# Service difficulty reports: Lycoming O-360-A1G6D

A list on [Lycoming O-360-A1G6D](https://openairdocs.org/engine/lycoming-o-360-a1g6d.md).

Newest first. General aviation reporting is voluntary.

- [SDR 2016FA0000371](https://openairdocs.org/sdr/2016FA0000371.md): Accumulator · failed · Aug 15, 2016 · N2007E · Beech 76 · Propeller Feathering/Reversing
  > WHILE INSTRUCTOR PILOT PERFORMED EMERGENCY PROCEDURE TRAINING, SHUT DOWN AND SECURED THE LEFT ENGINE. UPON ATTEMPTING TO RESTART THE ENGINE, THE LEFT PROPELLER WOULD NOT UN-FEATHER. LANDED WITHOUT INCIDENT. MAINTENANCE CREWS DISCOVERED THE LEFT PROPELLER UNFEA
- [SDR CA150327019](https://openairdocs.org/sdr/CA150327019.md): Seal · worn · Mar 27, 2015 · Beech 76 · Landing Gear Actuator
  > (CAN) DURING FLIGHT, PILOT REPORTED LANDING GEAR NOT EXTENDING, EMERGENCY EXTENSION CARRIED OUT SATISFACTORY. UPON INSPECTION FOUND HYDRAULIC LEAK AT NLG ACTUATOR, ACTUATOR INSPECTED AND FOUND O-RING UNSERVICEABLE, ACTUATOR SERVICED AND INSTALLED, GEAR SWING
- [SDR 2012FA0000463](https://openairdocs.org/sdr/2012FA0000463.md): Accumulator · empty · Jul 6, 2012 · N6704X · Beech 76 · Propeller Feathering/Reversing
  > THE RT PROPELLER ACCUMULATOR WAS AT ZERO PSI AFTER LANDING. THE RT PROPELLER WAS UNABLE TO COME OUT OF FEATHERED POSITION IN FLIGHT.
- [SDR 2012FA0000138](https://openairdocs.org/sdr/2012FA0000138.md): Landing Gear · failed · Jan 19, 2012 · N6045M · Beech 76 · Nose/Tail Landing Gear
  > ACFT SUFFERED 2 NOSE GEAR FAILURES IN JUST OVER A ONE YEAR PERIOD. FIRST FAILURE OCCURED 6/2/2010 AND SECOND OCCURED ON 1/19/2012.
- [SDR 2010FA0001067](https://openairdocs.org/sdr/2010FA0001067.md): Muffler · unserviceable · Sep 8, 2010 · N6011U · Beech 76 · Engine Noise Suppressor
  > BAFFLE PLATE IN LT MUFFLER APPEARED TO BE OUT OF POSITION WHEN INSPECTED BY SHINING A FLASHLIGHT UP THE TAILPIPE. ON REMOVAL, IT WAS FOUND THAT THE BAFFLE PLATE WAS CRACKED AND WARPING IN A MANNER THAT COULD HAVE CREATED A SIGNIFICANT BLOCKAGE IN THE FLOW OF
- [SDR CA071214011](https://openairdocs.org/sdr/CA071214011.md): Bolt · missing · Dec 14, 2007 · Beech 76 · Landing Gear Doors
  > (CAN) PILOT NOTICED ON PRE-FLIGHT, ABNORMAL ANGLE OF GEAR DOOR. IT WAS DISCOVERED THAT THE BOLT SECURING THE DOOR WAS MISSING. THIS STRESSED THE AFT BRACKET TO THE POINT OF CRACKING WHICH ALSO CAUSED THE DOOR TO CRACK ALONG THE BOLT HOLES. (TC NR 20071214011)
- [SDR CA070621003](https://openairdocs.org/sdr/CA070621003.md): Frame · separated · Jun 20, 2007 · Beech 76 · Wing Spar
