# Service difficulty reports: JASC 3446

A list on [JASC 3446](https://openairdocs.org/jasc/3446.md).

Reports filed under 3446 · Non Radar Weather System, newest first.

- [SDR AALA202601129996](https://openairdocs.org/sdr/AALA202601129996.md): Computer · failed · Jan 11, 2026 · N882NN · Boeing 737823
  > AIRCRAFT WAS NOT GROUNDED: AN EMERGENCY WAS NOT DECLARED DUE TO: TERRAIN FAILED. AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT MIA. REMOVED AND REPLACED (GPWC)-GROUND PROXIMITY WARNING COMPUTER. PER AMM 34-46-01. OPERATIONAL CHECK GOOD.
- [SDR CALA2024111301128](https://openairdocs.org/sdr/CALA2024111301128.md): Indicator · malfunctioned · Nov 10, 2024 · N66841 · Boeing 737924ER
  > DURING ARRIVAL TO IAH FO SIDE LOC FLAG.FOLLOWD BY ILS AND GLS ON IRS PANEL.GPWS INOP ILLUM PERFORMED OPS CHECK 34-46-00 NO FAULTS FOUND ON GPWS OR ILS AC OK FOR SVC
- [SDR CALA2024071802060](https://openairdocs.org/sdr/CALA2024071802060.md): Computer · inoperative · Jul 7, 2024 · N35271 · Boeing 737824
  > GPWS INOP AND TERRAIN FAIL IN FLIGHT UPDATED MAA CODE FIX USING VENDOR MAA SCREEN PLEASE CONTACT TOMC BEFORE COMMENCING ANY WORK. INSTALLATION. SUSPECT BAD GPWC. GPWS IS HARD FAULTING MULTIPLE FAULT LIGHTS ON LRU. WILL NOT ADDING PART AND FLAGGING FOR CAT III
- [SDR CALA2022020400319](https://openairdocs.org/sdr/CALA2022020400319.md): Warning System · false indication · Feb 3, 2022 · N74007 · Boeing 777224
  > CREW REPORTS LOW SPEED ABORT AT 80 KNOTS DUE TO AURAL WARNING THAT AIRCRAFT WAS ON A TAXIWAY. AC WAS ACTUALLY ON RUNWAY 9R. CREW ALSO REPORTS THEY NORMALLY RECEIVE AURAL NOTIFICATION WHEN APPROACHING A RUNWAY AND THERE WAS NONE WHEN THEY APPROACHED 9R. TERRAIN
- [SDR UIEA2019031103512](https://openairdocs.org/sdr/UIEA2019031103512.md): Computer · malfunctioned · Mar 6, 2019 · N1093A · Boeing 76736N
  > WINDSHEAR SYS EICAS MSG @FL 400(<DIV>RERACKED EGPWS COMPUTER ALL AURAL WARNINGS AND LIGHTS TEST NML IAW FIM 34-46 FAULT TREE 804 NO FAULTS NOTED.</DIV>)
- [SDR IPXA2016092108519](https://openairdocs.org/sdr/IPXA2016092108519.md): Coax · failed · Sep 19, 2016 · N270UP · Doug MD11F
  > SHORTLY AFTER TAKEOFF, TCAS FAILED. RETURNED TO DEPARTURE. REPLACED BOTH J2 AND J4 COAX CABLES. TCAS OPS CHECK GOOD.
- [SDR UIEA2013071600370](https://openairdocs.org/sdr/UIEA2013071600370.md): Warning Message · illuminated · Jul 14, 2013 · N767MW · Boeing 767277
  > GROUND PROX STATUS MESSAGE. PERFORMED WIRING CHANGE IAW EO 6734A032 EGPWS SYST BITE AND GROUND CHECK GOOD, DMI 41175 CLEARED.
- [SDR UALA2013041502572](https://openairdocs.org/sdr/UALA2013041502572.md): Transceiver · failed · Apr 14, 2013 · N779UA · Boeing 777222
  > WINDSHEAR PREDICTIVE WINDSHEAR FUNCTION OF THE WEATHER RADAR UNIT IS FAILED. REPLACED RT UNIT, OPS OKAY PER AMM.
- [SDR SWAA2012042603445](https://openairdocs.org/sdr/SWAA2012042603445.md): Panel · faulty · Apr 25, 2012 · N669SW · Boeing 7373A4
  > DECLARED EMERGENCY -- TERRAIN DISPLAY POPPED AND STARTED TO SMOKE. REMOVED AND REPLACED TERRAIN DISPLAY PANEL PER MM.
- [SDR IPXA10562473](https://openairdocs.org/sdr/IPXA10562473.md): Vsi · inoperative · Sep 9, 2010 · N468UP · Boeing 75724APF
  > DIVERSION - TCAS FAIL ENROUTE. TCAS WAS ALSO REPORTING REVERSE SENSING OF TRAFFIC. BEFORE COMPLETE FAILURE TCAS FLAGS IN BOTH VSI INDICATORS PLUS CDTI. CARRIED OUT TCAS EXTENDED MX TEST IAW AMM 34-45-00-5 7. AT ATC/TCAS CONTROL PANEL USING SELECT CODE 0001 FO
- [SDR KNNA20090006](https://openairdocs.org/sdr/KNNA20090006.md): Radar · odor · Jun 5, 2009 · N977UA · Boeing 737291
