# Service difficulty reports: JASC 3455

A list on [JASC 3455](https://openairdocs.org/jasc/3455.md).

Reports filed under 3455 · Automatic Direction Finder (ADF) System, newest first.

Page 1 of 4 · 164 reports

- [SDR DALA2017050603654](https://openairdocs.org/sdr/DALA2017050603654.md): Receiver · odor · May 4, 2017 · N190DN · Boeing 767332
  > DURING CRUISE, ONE HOUR INTO FLIGHT, THE LEFT ADF DISPLAYED ON CAPTAIN`S AND FIRST OFFICER`S MAP DISPLAY. AT SAME TIME SMELLED A BURNING ELECTRICAL ODOR IN THE COCKPIT AND CABIN. CIRCUIT BREAKER F-6 TRIPPED. FOUND ACRID ODOR FROM LEFT ADF RECIEVER. REPLACED
- [SDR O2JA2017042000001](https://openairdocs.org/sdr/O2JA2017042000001.md): Adf · fire · Apr 20, 2017 · N991AL · Lear 35A
  > ADF BECAME VERY HOT TO THE TOUCH DURING FLIGHT, IT WAS TURNED OFF. A FEW MINUTES LATER FLAMES APPEARED BETWEEN THE HF RADIO AND ADF.
- [SDR O2JA201704270001](https://openairdocs.org/sdr/O2JA201704270001.md): Adf · burned out · Apr 19, 2017 · N991AL · Lear 35A
  > ADF BECAME VERY HOT TO TOUCH DURING FLIGHT. THE UNIT WAS TURNED OFF, A FEW MINUTES LATER FLAMES APPEARED BETWEEN ADF AND HF RADIO.
- [SDR DALA2017021401198](https://openairdocs.org/sdr/DALA2017021401198.md): Receiver · odor · Feb 11, 2017 · N196DN · Boeing 767332
  > CAPTAIN`S AND F/O`S YELLOW BAND DISPLAYED ON HSI'S. CIRCUIT BREAKER WAS RESET (A3) IAW MCC WITHIN 30 SEC STARTED TO SMELL BURNING ELECTRIC PLASTIC PULLED CIRCUIT BREAKER A3 AND ODOR DISSIPATED. FOUND ELECTRICAL ODOR FROM RADF RECEIVER, COMPLIED WITH ERA 55536
- [SDR COZA20151112064](https://openairdocs.org/sdr/COZA20151112064.md): Antenna · inoperative · Nov 12, 2015 · N737KA · Boeing 7377BX
  > NUMBER 2 ADF FAILED TO OPERATE & WAS TROUBLE SHOT TO THE ANTENNA. REPLACED THE ANTENNA & NR 2 ADF OPERATES CORRECTLY.
- [SDR DALA2015080404795](https://openairdocs.org/sdr/DALA2015080404795.md): Receiver · odor · Jul 29, 2015 · N138DL · Boeing 767332
  > PERFORMED AN AIR TURNBACK DUE TO AN ELECTRICAL BURNING ODOR THROUGHOUT THE ACFT. FOUND CIRCUIT BREAKER POSITION F6, LEFT ADF, WAS TRIPPED. VERIFIED THE ADF RECEIVER AS THE CAUSE. REPLACED THE LT ADF RECEIVER IAW AMM 34-57. INSPECTED ACFT CARGO BIN AND E/E
- [SDR USAA2015033000003](https://openairdocs.org/sdr/USAA2015033000003.md): Receiver · faulty · Mar 29, 2015 · N833AW · Airbus A319132
  > SMELL OF ELEC ODOR THROUGHT ACFT. TROUBLE SHOT IAW JC 26L00021001 CABIN AIR QUALITY. FOUND AUTOMATIC DIRECTION FINDER, ADF, RECEIVER 1 WOULD NOT BITE OR SELF-TEST & HAS BURNT SMELL. REPLACED ADF 1 RECEIVER IAW AMM 34-53-31-400-002A. GOOD BITE & OPERATIONAL
- [SDR HALA2013041700038](https://openairdocs.org/sdr/HALA2013041700038.md): Warning Light · false activation · Apr 17, 2013 · N389HA · Airbus A330243
  > NAV FM/IR POSITION DISAGREE. ON ARRIVAL "NAV FM/IR POS DISAGREE" AND "GPS PRIMARY LOST" MSG NOT SHOWN. PFR SHOWS FM/IR POS DISAGREE". IAW FLIGHT CREW, FAULTS CLEARED WHEN ACFT WAS IN RANGE OF LAND BASED NAVAIDS. IAW AMM 34-12-34 RADIAL POS ERROR 1=0.1, 2=2.