  > (CAN) DURING TAXI PILOTS FELT THE RT WING DROP SUDDENLY AND HEARD A TIRE SKIDDING SOUND. THEY IMMEDIATELY STOPPED THE AIRCRAFT. MECHANICS FOUND THE LANDING GEAR A-FRAME HAD BROKEN FREE FROM THE MAIN LANDING GEAR TRUNNION. THE LANDING GEAR DID NOT COLLAPSE BUT
- [SDR CA070621002](https://openairdocs.org/sdr/CA070621002.md): Motor · contaminated · Jun 16, 2007 · Beech 76 · Hydraulic System, Main
  > (CAN) DURING APPROACH, PILOTS SELECTED LANDING GEAR DOWN, GEAR MOTOR CIRCUIT BREAKER POPPED AND GEAR WOULD NOT EXTEND. AN EMERGENCY EXTENSION WAS CARRIED OUT SATISFACTORILY. AFTER RETURN TO BASE MECHANICS FOUND THAT THE HYDRAULIC MOTOR WAS CONTAMINATED WITH H
- [SDR CA070522006](https://openairdocs.org/sdr/CA070522006.md): Control Cable · frayed · May 20, 2007 · Beech 76 · Elevator Tab Control System
  > (CAN) AIRCRAFT WAS IN THE HANGER FOR INSPECTION. AN INSPECTION WAS BEING STARTED IN THE AFT TAIL AREA. THE AME APPRENTICE NOTICED THE ELEVATOR TRIM CABLE SEVERELY FRAYED WHERE IT WRAPPED AROUND THE TRIM SERVO. THE CABLE WAS REMOVED AND REPLACED WITH A NEW PART
- [SDR CA070129006](https://openairdocs.org/sdr/CA070129006.md): Connector · disconnected · Dec 21, 2006 · Beech 76 · Navigation System Wiring
  > (CAN) ADF INTERMITTENT NDB AND HEADING. AFTER SWAPPING RECEIVERS, ANTENNA, REPLACING ANTENNA TRAY AND CONNECTOR, REPLACING PINS IN RECEIVER TRAY, FOUND CO-AX CONNECTOR INNNER CORE TOUCHING SHIELDING AT RECEIVER TRAY. SNAG ONLY APPREARED WHEN WIRING HARNESS WAS
- [SDR 2007FA0000033](https://openairdocs.org/sdr/2007FA0000033.md): Starter · intermittent · Dec 19, 2006 · N60156 · Beech 76 · Engine Starter
  > REPEATED TRYS, BENDIX FAILED TO ENGAGE. LUBRICATED AND INSPECTED BENDIX, FAILS TO ENGAGE EVERY OTHER TIME. IT STARTS (1) TIME THEN FAILS. (K)
- [SDR CA061108006](https://openairdocs.org/sdr/CA061108006.md): Connector · contaminated · Nov 5, 2006 · Beech 76 · Navigation System Wiring
  > (CAN) DURING TRAINING IN IMC CONDITIONS, ATC REPORTED TO STUDENT THAT HE WAS WAY OFF TRACK, PILOT CONFIRMED THAT HSI SYSTEM HAD FAILED. AIRCRAFT RETURNED TO BASE WITH HELP FROM ATC WITH NO OTHER INCIDENCE. MAINTENANCE DUPLICATED DEFECT, HSI SYSTEM INSPECTED AN
- [SDR CA060410009](https://openairdocs.org/sdr/CA060410009.md): Channel · cracked · Apr 1, 2006 · Beech 76 · Fuselage Miscellaneous Structure
  > DISCOVERED DURING INSPECTION. NLG ACTUATOR ATTACH BRACKET WAS FOUND CRACKED FROM THE EDGE OF THE BRACKET, THROUGH A LIGHTENING HOLE AND OUT THE OTHER SIDE. THE AREA IS DIFFICULT TO INSPECT. THIS IS THE SUPPORT CHANNEL THAT THE UPPER END OF THE NLG ACTUATOR