  > DURING DESCENT & APPROACHING 15DME ARC ON NANKU 2 ARRIVAL. SHORTLY AFTER RADAR SCREEN TURNED RED, NOTICED AN ELECTRICAL BURNING ODOR. TURNED RADAR OFF. DECLARED AN EMERGENCY APPROACH. SLOWED AND CONFIGURED ACFT NORMALLY. MADE LANDING UNEVENTFULLY. BURNI
- [SDR YENA20090515049](https://openairdocs.org/sdr/YENA20090515049.md): Altimeter · failed · May 14, 2009 · N203JB · Emb ERJ190100IGW
  > FLT NR721, AFTER TAKEOFF HAD DUAL RA FAILURE WITH TAIL STRIKE PROT FAIL MESSAGE ON EICAS. ADDITIONALLY RA FLAGS WERE DISPLAYED ON THE PFD'S. LANDING GEAR AURAL WARNING WENT OFF CONTINUOUSLY AND COULD NOT BE SILENCED BY LANDING GEAR EXTENSION. RETURNED TO DEPA
- [SDR HSY2005F00000](https://openairdocs.org/sdr/HSY2005F00000.md): Indicator · unserviceable · Mar 15, 2005 · N766FE · Cessna 208B
  > AIR RETURNED, DUE TO PILOT EXPERIENCING SMOKE IN THE COCKPIT. PILOT NOTICED THE RADAR INDICATOR BLINKING OFF AND ON. MAINT CONFIRMED THAT THE SMOKE WAS COMING FROM THE RADAR INDICATOR. THE RADAR SYSTEM WAS DEFERRED AND IT WAS CONFIRMED THAT NO POWER WAS TO
- [SDR DL76L050040](https://openairdocs.org/sdr/DL76L050040.md): Switch · overheated · Jan 17, 2005 · N197DN · Boeing 767332
  > ON APPROACH LATCHED THE EGPWS INHIBIT SWITCH, HAD ELECTRICAL ODOR IN COCKPIT. SVO FOUND INHIBIT SWITCH WARM WHEN LATCHED IN. REPLACED P3-1 PANEL.
- [SDR UPS03641380](https://openairdocs.org/sdr/UPS03641380.md): Indicator · inoperative · Oct 8, 2003 · N331UP · Boeing 767300
  > INSPECTION TYPE: ETOP DIVERSION, CAPTIANS VERTICAL SPEED FLAG IN VIEW ALT AIR DATA DOESN'T CORRECT. (TCAS FLAG IN VSI ALSO IN VIEW) REPLACED CAPTAIN'S VSI PER MM 34-22-06-4 & 34-45-00-5. OPS CHK NORMAL.
- [SDR HEEA082444](https://openairdocs.org/sdr/HEEA082444.md): Indicator · malfunctioned · Dec 12, 2002 · N1545X · Skrsky S76A
  > RADAR ALTIMETER INDICATOR HAS AN UNRELIABLE OFF FLAG AND NEEDLE PARKS DURING FLIGHT.
- [SDR 99ZZZX2487](https://openairdocs.org/sdr/99ZZZX2487.md): Stormscope · railed · May 30, 1999 · N8041Y · Piper PA30
  > ON FIRST START-UP, DISPLAY WAS NOT CLEAR. WOULD NOT CHANGE FROM STRIKE MODE TO CELL MODE. COMPLETE FAILURE IN LESS THAN ONE HOUR'S TIME SINCE NEW.
- [SDR 99ZZZX2859](https://openairdocs.org/sdr/99ZZZX2859.md): Computer · malfunction · Mar 8, 1999 · N105NG · Bolkms BO105S
  > COMPUTER READS ERROR 001 WHEN TURNED ON, THEN READS, OPERATION NO LONGER POSSIBLE. REMOVED AND REPLACED.
- [SDR 99ZZZX2858](https://openairdocs.org/sdr/99ZZZX2858.md): Display · failed · Feb 11, 1999 · N911LF · Bolkms BO105S
  > AFTER STORMSCOPE UNIT USED FOR ONE FLIGHT AND WARMED UP, NEXT FLIGHT, UNIT WILL NOT DISPLAY. REMOVED AND REPLACED.
- [SDR 98ZZZX939](https://openairdocs.org/sdr/98ZZZX939.md): Display · failed · Jan 15, 1998 · N117NG · Bolkms BK117A4
  > STORMSCOPE DISPLAY INOPERATIVE. FAILED APPROXIMATELY 1 MONTH AFTER INSTALLATION. REMOVED AND REPLACED.
- [SDR 98ZZZX946](https://openairdocs.org/sdr/98ZZZX946.md): Stormscope · failed · Jan 14, 1998 · N4493X · Bolkms BK117A3
  > STORMSCOPE UNIT NOT RECEIVING INPUT. REMOVED AND REPLACED.
- [SDR ARWA9603008](https://openairdocs.org/sdr/ARWA9603008.md): Rt Unit · inoperative · Mar 20, 1996 · N661AV · Doug DC863F
  > ON CLIMB-OUT OF MIAMI, RADAR WENT BLANK. RETURNED TO MIAMI. REMOVED AND REPLACED RADAR RECEIVING TRANSMITTING UNIT. OPS NORMAL. PER¡ MM 34-40-1.
- [SDR 95ZZZX3105](https://openairdocs.org/sdr/95ZZZX3105.md): Stormscope · failed · Apr 24, 1995 · N317MC · Bolkms BK117C1
  > STORMSCOPE, NO INDICATION IT IS PROCESSING.

## 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 = '3446'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/jasc/3446/reports

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