LOST FIRST OFFICERS FLIGHT DIRECTOR ON FINAL. MAINTENANCE REPLACED DEU #
- [SDR J7SA2026072800496](https://openairdocs.org/sdr/J7SA2026072800496.md): Radio · faulted · Jul 24, 2026 · N379FX · Emb EMB505
  > CREW REPORTS MULTIPLE HSDB FAULTS, GRD SPOILER FAIL CAS, AND YELLOW “X’S” ON ENGINE INSTRUMENTS. THIS AIRCRAFT IS ONE OF 17 EMBRAER PHENOM 300 AIRCRAFT IN THE FLEXJET FLEET THAT IS EQUIPPED WITH P/N 011-03177-10 XM RADIO AND AVIONICS SOFTWARE LOAD 18.10. IN TH
- [SDR J7SA2026072800503](https://openairdocs.org/sdr/J7SA2026072800503.md): Radio · faulted · Jul 23, 2026 · N389FX · Emb EMB505
  > CREW RECEIVED INTERMITTENT HSDB FAULTS IN FLIGHT. THIS AIRCRAFT IS ONE OF 17 EMBRAER PHENOM 300 AIRCRAFT IN THE FLEXJET FLEET THAT IS EQUIPPED WITH P/N 011-03177-10 XM RADIO AND AVIONICS SOFTWARE LOAD 18.10. IN THIS CONFIGURATION, THE RECEIVER CAN GO INTO RESE
- [SDR J7SA2026072800502](https://openairdocs.org/sdr/J7SA2026072800502.md): Radio · faulted · Jul 23, 2026 · N387FX · Emb EMB505
  > CREW RECEIVED INTERMITTENT HSDB FAULTS IN FLIGHT. THIS AIRCRAFT IS ONE OF 17 EMBRAER PHENOM 300 AIRCRAFT IN THE FLEXJET FLEET THAT IS EQUIPPED WITH XM RADIO AND AVIONICS SOFTWARE LOAD 18.10. IN THIS CONFIGURATION, THE RECEIVER CAN GO INTO RESET MODE WHEN IT RE
- [SDR J7SA2026072800501](https://openairdocs.org/sdr/J7SA2026072800501.md): Radio · faulted · Jul 23, 2026 · N386FX · Emb EMB505
  > CREW RECEIVED INTERMITTENT HSDB FAULTS ON GROUND. THIS AIRCRAFT IS ONE OF 17 AIRCRAFT IN THE FLEXJET FLEET THAT IS EQUIPPED WITH XM RADIO AND AVIONICS SOFTWARE LOAD 18.10. IN THIS CONFIGURATION, THE RECEIVER CAN GO INTO RESET MODE WHEN IT RECEIVES CERTAIN PAC
- [SDR J7SA2026072800500](https://openairdocs.org/sdr/J7SA2026072800500.md): Radio · faulted · Jul 23, 2026 · N385FX · Emb EMB505
  > CREW RECEIVED INTERMITTENT HSDB FAULTS IN FLIGHT. THIS AIRCRAFT IS ONE OF 17 EMBRAER PHENOM 300 AIRCRAFT IN THE FLEXJET FLEET THAT IS EQUIPPED WITH P/N 011-03177-10 XM RADIO AND AVIONICS SOFTWARE LOAD 18.10. IN THIS CONFIGURATION, THE RECEIVER CAN GO INTO RESE
- [SDR J7SA2026072300493](https://openairdocs.org/sdr/J7SA2026072300493.md): Position Unit · faulted · Jul 23, 2026 · N391FX · Emb EMB505
  > DISCOVERED AIRCRAFT SUSCEPTIBLE TO HIGH SPEED DATA BUS (HSDB) ISSUE CAUSED BY A FAILURE OF THE XM RADIO RECEIVER. THIS AIRCRAFT IS ONE OF 17 EMBRAER PHENOM 300 AIRCRAFT IN THE FLEXJET FLEET THAT IS EQUIPPED WITH XM RADIO AND AVIONICS SOFTWARE LOAD 18.10. IN TH
- [SDR J7SA2026072300492](https://openairdocs.org/sdr/J7SA2026072300492.md): Position Unit · faulted · Jul 23, 2026 · N388FX · Emb EMB505