- [SDR AU510001756](https://openairdocs.org/sdr/AU510001756.md): Piston Ring · deteriorated · Dec 12, 2005 · Beech 76 · Reciprocating Engine Cylinder Section
  > (AUS) ENGINE OIL FOUND TO BE VERY BLACK. INSPECTION FOUND THE PLASMA COATING ON THE TOP PISTON RINGS ON ALL FOUR CYLINDERS FRACTURED. (CASA NR 510001756)
- [SDR AU510001792](https://openairdocs.org/sdr/AU510001792.md): Piston Ring · delaminated · Dec 12, 2005 · Beech 76 · Reciprocating Engine Power Section
  > (AUS) ENGINE PISTON TOP COMPRESSION RINGS EXHIBITED SLIGHT SIGNS OF DELAMINATION. ENGINE OIL VERY DIRTY. PREMATURE WEAR ALSO FOUND ON EXHAUST VALVE ROTATING CAPS. (CASA NR 510001792)
- [SDR AU510002202](https://openairdocs.org/sdr/AU510002202.md): Plug · cracked · Dec 12, 2005 · Beech 76 · Landing Gear Actuator
  > (AUS) NOSE LANDING GEAR ACTUATOR END PLUG CRACKED IN AREA OF SPANNER FLATS. LOSS OF HYDRAULIC FLUID. (CASA NR 510002202)
- [SDR CA060509005](https://openairdocs.org/sdr/CA060509005.md): Powerpack · failed · May 17, 2005 · Beech 76 · Hydraulic System, Main
  > (CAN) LANDING GEAR FAILED TO EXTEND. CREW ACTIVATED EMERGENCY EXTENSION. STILL NO INDICATION ON RT GEAR POSITION. SWITCHED BULBS ON GEAR INDICATOR AND DISCOVERED ONE BULB U/S. LANDING CARRIED OUT NORMALLY. FOUND HYDRAULIC POWER PUMP MOTOR BRUSHES WORN. R
- [SDR AUS20040056](https://openairdocs.org/sdr/AUS20040056.md): Damper · faulty · Jan 23, 2004 · Beech 76 · Shimmy Damper
  > (AUS) NOSE WHEEL SHIMMY DAMPER END CAP RETAINING CIRCLIP MISSING.
- [SDR AUS20040033](https://openairdocs.org/sdr/AUS20040033.md): Motor · faulty · Jan 20, 2004 · Beech 76 · Landing Gear Retraction/Extension System
  > (AUS) LANDING GEAR HYDRAULIC PUMP ELECTRIC MOTOR FAULTY. INVESTIGATIONFOUND BROKEN WIRE IN THE MOTOR WINDINGS.
- [SDR AUS20030937](https://openairdocs.org/sdr/AUS20030937.md): Hub · unserviceable · Sep 15, 2003 · Beech 76 · Propeller Hub Section
  > (AUS) PROPELLER HUB DAMAGED IN AREA OF PRELOAD PLATE SHELF. PROPELLER HAD BEEN REMOVED AND DISMANTLED FOLLOWING GROUND STRIKE.
- [SDR AUS20030881](https://openairdocs.org/sdr/AUS20030881.md): Hinge · corroded · Sep 1, 2003 · Beech 76 · Rudder/Tab, Attach Fittings
  > (AUS) RUDDER HINGE BRACKET CORRODED (RUSTED).
- [SDR AUS20030783](https://openairdocs.org/sdr/AUS20030783.md): Actuator · cracked · Jul 21, 2003 · Beech 76 · Landing Gear Actuator
  > (AUS) NOSE LANDING GEAR ACTUATOR CRACKED AND LEAKING. INVESTIGATION FOUND A CRACK IN THE CYLINDER BODY END CAP THREAD ROOT LOCATED APPROXIMATELY THREE THREADS FROM THE SEALING CHAMFER.