- [SDR CA130402012](https://openairdocs.org/sdr/CA130402012.md): Capacitor · burned · Apr 1, 2013 · Dhav DHC8311
  > (CAN) 2 ADF UNSERVICEABLE. VOLTAGE OUTPUT ON PIN 48=323V. AND ON PIN 45= -55V ADF CONTROL HEAD WAS REPLACED TWICE DUE TO BURNED SMELL. BENCH TESTED ADF RECEIVER POWER SUPPLIES TO CONTROL HEAD, 200V AND -26V. FOUND BOTH OUT OF SPEC, 200V SUPPLY AT 285V AND
- [SDR CA130405004](https://openairdocs.org/sdr/CA130405004.md): Adf · malfunctioned · Mar 18, 2013 · Beech B200
  > (CAN) ON APPROACH IT WAS NOTED BY THE CREW THAT THE ADF BECAME UNRESPONSIVE, FURTHER INSPECTION BY THE CREW INDICATED THAT THE CIRCUIT BREAKER HAD POPPED FOR THE ADF SYSTEM. MAINTENANCE REPLACED THE ADF BOX AND THE SYSTEM TESTED SERVICEABLE.
- [SDR CA120827017](https://openairdocs.org/sdr/CA120827017.md): Control Panel · overheated · Aug 25, 2012 · Airbus A310304
  > (CAN) DURING CRUISE FLIGHT, FLIGHT CREW REPORTED SMOKE COMING OUT OF ADF NR 2 CONTROL PANEL. ADF2 CIRCUIT BREAKER WAS PULLED BUT SMOKE CONTINUED TO COME OUT OF PANEL. PANEL WAS REMOVED AND DISCONNECTED AND SMOKE STOP FROM COMING OUT OF PANEL. PANEL IS BEING
- [SDR UALA2012020200638](https://openairdocs.org/sdr/UALA2012020200638.md): Screw · missing · Feb 2, 2012 · N442UA · Airbus A320232
  > ADF ANTENNA HAS 3 EA SCREWS BACKED (OUT OF 12) - AND - SEALANT OVER SCREWS IS MISSING - AND - FILLET SEAL IS MISSING - FRAME 44 TO FRAME 45 + 9". FROM WRITE-UP D4731C. REPLACED DOME NUTS, INSTALLED. SCREWS AND FILLET SEALANT ON SMB W-US V5218P & D4731C.
- [SDR UALA2011110105915](https://openairdocs.org/sdr/UALA2011110105915.md): Receiver · faulty · Oct 31, 2011 · N597UA · Boeing 757222
  > ADF AUDIO AT ALL CREW STAT'N IS WEAK, INOP, INTERMIT, ETC WITH ANT MODE SET ON ADF CNTRL PNL. RDMI BEARING POINTER OPERATION OK. CREW COMMENTS: RIGHT ADF DOES NOT PICKUP AURAL NDB SIGNAL. NO AURAL OR SENSE ON NDB FREQS. L ADF OK-NEED MORE TIME. INSTALLED
- [SDR UALA2011050602231](https://openairdocs.org/sdr/UALA2011050602231.md): Nut Plate · defective · May 6, 2011 · N565UA · Boeing 757222
  > ADF ANTENNA REMOVED AND TWO BAD NUT PLATES REMOVED FROM AIRCRAFT STRUCTURE. ACCOMPLISHED CF9050 METER TWO BAD NUT PLATES REMOVED AND REPLACED IAW B757 SRM. RE-INSTALLED ADF ANTENNA IAW B757AMM.
- [SDR UALA2010010500074](https://openairdocs.org/sdr/UALA2010010500074.md): Antenna · damaged · Jan 4, 2010 · N658UA · Boeing 767322
  > WATER FALLING FROM OVRHD 22-23. R & R SATURATED INSULATION BLANKETS. REPLACED 2 EA ADF ANTENNAS AND LOW GAIN ANT. WORKING BOTH HIGH GAIN ANT REPLACED. RT INBD AILERON TRACKING B5971. WORKING INSULATION BLANKETS.