  > DISCOVERED AIRCRAFT SUSCEPTIBLE TO HIGH SPEED DATA BUS (HSDB) ISSUE CAUSED BY A FAILURE OF THE XM RADIO RECEIVER. THIS AIRCRAFT IS ONE OF 17 EMBRAER PHENOM 300 AIRCRAFT IN THE FLEXJET FLEET THAT IS EQUIPPED WITH XM RADIO AND AVIONICS SOFTWARE LOAD 18.10. IN TH
- [SDR J7SA2026072300491](https://openairdocs.org/sdr/J7SA2026072300491.md): Position Unit · faulted · Jul 23, 2026 · N383FX · Emb EMB505
  > DISCOVERED AIRCRAFT SUSCEPTIBLE TO HIGH SPEED DATA BUS (HSDB) ISSUE CAUSED BY A FAILURE OF THE XM RADIO RECEIVER. THIS AIRCRAFT IS ONE OF 17 EMBRAER PHENOM 300 AIRCRAFT IN THE FLEXJET FLEET THAT IS EQUIPPED WITH XM RADIO AND AVIONICS SOFTWARE LOAD 18.10. IN TH
- [SDR J7SA2026072300490](https://openairdocs.org/sdr/J7SA2026072300490.md): Position Unit · faulted · Jul 23, 2026 · N381FX · Emb EMB505
  > DISCOVERED AIRCRAFT SUSCEPTIBLE TO HIGH SPEED DATA BUS (HSDB) ISSUE CAUSED BY A FAILURE OF THE XM RADIO RECEIVER. THIS AIRCRAFT IS ONE OF 17 EMBRAER PHENOM 300 AIRCRAFT IN THE FLEXJET FLEET THAT IS EQUIPPED WITH XM RADIO AND AVIONICS SOFTWARE LOAD 18.10. IN TH
- [SDR J7SA2026072300489](https://openairdocs.org/sdr/J7SA2026072300489.md): Position Unit · faulted · Jul 23, 2026 · N378FX · Emb EMB505
  > DISCOVERED AIRCRAFT SUSCEPTIBLE TO HIGH SPEED DATA BUS (HSDB) ISSUE CAUSED BY A FAILURE OF THE XM RADIO RECEIVER. THIS AIRCRAFT IS ONE OF 17 EMBRAER PHENOM 300 AIRCRAFT IN THE FLEXJET FLEET THAT IS EQUIPPED WITH XM RADIO AND AVIONICS SOFTWARE LOAD 18.10. IN T
- [SDR J7SA2026072300488](https://openairdocs.org/sdr/J7SA2026072300488.md): Position Unit · faulted · Jul 23, 2026 · N377FX · Emb EMB505
  > DISCOVERED AIRCRAFT SUSCEPTIBLE TO HIGH SPEED DATA BUS (HSDB) ISSUE CAUSED BY A FAILURE OF THE XM RADIO RECEIVER. THIS AIRCRAFT IS ONE OF 17 EMBRAER PHENOM 300 AIRCRAFT IN THE FLEXJET FLEET THAT IS EQUIPPED WITH XM RADIO AND AVIONICS SOFTWARE LOAD 18.10. IN TH
- [SDR J7SA2026072800505](https://openairdocs.org/sdr/J7SA2026072800505.md): Radio · faulted · Jul 22, 2026 · N392FX · Emb EMB505
  > CREW RECEIVED INTERMITTED GND SPLR FAIL AND HSDB FAULT CAS MESSAGES DURING FLIGHT. ENG NO DISPATCH, E2 TTO HTR FAIL CAS, AND RIGHT OIL PRESSURE TEMP YELLOW X'S DISPLAYED ENTIRE FLIGHT. THIS AIRCRAFT IS ONE OF 17 AIRCRAFT IN THE FLEXJET FLEET THAT IS EQUIPPED W
- [SDR J7SA2026072800504](https://openairdocs.org/sdr/J7SA2026072800504.md): Radio · faulted · Jul 22, 2026 · N390FX · Emb EMB505
  > ON AIRCRAFT POWER UP, CREW RECEIVED MOMENTARY GND SPOILER, HSDB, AND ENG NO DISP MESSAGES. FAULTS CLEARED WITHOUT CREW INTERVENTION WITHIN 1-2 SECONDS. FAULTS REOCCURRED APPROXIMATELY EVERY 20-30 MINUTES THROUGHOUT THE FLIGHT. ROUGHLY 95 MINUTES AFTER TAKEOFF,
