# Service difficulty reports: Britten Norman BN-2B-20

A list on [Britten Norman BN-2B-20](https://openairdocs.org/model/britten-norman-bn-2b-20.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 2 · 59 reports

- [SDR HYIA20260508001](https://openairdocs.org/sdr/HYIA20260508001.md): Exhaust Pipe · broken · May 3, 2026 · N540BN · Bnorm BN2B20 · Engine Collector/Tailpipe/Nozzle
  > DURING PREFLIGHT THE PILOT NOTED THAT AN EXHAUST PIPE ON THE RIGHT ENGINE WAS CRACKED, WHICH CAUSED DAMAGE TO THE ENGINE COWLING. MAINTENANCE REPLACED THE RIGHT ENGINE CROSSOVER EXHAUST PIPE AND REPAIRED THE ENGINE COWLING WITH NO FURTHER DEFECTS NOTED.
- [SDR HYIA20211105001](https://openairdocs.org/sdr/HYIA20211105001.md): None · none · Nov 3, 2021 · N510BN · Bnorm BN2B20 · Engine (Turbine/Turboprop)
  > THE PILOT REPORTED DURING CRUISE THE RIGHT ENGINE RPM AND OIL PRESSURE NOTICEABLE GOING DOWN, WITH THE ENGINE GOING INTO A FEATHER. THE PILOT ELECTED TO SHUT DOWN THE ENGINE, RESULTING IN A SINGLE-ENGINE LANDING. MAINTENANCE INSPECTED AND FOUND THE CRANKSHAF
- [SDR HYIA20200110001](https://openairdocs.org/sdr/HYIA20200110001.md): Seal · unsecure · Jan 8, 2020 · N520BN · Bnorm BN2B20 · Flight Compartment Windows
  > PILOT REPORTED CRACKLING SOUND AND FAINT SMELL OF BURNING ON LANDING - THOUGHT TO BE COMING FROM THE RIGHT SIDE OF THE AIRCRAFT. MAINTENANCE INSPECTED ALL ELECTRICAL DEVICES AND WIRING BEHIND THE INSTRUMENT PANEL AND PERFORMED ENGINE RUNS WITH NO DEFECTS OR AD
- [SDR HYIA20191206001](https://openairdocs.org/sdr/HYIA20191206001.md): Ball Joint · worn · Dec 5, 2019 · N520BN · Bnorm BN2B20 · Propeller Controlling System
  > AFTER TAKE OFF WHILE REDUCING POWER TO CRUISE SPEED PILOT REPORTED LEFT ENGINE STOPPED REDUCING AT 2800-2900 RPM THE PILOT ELECTED TO RETURN TO THE FIELD. AFTER LANDING THE PILOT REPORTED THE LEFT PROPELLER GOVERNOR LINKAGE CAME OFF. MAINTENANCE INSPECTED AND
- [SDR HYIA20190717003](https://openairdocs.org/sdr/HYIA20190717003.md): Engine · shutdown · Jul 13, 2019 · N510BN · Bnorm BN2B20 · Engine (Reciprocating)
  > PILOT REPORTED ENGINE SHUT DOWN AND FEATHERED ON ITS OWN ON TAKE-OFF. MAINTENANCE INSPECTED THE LT AND RT ENGINE FUEL SYSTEM, INTAKE SYSTEM, IGNITION SYSTEM AND PROPELLER. PERFORMED LT AND RT ENGINE FULL POWER RUN UP SEVERAL TIMES WITH ALL PARAMETERS GOOD. NO
- [SDR 2019F00168](https://openairdocs.org/sdr/2019F00168.md): Impulse Coupling · broken · Mar 20, 2019 · N848MA · Bnorm BN2B20 · Magneto/Distributor
  > HARD START CONDITION ISOLATED TO BROKEN MAGNETO IMPULSE COUPLING. FLYWEIGHT BIAS SPRING FOUND TO HAVE BROKEN LOOSE FROM PAWL RIVET.