- [SDR UALA2009082702689](https://openairdocs.org/sdr/UALA2009082702689.md): Interrogator · odor · Aug 25, 2009 · N554UA · Boeing 757222
  > DURING TAKEOFF SMELLED ELECTRICAL ODOR, NO SMOKE, AFTER SAFELY AIRBORNE SAW R DME CB POPPED. ELECTRIC ODOR DISSIPATED QUICKLY AFTER CB POPPED. REPLACED RIGHT DME INTERROGATOR, TESTS OKAY.
- [SDR SWIA200921186](https://openairdocs.org/sdr/SWIA200921186.md): Antenna · corroded · Jan 9, 2009 · N409SW · Cndair CL6002B19
  > C-CHECK, ADF ANTENNA FUSELAGE SURFACE CORRODED. REPAIRED PER REO.
- [SDR MT92008F00008](https://openairdocs.org/sdr/MT92008F00008.md): Transistor · burned · Nov 4, 2008 · N4687B · Cessna 208B
  > THE PILOT REPORTED SMOKE IN THE COCKPIT TO ATC, DECLARED AN EMERGENCY, AND RETURNED TO DEPARTURE. THE SMOKE THAT WAS SEEN BY THE PILOT APPEARED TO BE COMING FROM UNDER THE GLARE SHIELD ABOVE THE FUEL FLOW AND FUEL QUANTITY INDICATORS. THE PILOT SAID THERE WA
- [SDR 2007FA0000878](https://openairdocs.org/sdr/2007FA0000878.md): Transponder · failed · Jun 29, 2007 · N56EM
  > ON 6/27/2007 WHILE ENROUTE, THE PRIMARY TRANSPONDER FAILED WHILE THE AIRCRAFT WAS OPERATING IN AIRSPACE. THE CREW WAS ABLE TO SWITCH TO THE SECONDARY TRANSPONDER AND CONTINUE THEIR FLIGHT TO LOCK WITHOUT FURTHER INCIDENT. UPON ARRIVAL, THE PRIMARY TRANSPONDE
- [SDR CA070227012](https://openairdocs.org/sdr/CA070227012.md): Receiver · erratic · Feb 23, 2007 · Pilats PC1245
  > (CAN) THE VOLUME ON THE ADF WAS VERY HARD TO ADJUST AND ERRATIC. ADF RECEIVER REPLACED (TC NR 20070227012)
- [SDR HALA0600846](https://openairdocs.org/sdr/HALA0600846.md): Display · failed · Nov 4, 2006 · N587HA · Boeing 767300
  > ATB CAPT HSI DEV BAR MISSING. RDMI VOR BEARING NEEDLES ARE NORMAL. FREQ AND CRS WINDOW ON NAV SELECT PANEL BLANK. REPLACED VOR CONTROL PANEL GND OPS CHK OK PER AMM 34-51-02.
- [SDR DL75K060809](https://openairdocs.org/sdr/DL75K060809.md): Control Panel · smoke · Oct 2, 2006 · N608DA · Boeing 757232
  > JUST PRIOR TO PUSHBACK, SMOKE BEGAN COMING FROM CAPTS SIDE VOR/DMA CONTROL PANEL. AFTER POWER REMOVED SMOKE STOPPED. REMOVED AND REPLACED VOR/DME CONTROL PNL IAW MM 34-51-02.
- [SDR 05FDEA01663](https://openairdocs.org/sdr/05FDEA01663.md): Antenna · corroded · Jun 23, 2005 · N203FE · Boeing 7272S2F
  > NR 2 ADF ANTENNA DISBONDED AND CORRODED. REMOVED AND REPLACED NR 2 ADF LOOP ANTENNA IAW 34-37-012-4. PERFORMED OP CHECK IAW MM 34-37-001-5. OPS CHECKS GOOD.