- [SDR J7SA2026072800499](https://openairdocs.org/sdr/J7SA2026072800499.md): Radio · faulted · Jul 22, 2026 · N384FX · Emb EMB505
  > CREW REPORTS INTERMITTENT HSDB FAULTS DURING FLIGHT. THIS AIRCRAFT IS ONE OF 17 EMBRAER PHENOM 300 AIRCRAFT IN THE FLEXJET FLEET THAT IS EQUIPPED WITH P/N 011-03177-10 XM RADIO AND AVIONICS SOFTWARE LOAD 18.10. IN THIS CONFIGURATION, THE RECEIVER CAN GO INTO R
- [SDR J7SA2026072800498](https://openairdocs.org/sdr/J7SA2026072800498.md): Radio · faulted · Jul 22, 2026 · N382FX · Emb EMB505
  > CREW RECEIVED MULTIPLE CAS MESSAGES IN FLIGHT: HSDB FAULT, ENGINE NO DISPATCH, E2 TT0 HTR FAIL, AND GRND SPOILER FAULT. IN ADDITION, YELLOW ‘X’S” APPEARED OVER ENG 2 OIL PRES AND OIL TEMP. THIS AIRCRAFT IS ONE OF 17 EMBRAER PHENOM 300 AIRCRAFT IN THE FLEXJET F
- [SDR J7SA2026072800497](https://openairdocs.org/sdr/J7SA2026072800497.md): Radio · faulted · Jul 22, 2026 · N380FX · Emb EMB505
  > ON DEPARTURE CLIMB, CREW RECEIVED RECEIVED GROUND SPOILER FAIL, HSDB FAULT, AND ENGINE NO DISPATCH CAS ACCOMPANIED BY YELLOW X'S OVER ENG 2'S OIL PRESSURE AND TEMPERATURE INDICATORS. ALL CAS AND YELLOW X'S EXTINGUISHED AFTER A FEW SECONDS. THIS HAS HAPPENED TH
- [SDR J7SA2026072800495](https://openairdocs.org/sdr/J7SA2026072800495.md): Radio · faulted · Jul 22, 2026 · N376FX · Emb EMB505
  > CREW REPORTS HSDB FAULT CAS MESSAGE DISPLAYED IN FLIGHT AND ON GROUND, ACCOMPANIED BY NUMEROUS OTHER CAS MESSAGES. THIS AIRCRAFT IS ONE OF 17 EMBRAER PHENOM 300 AIRCRAFT IN THE FLEXJET FLEET THAT IS EQUIPPED WITH P/N 011-03177-10 XM RADIO AND AVIONICS SOFTWARE
- [SDR DXTA2026010906452](https://openairdocs.org/sdr/DXTA2026010906452.md): Ahrs · faulted · Jan 5, 2026 · N907QS · Cessna 680A
  > DURING CRUISE FLIGHT AMBER HEADING MIS COMPARE DISPLAYED. WE NOTED A 8 DEGREE DIFFERENCE BETWEEN HDG1 AND HDG2. HDG2 MATCHED THE STBY SO WE REVERTED HDG1 OVER TO HGD2. AFTER LANDING THE HDG MIS COMPARE CLEARED AND ALL INDICATIONS ARE NORMAL. THIS IS THE SE
- [SDR DXTA2026010806442](https://openairdocs.org/sdr/DXTA2026010806442.md): Iru · faulty · Jan 4, 2026 · N793QS · Bombdr BD1001A10
  > APPROXIMATELY 30 MIN AFTER DEPARTURE AND PRIOR TO OCEANIC ENTRY, IRS-FMS DISAGREE AND IRS DIVERTED MESSAGES DISPLAYED IN SCRATCHPAD OF FMS. COMPANY ADVISED NOT TO CONTINUE IF MESSAGES DID NOT CLEAR. MESSAGES CLEARED INITIALLY BUT THEN DISPLAYED AGAIN. CORRECTI
- [SDR IPXA2025122272606](https://openairdocs.org/sdr/IPXA2025122272606.md): Computer · faulted · Dec 21, 2025 · N421UP · Boeing 75724APF