- [SDR HYIA20160711001](https://openairdocs.org/sdr/HYIA20160711001.md): Cylinder · failed · Jul 5, 2016 · N530BN · Bnorm BN2B20 · Engine (Reciprocating)
  > DURING INSPECTION OF RIGHT ENGINE AFTER FAILED ENGINE CHANGE FUNCTIONAL CHECK FLIGHT; MAINTENANCE NOTED LARGE AMOUNTS OF METAL IN OIL SAMPLES. FURTHER INVESTIGATION REVEALED DAMAGED SPARK PLUGS, PISTON, AND CYLINDER WALL AT THE NR 2 CYLINDER. DURING REMOVAL OF
- [SDR HYIA20160414001](https://openairdocs.org/sdr/HYIA20160414001.md): Crankshaft · damaged · Apr 7, 2016 · N510BN · Bnorm BN2B20 · Reciprocating Engine Power Section
  > PILOT REPORTED PARTIAL LOSS OF POWER IN FLIGHT ON RT ENG, ENGINE RUNNING ROUGH. AFTER BOTH ENGS FULL POWER FOR ABOUT 30 SECONDS, POWER CAME BACK. ENGS WERE BROUGHT BACK TO CRUISE & THE RT ENG BEGAN RUNNING ROUGH. PERFORMED A PRELIMINARY INSPECTION & FOUND M
- [SDR HYIA20151223004](https://openairdocs.org/sdr/HYIA20151223004.md): Caliper · faulty · Dec 17, 2015 · N530BN · Bnorm BN2B20 · Brake
  > PILOT REPORTED NO PRESS LT BRAKE. PERFORMED DETAILED INSPECTION ON LT BRAKE SYS & FOUND BOTH BRAKE CALIPERS MAKING A SQUEAKING SOUND & VERY SPONGY. R & R BOTH LT BRAKE CALIPERS & BLED SYS IAW MM SEC 2 9, OPERATIONALLY CHECKED GOOD.
- [SDR HYIA2015FA0000642](https://openairdocs.org/sdr/HYIA2015FA0000642.md): Axle · cracked · Nov 24, 2015 · N520BN · Bnorm BN2B20 · Main Landing Gear Strut/Axle/Truck
  > DURING OPERATOR RUTTING MAINTENANCE MECHANIC NOTICED UNUSUAL MARKS ON AXLE. THEN SENT TO NDT AND CRACK FOUND ON INNER AXLE.
- [SDR HYIA20151203001](https://openairdocs.org/sdr/HYIA20151203001.md): Axle · cracked · Nov 23, 2015 · N520BN · Bnorm BN2B20 · Main Landing Gear Strut/Axle/Truck
  > DURING INSPECTION, A CRACK WAS FOUND ON THE LT MLG AXLE. THE PART WAS REMOVED & SENT FOR NDT INSPECTION, WHERE THE CRACK WAS CONFIRMED.
- [SDR HYIA20150820002](https://openairdocs.org/sdr/HYIA20150820002.md): Caliper · leaking · Aug 14, 2015 · N540BN · Bnorm BN2B20 · Brake
  > PILOT REPORTED LT BRAKE FAILED. MX VISUALLY INSPECTED & FOUND THE OTBD BRAKE CALIPER LEAKING. R & R LT MLG OTBD CALIPER ASSEMBLY IAW MM CHAPTER 2.9. OPERATIONAL CHECKED GOOD.
- [SDR HYIA20150403001](https://openairdocs.org/sdr/HYIA20150403001.md): Caliper · failed · Apr 1, 2015 · N530BN · Bnorm BN2B20 · Brake
  > PILOT REPORTED RT BRAKE FAILURE. R & R THE CALIPER & LINING ON THE RT BRAKE & SERVICED SYS. OPERATIONALLY CHECKED IT WITH NO FURTHER DEFECT NOTED.