- [SDR BAQA092514](https://openairdocs.org/sdr/BAQA092514.md): Potentiometer · intermittent · Feb 3, 2004 · N40DK · Lear 55LEAR
  > VOLUME POT INTERMITTENT. REPLACED WITH SERVICEABLE UNIT. 02/04/2004
- [SDR BAQA091155](https://openairdocs.org/sdr/BAQA091155.md): Receiver · failed · Nov 25, 2003 · N941MS · Aerosp AS355F2
  > RECEIVER DISPLAY DOES NOT WORK. REPLACED WITH SERVICEABLE UNIT.
- [SDR HEEA088393](https://openairdocs.org/sdr/HEEA088393.md): Control Box · inoperative · Jul 30, 2003 · N762P · Skrsky S76A
  > ADF SYSTEM CONTROL BOX INOPERATIVE. IN SHOP REPAIR.
- [SDR HEEA088391](https://openairdocs.org/sdr/HEEA088391.md): Transceiver · malfunctioned · Jul 16, 2003 · N1545K · Skrsky S76A
  > AUDIO FADES OUT. SENSE COAX CONNECTOR IS LOOSE. IN SHOP REPAIR.
- [SDR HEEA088518](https://openairdocs.org/sdr/HEEA088518.md): Transceiver · interference · Jul 13, 2003 · N2261D · Bell 412
  > ADF TRANSCEIVER RECEIVES WITH EXCESSIVE STATIC. IN SHOP REPAIR.
- [SDR HEEA086543](https://openairdocs.org/sdr/HEEA086543.md): Control Unit · malfunctioned · May 22, 2003 · N762P · Skrsky S76A
  > ADF CONTROL UNIT IS UNREADABLE. IN SHOP REPAIR.
- [SDR HEEA086542](https://openairdocs.org/sdr/HEEA086542.md): Control Unit · malfunctioned · May 22, 2003 · N762P · Skrsky S76A
  > ADF CONTROL UNIT IS UNREADABLE. IN SHOP REPAIR.
- [SDR HEEA086540](https://openairdocs.org/sdr/HEEA086540.md): Controller · malfunctioned · May 22, 2003 · N762P · Skrsky S76A
  > ADF CONTROLLER IS UNREADABLE. IN SHOP REPAIR.
- [SDR HEEA086538](https://openairdocs.org/sdr/HEEA086538.md): Transceiver · inoperative · May 22, 2003 · N4253S · Skrsky S76A
  > ADF TRANSCEIVER INOPERATIVE. IN SHOP REPAIR.
- [SDR HEEA084713](https://openairdocs.org/sdr/HEEA084713.md): Control Box · damaged · Feb 17, 2003 · N142PH · Bell 412
  > ADF CONTROL BOX DAMAGED, CAN'T CHANGE FREQUENCY. FOUND DISPLAY DS302, PHOTOCELL V301, PHOTOCELL LENS BAD AND SWITCH SPOOL NOT PROPERLY ALIGNED WITH SWITCH S304. REPLACED DISPLAY, PHOTOCELL, PHOTOCELL LENS AND ALIGNED SWITCH. REPAIRED. BENCH CHECK GOOD.
- [SDR HEEA084630](https://openairdocs.org/sdr/HEEA084630.md): Transceiver · inoperative · Feb 14, 2003 · N5759N · Bell 412
  > ADF TRANSCEIVER INOPERATIVE NO AUDIO. FOUND UNIT -15 VOLTS MISSING. FOUND POWER SUPPLY TRANSISTOR Q105, IC I101 AND RESISTOR R104 ALL BAD. REPLACED PARTS. REPAIRED. BENCH CHECK GOOD.
- [SDR HEEA084629](https://openairdocs.org/sdr/HEEA084629.md): Transceiver · noisy · Feb 14, 2003 · N22608 · Bell 412
  > ADF TRANSCEIVER HAS CONTINUOUS NOISE IN BACKGROUND. REPAIRED.
- [SDR HEEA084628](https://openairdocs.org/sdr/HEEA084628.md): Transceiver · weak · Feb 14, 2003 · N22608 · Bell 412
  > ADF TRANSCEIVER WEAK AND UNRELIABLE. REPAIRED.
- [SDR HEEA084627](https://openairdocs.org/sdr/HEEA084627.md): Transceiver · malfunctioned · Feb 14, 2003 · N3893N · Bell 412
  > ADF TRANSCEIVER DOES NOT RECEIVE. REPAIRED.