  > AIR TURN BACK, DURING CLIMB OUT THROUGH 14,000€™ OBSERVED THREE SIMULTANEOUS ADVISORY MESSAGES RESULTED IN DIVERSION/RETURN SDF. "GRND PRX SYST" "TERR SYST" "WINDSHEAR SYST". ++REPLACED EGPWS COMPUTER PER AMM 34-46-01-404-005. VERIFIED SOFTWARE PER AMM SOFTWA
- [SDR AALA202508211540](https://openairdocs.org/sdr/AALA202508211540.md): Adiru · failed · Aug 20, 2025 · N877NN · Boeing 737823
  > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: RIGHT IRS FAULT IN FLIGHT FIRST OFFICER PFD AND ALSO WENT BLANK, CONTINUED ERRONEOUS INDICATIONS OF BOTH WINDS AND LOCATIONS WHEN SHARING BOTH ON IRS 1. ERRONEOUS GPS LOCATION. AIRCRAFT AIR INTERRUPTED B
- [SDR VNAA2025031711101](https://openairdocs.org/sdr/VNAA2025031711101.md): Transceiver · faulted · Mar 14, 2025 · N718PS · Cndair CL6002C10
  > ERRONEOUS RA CALLOUTS, ERRONEOUS GPWS CALL OUTS, ERRONEOUS PULL UP CALL OUTS AT 1000 FOOT ON CLIMB AND REMAINED ON SPORADICALLY THROUGH FLIGHT. / REMOVED AND REPLACED RAD ALT TRANSCEIVER IAW CRJ700 AMM 34-44-01-000/400-801. REMOVED AND REPLACED RAD ALT ANTENNA
- [SDR ABX2024F00000](https://openairdocs.org/sdr/ABX2024F00000.md): Transponder · faulted · Dec 19, 2024 · N219CY · Boeing 767383
  > DURING TAXIOUT ATC NOT RECEIVING TRANSPONDER. AC RETURNED TO GATE (BTB) RESET CONTROL HEAD AND PERFORMED OPS CHECK OF BOTH SYSTEMS IAW B767 AMM 34-45-00 OPS CHECK GOOD. MTX RETURNED AC TO SERVICE
- [SDR COEA2024111408880](https://openairdocs.org/sdr/COEA2024111408880.md): Transponder · malfunctioned · Nov 13, 2024 · N880FE · Cessna 208B
  > FLT 8812 TAKEOFF OUT OF PHX AIR TURNBACK/DISCREPANCY: NO MODE C ON BOTH TRANSPONDERS IN FLIGHT. AIRCRAFT WAS RETURNED TO PHX. NO EMERGENCY WAS DECLARED. LANDED WITHOUT FURTHER INCIDENT. CORRECTIVE ACTION: AFTER TROUBLESHOOTING, MAINTENANCE COULD NOT DUPLICATE
- [SDR FDEA202407181030](https://openairdocs.org/sdr/FDEA202407181030.md): Iru · failed · Jul 18, 2024 · N996FD · Boeing 7572Q8
  > REJECTED TAKEOFF. SIMULTANEOUS L & C IRS FAULT EICAS AND ASSOCIATED ATT & HDG FAILURES. REFERENCE WRI 05-50-0566: ACCOMPLISHED WATER ACCUMULATION INSPECTION AND REMOVAL REF B757 MM 05-51-99-6. GVI FOUND NO WATER EVIDENCE ON ANY AVIONICS RACK DRIP PANS OR B
- [SDR YENA2023122801655](https://openairdocs.org/sdr/YENA2023122801655.md): Transceiver · failed · Dec 24, 2023 · N4064J · Airbus A321271N
  > FLT#1107, JFK-LHR. (ETOPS) ' WX RADAR POS 1 INOP ( WEATHER RADAR SYSTEMS); REMOVED AND REPLACED WXR RADAR TRANSMITTER RECEIVER UNIT (13SQ1) REF TO AMM 34-41-51. OPS CHECK GOOD. MDDR CLEARED. MX-4 UPDATED. PLACARD REMOVED.'