- [SDR HYIA20150311001](https://openairdocs.org/sdr/HYIA20150311001.md): Blower · burned out · Mar 6, 2015 · N510BN · Bnorm BN2B20 · Air Distribution Fan
  > PILOT REPORTED STRONG ODOR IN COCKPIT, POSSIBLY ELEC, INFLIGHT. PERFORMED VISUAL INSP ON ALL ACFT SYS & FOUND THE VENTILATION BLOWER BURNT OUT. THE ITEM WAS PLACED ON MEL.. PERFORMED A FULL POWER RUN UP WITH NO DISCREPANCIES NOTED. ITEM PLACED ON MEL UNTIL
- [SDR HYIA20141224002](https://openairdocs.org/sdr/HYIA20141224002.md): Brake Pads · worn · Dec 23, 2014 · N540BN · Bnorm BN2B20 · Brake
  > LEFT BRAKE INOPERATIVE, PEDAL TO THE FLOOR, BRAKE PAD VERY WORN. R & R LT OTBD BRAKE LININGS IAW MM CH 2 9. R & R LT OTBD BRAKE CALIPER IAW MM CH 2 9, SERVICED SYS AS REQUIRED. OPERATIONS CHECKED GOOD WITH NO FURTHER DEFECT NOTED.
- [SDR HYIA20141219002](https://openairdocs.org/sdr/HYIA20141219002.md): Caliper · defective · Dec 18, 2014 · N510BN · Bnorm BN2B20 · Brake
  > NO LT BRAKE ON LANDING. R & R THE LT OTBD BRAKE CALIPER ASSEMBLY IAW MM CHAPTER 2 9. OPERATIONS CHECKED SATISFACTORY WITH NO FURTHER DEFECTS NOTED.
- [SDR HYIA20141219001](https://openairdocs.org/sdr/HYIA20141219001.md): Brake Assy · defective · Dec 18, 2014 · N540BN · Bnorm BN2B20 · Brake
  > RIGHT MAIN OTBD TIRE LOCKS UP DURING NORMAL BRAKING. R & R THE RT MAIN OTBD BRAKE IAW MM SEC 2 9. OPERATIONS CHECKED SATISFACTORY WITH NO FURTHER DETAILS NOTED.
- [SDR HYIA20140415107](https://openairdocs.org/sdr/HYIA20140415107.md): Pump · weak · Apr 12, 2014 · N530BN · Bnorm BN2B20 · Engine Fuel Pump
  > DURING CLIMB THE PILOT REPORTED THE RT FUEL PRESS WOULD NOT REMAIN IN THE GREEN ARC. THE ENG DRIVEN FUEL PUMP WAS REPLACED & OPERATIONAL & LEAK CHECK WERE ACCOMPLISHED NO DEFECTS NOTED. THE ACFT WAS RELEASED FOR A FLIGHT CHECK & NO DISCREPANCY WAS REPORTED.
- [SDR AUS20040480](https://openairdocs.org/sdr/AUS20040480.md): Control Rod · corroded · Jun 2, 2004 · Bnorm BN2B20 · Elevator Control System
  > (AUS) ELEVATOR CONTROL ROD CORRODED ON INTERNAL THREADS. FOUND DURING INSPECTION IAW SB 303 AND AD/BN2/082.
- [SDR AUS20040292](https://openairdocs.org/sdr/AUS20040292.md): Controller · faulty · Feb 17, 2004 · Bnorm BN2B20 · Flight Controller
  > (AUS) AUTOPILOT BURNED OUT. ROLL SERVO ALSO BURNED OUT.
- [SDR AUS20031251](https://openairdocs.org/sdr/AUS20031251.md): Connector · corroded · Nov 28, 2003 · Bnorm BN2B20 · Navigation System Wiring
  > (AUS) COMPASS FLUX DETECTOR CONNECTOR CORRODED. SEE MDR 03/1246 FOR ASSOCIATED DEFECT.