- [SDR 2002FA0000981](https://openairdocs.org/sdr/2002FA0000981.md): Rod End Bearing · separated · Aug 13, 2002 · N66340 · Beech 76 · Reciprocating Engine Power Section
  > METAL CONTAMINATION FOUND IN SUCTION SCREEN AND FILTER. DISASSEMBLY OF ENGINE NOTED BABBIT SEPERATION FROM NR 1 ROD CAP BEARING SHELL. THE REMAINDER OF THE OTHER ROD BEARINGS SHOWED SIGNS OF STARTING TO SEPARATE.
- [SDR AUS20020303](https://openairdocs.org/sdr/AUS20020303.md): Current Limiter · failed · Mar 28, 2002 · Beech 76 · DC Power Distribution System
  > (AUS) PILOT EXPERIENCED COMPLETE LOSS OF ELECTRICAL POWER WHEN THE UNDERCARRIAGE WAS RETRACTED AFTER TAKE-OFF. INVESTIGATION FOUND THE BUS 1 AND 2 CURRENT LIMITERS BLOWN. FURTHER INVESTIGATION FOUND THE ALTERNATOR BLOCKING DIODE HAD AN UNSERVICEABLEINSULATOR T
- [SDR CA020313003](https://openairdocs.org/sdr/CA020313003.md): Brushes · worn · Mar 2, 2002 · Beech 76 · Hydraulic Pump (Electric/Engine), Main
  > (CAN) LANDING GEAR HYDRAULIC POWER PACK MOTOR DID NOT RUN. AIRCRAFT PUT ON JACKS & GEAR SELECTED UP, WITH A LIGHT TAP ON MOTOR GEAR RETRACTED NORMALLY WITHIN ALLOWABLE TIME LIMITS. SAME PROBLEM OCCURRED WHEN GEAR SELECTED BACK DOWN. INVESTIGATION REVEALED BRUS
- [SDR 2001FA0000392](https://openairdocs.org/sdr/2001FA0000392.md): Bearing · departed · Aug 16, 2001 · N6013M · Beech 76 · Engine Starter
  > IN STARTER DRIVE END CASTING, THE (FORWARD) BUSHING DEPARTED FROM THE CASTING THIS IS THE FORWARD PIVOT BUSHING/BEARING FOR THE BENDIX DRIVE SHAFT. 432.24 HOURS OF FLIGHT TRAINING, OVERHAULED BY MFG.
- [SDR CA010313017](https://openairdocs.org/sdr/CA010313017.md): Spark Plug · damaged · Feb 15, 2001 · Beech 76 · Cylinder Head Temperature (CHT) Indicating System
  > (CAN) IN CRUISE PILOT REPORT RT ENGINE SURGING, THEN COMPLETELY ROUGH RUNNING. ENGINE SHUTDOWN, AIRCRAFT LANDED SAFELY. COMPRESSION TEST REVEALED ONE WEAK CYLINDER 50/80 PSI. BOTH SPARK PLUGS IN THAT CYLINDER SHORTED DUE TO BEING PEENED OVER BY FOREIGN OBJECT
- [SDR CA010208012](https://openairdocs.org/sdr/CA010208012.md): Circuit Breaker · intermittent · Jan 17, 2001 · Beech 76 · Landing Gear Retraction/Extension System
  > (CAN) LANDING GEAR FAILED TO EXTEND WHEN GEAR SELECTED DOWN. GEAR WAS EXTENDED USING EMERGENCY PROCEDURES. AIRCRAFT WAS PUT ON JACKS HYDRAULIC POWER WOULD NOT RUN UNTIL CIRCUIT BREAKER WAS CYCLED.
- [SDR AU000727](https://openairdocs.org/sdr/AU000727.md): Carburetor · corroded · Sep 1, 2000 · Beech 76 · Fuel Control/Reciprocating Engines
  > (AUS) CARBURETOR FAULTY. INVESTIGATION FOUND STICKY NEEDLE AND SEAT ASSEMBLY, PLUNGER O''-RING FAULTY AND CORROSION ON THE INSIDE OF THE CARBURETOR COVER. (X)

## 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 engine_model_key = 'O360A1G6D'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/lycoming-o-360-a1g6d/reports

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