- [SDR ASAA2023100245426](https://openairdocs.org/sdr/ASAA2023100245426.md): Unknown · unknown · Oct 2, 2023 · N413AS · Boeing 737990ER
  > FROM 100 NM NORTH OF RNO TO 50 NM SOUTH OF RNO RADAR DISPLAY DISPLAYED INTENSE ECHO & TURBULENCE (RED DOTS) IN ONE SOLID LINE FOR 200 TMI @ OUR 10 O' CLOCK, ERRONEOUSLY (IT WAS CLEAR). GROUNDED - YES. UPON A/C ARRIVAL, PER CREW THERE WERE NO SIGN OF UNUSUAL AC
- [SDR ASAA2023092145234](https://openairdocs.org/sdr/ASAA2023092145234.md): Unknown · unknown · Sep 21, 2023 · N964AK · Boeing 7379
  > CAPT AND FO ND DISPLAY SHOWS AMBER WXR FAIL AND PWS FAIL. GROUNDED - YES. PERFORMED OPS CHECK OF WEATHER RADAR SYSTEM AFTER POWER CYCLE IN REFERENCE WITH AMM 34-41-00-710-801, OPS TEST GOOD.
- [SDR ASAA2023081644697](https://openairdocs.org/sdr/ASAA2023081644697.md): Unknown · unknown · Aug 16, 2023 · N479AS · Boeing 737990ER
  > ON TAXI -OUT PWS FAIL ILLUMINATED ON CA SIDE ND. GROUNDED - YES. ON DEFERRAL.
- [SDR SIMA20230806001](https://openairdocs.org/sdr/SIMA20230806001.md): Radar · unserviceable · Aug 6, 2023 · N286NN · Emb ERJ170200LR
  > MEL 34-15 - AUTH# 070867M-C. IN FLIGHT LANDING GEAR WARNING. RA 2 FAIL. ORIG AML PG 4947449, ITEM 1.-C/A-RAR RA2 IAW AMM 34-31-01. OPS CHECK GOOD. MEL RESTORED.
- [SDR ASAA2023062843801](https://openairdocs.org/sdr/ASAA2023062843801.md): Unknown · unknown · Jun 28, 2023 · N942AK · Boeing 7379
  > WX RADAR FAILED INFLIGHT BOTH NDS. GROUNDED - YES. PERFORMED OPERATIONAL TEST OF WEATHER RADAR, IAW B737-9 AMM 34-41-00-710-841. OPS CHK GOOD ON GROUND.
- [SDR ASAA2023062443710](https://openairdocs.org/sdr/ASAA2023062443710.md): Unknown · unknown · Jun 24, 2023 · N558AS · Boeing 737890
  > CAPTAINS NAVIGATION DISPLAY DEPICTS ERRONEOUS GREEN BAND OF WX RADAR RETURNS FROM APPROXIMATELY 80-160-NM IN BOTH AUTO AND MANUAL MODES. ERRONEOUS DISPLAY IS NOT AFFECTED BY CHANGING SCALE. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023060943533](https://openairdocs.org/sdr/ASAA2023060943533.md): Unknown · unknown · Jun 9, 2023 · N952AK · Boeing 7379
  > WX RADAR WILL NOT DISPLAY KNOWN THUNDER STORMS IN AUTO MODE. WEAK RETURN ARE POSSIBLE IN MANUAL MODE BUT WILL NOT DISPLAY VISIBLE STORM DIMENSIONS ON RADAR DISPLAY. VARIOUS GAIN ADJUSTMENTS MADE WITH NO CHANGE AT MAX GAIN. GROUND CLUTTER FUNCTION WORKS NORMALL
- [SDR ASAA2023060643475](https://openairdocs.org/sdr/ASAA2023060643475.md): Unknown · unknown · Jun 6, 2023 · N468AS · Boeing 737990ER
  > RADAR RETURNING ERRONEOUS RETURNS. GROUNDED - YES. PERFORMED B737-900 AMM TASK 34-43-00-710-802-001 WEATHER RADAR SYSTEM TEST PASSED. NO FAULT NOTED. OPS CHECK GOOD.