- [SDR AUS20031246](https://openairdocs.org/sdr/AUS20031246.md): Servo · failed · Nov 28, 2003 · Bnorm BN2B20 · Autopilot System
  > (AUS) AUTOPILOT ROLL SERVO FAULTY.
- [SDR AUS20031183](https://openairdocs.org/sdr/AUS20031183.md): Alternator · failed · Nov 19, 2003 · Bnorm BN2B20 · DC Generator-Alternator
  > (AUS) RT ALTERNATOR FAILED.
- [SDR AUS20031148](https://openairdocs.org/sdr/AUS20031148.md): Pitot Tube · contaminated · Nov 11, 2003 · Bnorm BN2B20 · Pitot/Static System
  > (AUS) PITOT/STATIC SYSTEM CONTAMINATED WITH WATER.
- [SDR AUS20030836](https://openairdocs.org/sdr/AUS20030836.md): Pump · mismarked · Aug 12, 2003 · Bnorm BN2B20 · Fuel Boost Pump
  > (AUS) LT FUEL TRANSFER PUMP UNAPPROVED PART. PUMP HAD A LABEL ATTACHED STATING THE MANUFACTURER DOES NOT RECOMMEND USAGE IN AIRCRAFT APPLICATIONS. PUMP WAS SUPPLIED FROM VENDOR UNDER THE CORRECT PN 480500 BUT WAS ACTUALLY PN 476088. FURTHER INCORRECT PUMPS WE
- [SDR AUS20030635](https://openairdocs.org/sdr/AUS20030635.md): Ball Joint · broken · Jun 18, 2003 · Bnorm BN2B20 · Mixture Control
  > (AUS) RT ENGINE MIXTURE CONTROL BALL JOINT FAILED.
- [SDR AUS20021455](https://openairdocs.org/sdr/AUS20021455.md): Fuse · corroded · Dec 23, 2002 · Bnorm BN2B20 · DC Power Distribution System
  > (AUS) BUSBAR UNDERVOLTAGE FUSE F86 CORRODED AND BROKEN.
- [SDR AUS20021153](https://openairdocs.org/sdr/AUS20021153.md): Sleeve · split · Oct 11, 2002 · Bnorm BN2B20 · Aileron Control System
  > (AUS) LH AILERON CONTROL ROD SLEEVE SPLIT THROUGH TAPER PIN HOLE.
- [SDR AUS20021014](https://openairdocs.org/sdr/AUS20021014.md): Screw · missing · Sep 10, 2002 · Bnorm BN2B20 · Engine Cowling System
  > (AUS) LH ENGINE COWL SCREW MISSING. SCREW IS LOCATED ON THE FORWARD INBOARD SIDE OF THE LH COWL.
- [SDR AUS20020955](https://openairdocs.org/sdr/AUS20020955.md): Distributor · unserviceable · Aug 28, 2002 · Bnorm BN2B20 · Magneto/Distributor
  > (AUS) MAGNETO DISTRIBUTOR BLOCK BEARING LOOSE. MAGNETO CONTAMINATED WITH METAL DUE TO CONTACT BETWEEN DISTRIBUTOR GEAR ANDELECTRODES. SUSPECT FAILURE DUE TO APPLICATION OF GREASE PNO10-27165 TO THE DISTRIBUTOR GEAR SHAFT AND BLOCK BEARING.
- [SDR AUS20020754](https://openairdocs.org/sdr/AUS20020754.md): Magneto · faulty · Jul 17, 2002 · Bnorm BN2B20 · Magneto/Distributor
  > (AUS) NO2 ENGINE NO2 MAGNETO FAULTY. MAGNETO MODELS 10-349370-4 AND 10-349310-8.