- [SDR HEEA083471](https://openairdocs.org/sdr/HEEA083471.md): Transceiver · inoperative · Jan 10, 2003 · N2298Z · Bell 412
  > ADF TRANSCEIVER INOPERATIVE. IN SHOP REPAIR.
- [SDR HEEA082412](https://openairdocs.org/sdr/HEEA082412.md): Knob · loose · Dec 12, 2002 · N22342 · Skrsky S76A
  > CONTROL KNOB IS LOOSE AND CANNOT BE TIGHTENED. REPLACED 28V LIGHTS, DECAL, DISPLAY LENS AND TIGHTENED KNOB. REPAIRED. BENCH CHECK GOOD.
- [SDR HEEA082398](https://openairdocs.org/sdr/HEEA082398.md): Receiver · failed · Dec 12, 2002 · N22342 · Skrsky S76A
  > ADF RECEIVER FOUND INOPERATIVE. PERFORMED PRELIMINARY INSPECTION. FOUND IC I306, I307 BAD. REPLACED. REPAIRED. BENCH CHECK GOOD.
- [SDR HEEA082395](https://openairdocs.org/sdr/HEEA082395.md): Transceiver · weak · Dec 12, 2002 · N4253S · Skrsky S76A
  > WEAK RECEIVE AUDIO, WON'T POINT TO STATIONS. IN SHOP REPAIR.
- [SDR BAQA081592](https://openairdocs.org/sdr/BAQA081592.md): Receiver · intermittent · Dec 6, 2002 · N945ME · Bolkms BK117B1
  > ADF RECEIVER DISPLAY IS INTERMITTENT. REPLACED WITH SERVICEABLE UNIT.
- [SDR SWIA200211115](https://openairdocs.org/sdr/SWIA200211115.md): Receiver · failed · Aug 2, 2002 · N190SW · Emb EMB120ER
  > WHILE HOLDING AT WYS, ADF FAILED IN FLIGHT. DIVERTED TO IDA. REPLACED ADF RECEIVER. OPS CHECKS GOOD IAW MM 34-53-00.
- [SDR HEEA080420](https://openairdocs.org/sdr/HEEA080420.md): Transceiver · inoperative · Jul 9, 2002 · N4253S · Skrsky S76A
  > ADF TRANSCEIVER HAS NO LOW BAND RECEPTION OR NEEDLE MOVEMENT. REPAIRED.
- [SDR HEEA080116](https://openairdocs.org/sdr/HEEA080116.md): Transceiver · inoperative · Jun 26, 2002 · N3893N · Bell 412
  > TRANSCEIVER INOPERATIVE. NO AUDIO AND WILL NOT POINT.
- [SDR HEEA080110](https://openairdocs.org/sdr/HEEA080110.md): Amplifier · inoperative · Jun 25, 2002 · N8045T · Bell 214ST
  > ADF AMPLIFIER INOPERATIVE.
- [SDR HEEA079916](https://openairdocs.org/sdr/HEEA079916.md): Transceiver · failed · Jun 25, 2002 · N4253S · Skrsky S76A
  > NO LOW BAND RECEPTION OR NEEDLE MOVEMENT.
- [SDR 482DM32702](https://openairdocs.org/sdr/482DM32702.md): Receiver · unreliable · Mar 29, 2002 · N482DM · Mtsbsi MU300
  > ADF INDICATOR INTERMITTENTLY WILL NOT LOCK ON SIGNAL, NEEDLE WOULD WANDER OFF STATION, THEN LOCK ON TO STATION. PILOT REPORTED THAT IT WAS UNRELIABLE.
- [SDR AUS20020211](https://openairdocs.org/sdr/AUS20020211.md): Light · unserviceable · Feb 23, 2002 · Cessna TR182
  > (AUS) ADF INTERNAL LIGHTS UNSERVICEABLE.
- [SDR HEEA076962](https://openairdocs.org/sdr/HEEA076962.md): Transceiver · malfunctioned · Oct 30, 2001 · N2261D · Bell 412
  > WILL NOT PAINT AND NO AUDIO. REPLACED WITH SERVICEABLE PART.

Next page: https://openairdocs.org/jasc/3455/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 = '3455'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/jasc/3455/reports

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