- [SDR ASAA2023053043412](https://openairdocs.org/sdr/ASAA2023053043412.md): Unknown · unknown · May 30, 2023 · N971AK · Boeing 7379
  > WEATHER RADAR FAILED. WXR FAIL FLAG AND PWS FAIL FLAG. GROUNDED - YES. OMF SHOWS MAINTENANCE MESSAGE 34-43101 AND 34-43107 LOGGED ON PREVIOUS FLIGHT LEG. ACCOMPLISHED B737-9 FIM 34-41-00-810-818 AND 34-41-00-810-837 INITIAL EVALUATION SHOWS NO FAULTS DETECTED
- [SDR ASAA2023052643377](https://openairdocs.org/sdr/ASAA2023052643377.md): Unknown · unknown · May 26, 2023 · N956AK · Boeing 7379
  > WX RADAR DEPICTS A RETURN FROM THE NOSE TO END OF RANGE THAT IS CONSISTENTLY POINTED 20* DEGREES LEFT OF NOSE. GROUNDED - YES. PERFORMED SYSTEM RESET OF THE WXR SYSTEM PERFORMED WEATHER RADAR OPERATIONAL TEST IAW B737-9 AMM 34-41-00. OPS CK GOOD. ALL INDICATIO
- [SDR QXEA2023051200081](https://openairdocs.org/sdr/QXEA2023051200081.md): Antenna · malfunctioned · May 10, 2023 · N633QX · Emb ERJ170200LR
  > ON TAKEOFF, AMBER"RA"DIFFERENCE BOX ILLUMINATED ON BOTH PFD'S AROUND 1100AGL."AUTOLANDNA' APPEARED ON EICAS. ALL MESSAGES EXTINGUISHED AROUND 1800AGL. RA INDICATES WERE NORMAL ON LANDING. DIVERTED AND ACCOMPLISHED UNEVENTFUL LANDING. REMOVED FROM SERVICE. FOUN
- [SDR ASAA2023042943053](https://openairdocs.org/sdr/ASAA2023042943053.md): Unknown · unknown · Apr 29, 2023 · N919AK · Boeing 7379
  > RADAR IN AUTO MODE CAPTAIN SIDE SHOWS RETURN AT 60 MILES IN CLEAR CONDITIONS FO SIDE SHOWS NO RETURN. IN MANUAL MODE RADAR WORKS NORMAL. GROUNDED - YES. CHECKED WIRING AND FOUND OPEN WIRE BETWEEN CONNECTOR D13757D PIN B11 ON DPC-1 AND CONNECTOR D40149J ON E3-1
- [SDR ASAA2023041642892](https://openairdocs.org/sdr/ASAA2023041642892.md): Unknown · unknown · Apr 16, 2023 · N963AK · Boeing 7379
  > WXR FAIL MSG ON MFD DURING CLIMBOUT. GROUNDED - YES. PILOTS REPORT WXR FAILED CLIMBING PAST FL180 FROM SEA. WXR BEGAN WORKING AGAIN ONCE ON THE GROUND IN JNU. FOUND NO INBOUND OR RELATED EXISTING FDE. NO PRESENT OR EXISTING FAULTS EITHER. PERFORMED WXR OPS TES
- [SDR ASAA2023041542891](https://openairdocs.org/sdr/ASAA2023041542891.md): Unknown · unknown · Apr 15, 2023 · N918AK · Boeing 7379
  > WXR FAIL APPEARS ON N.D. - NO TEST PATTERN. GROUNDED - YES. WEATHER RADAR OP CK GOOD REF B737-9 AMM 34-41-00. NO HISTORY 30 DAYS.
- [SDR ASAA2023032342570](https://openairdocs.org/sdr/ASAA2023032342570.md): Pedestal · failed · Mar 23, 2023 · N402AS · Boeing 737990ER
  > WXR FAILED WHEN ACTIVATED. GROUNDED - YES. VERIFIED WXR TEST SHOWS ANTENNA FAIL. REF B737-900 FIM 34-43 TASK 801. REMOVED AND INSTALLED NEW WXR ANTENNA DRIVE UNIT PER B737-900 AMM 34-43-11/401, OPS NORMAL. GROUND VERIFICATION SUCCESSFUL.