- [SDR AUS20020676](https://openairdocs.org/sdr/AUS20020676.md): Drive Shaft · wrong part · Jun 16, 2002 · Bnorm BN2B20 · Engine Fuel Pump
  > (AUS) ENGINE FUEL PUMP DRIVE SHAFT INCORRECT ITEM. INVESTIGATION FOUNDTHAT THE DRIVE SHAFT WAS APPROXIMATELY 6.35MM (0.25IN) SHORTERTHAN NORMAL. THE INCORRECT DRIVE SHAFT HAD BEEN FITTED AT THE LAST OVERHAUL/REPAIR OF THE PUMP. PERSONNEL/MAINTENANCE ERROR. U
- [SDR AUS20020404](https://openairdocs.org/sdr/AUS20020404.md): Pump · wrong part · Apr 30, 2002 · Bnorm BN2B20 · Engine Fuel Pump
  > (AUS) AFTER ENGINE CHANGE AND DURING GROUND RUNS THE ENGINE FAILED WHEN THE BOOST PUMP WAS TURNED OFF. SUBSEQUENT INVESTIGATION FOUND THAT THE INCORRECT FUEL PUMP PN RG17980 WAS FITTED AT OVERHAUL IN LIEU OF PUMP PN RG17980D. BECAUSE THE INLET PORT IS ON THE
- [SDR AUS20020266](https://openairdocs.org/sdr/AUS20020266.md): Pipe · loose · Mar 15, 2002 · Bnorm BN2B20 · Engine Oil Distribution (Airframe Furnished)
  > (AUS) RH ENGINE CRANKCASE TO OIL COOLER PIPE LOOSE AND LEAKING. ENGINEHAD BEEN RECENTLY REPLACED. PERSONNEL/MAINTENANCE ERROR.
- [SDR AUS20020191](https://openairdocs.org/sdr/AUS20020191.md): Tappet · cracked · Mar 11, 2002 · Bnorm BN2B20 · Reciprocating Engine Power Section
  > (AUS) RH ENGINE NO6 CYLINDER INLET TAPPET AND NO4 CYLINDER EXHAUSTTAPPET BODIES CRACKED.
- [SDR AUS20011463](https://openairdocs.org/sdr/AUS20011463.md): Controller · faulty · Dec 28, 2001 · Bnorm BN2B20 · Autopilot System
  > (AUS) AUTOPILOT CONTROL PROGRAMMER FAULTY.
- [SDR AUS20010888](https://openairdocs.org/sdr/AUS20010888.md): Rod End · worn · Aug 5, 2001 · Bnorm BN2B20 · Elevator Tab Control System
  > (AUS) ELEVATOR TRIM TAB DRIVE ROD END WORN. INSPECTION FOUND THE LEFT THREADED LOCKNUT STRIPPED.
- [SDR AU010274](https://openairdocs.org/sdr/AU010274.md): Lever · loose · Mar 21, 2001 · Bnorm BN2B20 · Rudder Control System
  > (AUS) RUDDER CONTROL RT IDLER LEVER LOOSE AND CATCHING ON FUSELAGE FRAME OPENING.
- [SDR AU010160](https://openairdocs.org/sdr/AU010160.md): Hose · failed · Feb 23, 2001 · Bnorm BN2B20 · Engine Air Intake System
  > (AUS) NR 1 ENGINE INTAKE HOSE LOCATED BETWEEN THE AIR FILTER AND THE FCU COLLAPSED DUE TO LOOSE INNER SUPPORT WIRE.
- [SDR AU001097](https://openairdocs.org/sdr/AU001097.md): Pin · sheared · Nov 22, 2000 · Bnorm BN2B20 · Power Lever
  > (AUS) THROTTLE FRICTION ADJUSTMENT SHAFT SPLIT PIN SHEARED DURING FRICTION ADJUSTMENT. FOUND DURING INVESTIGATION OF EXCESSIVETHROTTLE FRICTION AND AD/BN-2/69. (X)
- [SDR AU990349](https://openairdocs.org/sdr/AU990349.md): Bolt · broken · Apr 13, 1999 · Bnorm BN2B20 · Wheel/Ski/Float
  > (AUS) LEFT MAIN LANDING GEAR INBOARD WHEEL ASSEMBLY BOLTS (2OFF3) BROKEN IN AN AREA APPROXIMATELY 1-2 THREADS ABOVE THE SHANK. WHEN THE WHEEL WAS DISASSEMBLED, THE THIRD BOLT WAS FOUND TO BE CRACKED.