- [SDR ASAA2023031742409](https://openairdocs.org/sdr/ASAA2023031742409.md): Unknown · unknown · Mar 17, 2023 · N558AS · Boeing 737890
  > IN AUTO DOWN -2 CAPTAIN SIDE RADAR WAS SHOWING FULL GROUND RETURN. FO RADAR SHOWED NORMAL RETURN. GROUNDED - YES. PERFORMED WEATHER RADAR SYSTEM BITE CHECK PER B737-800 FIM 34-43 TASK 801. NO FAULT FOUND. PERFORMED GOOD WRX SYSTEM TEST PER B737-800 AMM 34-43-0
- [SDR ASAA2023031642408](https://openairdocs.org/sdr/ASAA2023031642408.md): Control Panel · failed · Mar 16, 2023 · N915AK · Boeing 7379
  > IN WX, WX+T & MAP MODES CAPT SELECTED TILT IN MAN MODE DOES NOT MATCH INDICATED TILT ON NAV DISPLAY. IN MAN MODE, CAPT TILT SHOWS +15 DEG WITH 0 SELECTED ON RDR PNL; SHOWS +4 WITH -15 SELECTED. RDR APPEARS TO WORK NORMALLY IN AUTO MODE. FO RDR WORKS NORMALLY I
- [SDR ASAA2023031642406](https://openairdocs.org/sdr/ASAA2023031642406.md): Unknown · unknown · Mar 16, 2023 · N433AS · Boeing 737990ER
  > WEATHER RADAR FAILED. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 34-43 TASK 801 WEATHER RADAR BITE, NO FAULTS.
- [SDR ASAA2023030742249](https://openairdocs.org/sdr/ASAA2023030742249.md): Unknown · unknown · Mar 7, 2023 · N942AK · Boeing 7379
  > WXR FAIL ENROUTE. GROUNDED - YES. ACCOM RESET OF WXR RT AND PERFORMED WXR OPS TEST REF B737-9 AMM 34-41-00. WXR TEST NORMAL NO OTHER FAULTS NOTED.
- [SDR ASAA2023030542214](https://openairdocs.org/sdr/ASAA2023030542214.md): Transceiver · faulty · Mar 5, 2023 · N508AS · Boeing 737890
  > WEATHER RADAR DEPICTED CELLS WHERE THERE WERE NONE AND DEPICTED NOTHING WHEN THERE WERE CELLS. USED IN AUTO AND MANUAL BOTH. AUTO SEEMED MORE INACCURATE. GROUNDED - YES. REMOVED AND REPLACED THE WEATHER RADAR TRANSCEIVER IAW B737-800 AMM 34-43-41.
- [SDR ASAA2023030242185](https://openairdocs.org/sdr/ASAA2023030242185.md): Unknown · unknown · Mar 2, 2023 · N433AS · Boeing 737990ER
  > PWS FAIL MESSAGE ON NAV DISPLAY, CLEARED ON LANDING. GROUNDED - YES. FOLLOWED PREDICTIVE WINDSHEAR SYSTEM B737-900 FIM 34-43 TASK 815. PERFORMED INITIAL EVALUATION WEATHER RADAR BITE FIM 34-43 TASK 801 BITE CHECK PASSED.
- [SDR ASAA2023030242140](https://openairdocs.org/sdr/ASAA2023030242140.md): Antenna · failed · Mar 2, 2023 · N514AS · Boeing 737890
  > WX RADAR FAIL ANNUNCIATED AND DID NOT OPERATE. GROUNDED - YES. REMOVED & REPLACED WEATHER RADAR ANTENNA DRIVE UNIT REF B737-800 AMM 34-43-11. OPS CK OF WEATHER RADAR & PWS SYSTEM GOOD.
- [SDR ASAA2023022742113](https://openairdocs.org/sdr/ASAA2023022742113.md): Unknown · unknown · Feb 27, 2023 · N464AS · Boeing 737990ER
  > PWS FAIL INDICATED ON RADAR ACTIVATION. GROUNDED - YES. PERFORMED B737-900 FIM 34-43 TASK 801. WEATHER RADAR SYSTEM BITE TEST. OPS CHECK GOOD.

Next page: https://openairdocs.org/jasc/3440/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 = '3440'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/jasc/3440/reports

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