- [SDR AU970545](https://openairdocs.org/sdr/AU970545.md): Camshaft · deteriorated · May 21, 1997 · Bnorm BN2B20 · Reciprocating Engine Power Section
  > (AUS) CAMSHAFT LOBE CASE HARDENING BREAKING DOWN - CRANKSHAFT GEAR ALSO HAD BREAKING DOWN OF THE CASE HARDENING
- [SDR AU970542](https://openairdocs.org/sdr/AU970542.md): Camshaft · damaged · May 19, 1997 · Bnorm BN2B20 · Reciprocating Engine Power Section
  > (AUS) CAMSHAFT LOBE CASE HARDENING DAMAGED
- [SDR AU970090](https://openairdocs.org/sdr/AU970090.md): Regulator · burnt · Feb 9, 1997 · Bnorm BN2B20 · DC Regulator
  > (AUS) RH ALTERNATOR VOLTAGE REGULATOR BURNT OUT DUE TO FAILURE OF THE DRIVER TRANSISTOR IN THE ALTERNATOR FIELD WINDING
- [SDR EY2R9601164](https://openairdocs.org/sdr/EY2R9601164.md): Bearing · corroded · Oct 1, 1996 · Bnorm BN2B20 · Propeller Assembly
  > CORROSION FOUND ON SPLIT BEARING.
- [SDR EY2R9601163](https://openairdocs.org/sdr/EY2R9601163.md): Hub · corroded · Oct 1, 1996 · Bnorm BN2B20 · Propeller Hub Section
  > CORROSION FOUND ON HUB.
- [SDR AU961051](https://openairdocs.org/sdr/AU961051.md): Gascolator · leaking · Jul 30, 1996 · Bnorm BN2B20 · Aircraft Fuel Distribution System
  > (AUS) RH ENGINE GASCOLATOR BOWL DISLODGED AND THE CLAMP SPRING ARM DISCONNECTED - FUEL LEAKING
- [SDR AU960861](https://openairdocs.org/sdr/AU960861.md): Motor · failed · Jun 21, 1996 · Bnorm BN2B20 · Cabin Compressor System
  > (AUS) AIRCONDITIONING SYSTEM DISCHARGE PIPE BURST - FAILURE WAS DUE TO FAILURE OF THE CONDENSER COOLING FAN MOTOR RESULTING IN AN INCREASE OF DISCHARGE PRESSURE
- [SDR AU960904](https://openairdocs.org/sdr/AU960904.md): Transmitter · faulty · Jun 14, 1996 · Bnorm BN2B20 · Fuel Quantity Sensor
  > (AUS) RH TIP TANK FUEL CONTENTS TRANSMITTER FLOAT MISSING - THE FLOAT RETAINING CLIP WAS STILL IN POSITION SUGGESTING THAT THE FLOAT HAD DISINTEGRATED
- [SDR AU960431](https://openairdocs.org/sdr/AU960431.md): Hose · faulty · Mar 28, 1996 · Bnorm BN2B20 · Engine Air Intake System
  > (AUS) RH ENGINE INDUCTION HOSE INTERNAL WIRE SEPARATING FROM HOSE - FOUND DURING INSPECTION IAW AD/BN2/57

Next page: https://openairdocs.org/model/britten-norman-bn-2b-20/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 aircraft_model_key = 'BN2B20'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/model/britten-norman-bn-2b-20/reports

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