# Service difficulty reports: Schweizer G-164B

A list on [Schweizer G-164B](https://openairdocs.org/model/schweizer-g-164b.md).

Newest first. General aviation reporting is voluntary.

- [SDR 2021FA0000168](https://openairdocs.org/sdr/2021FA0000168.md): Landing Gear · detached · Jun 11, 2021 · N48658 · Scwzer G164B · Main Landing Gear
  > AG CAT WAS MAKING ITS 8TH LANDING OF THE DAY WHEN SOON AFTER TOUCHDOWN, THE PILOT HEARD A LOUD BANG AND REALIZED HIS LEFT LANDING GEAR STRUT HAD BROKEN OFF CAUSING THE PLANE'S LEFT WING TO STRIKE THE GROUND CAUSING THE AIRCRAFT TO VEER OFF THE DIRT STRIP. PILO
- [SDR KGRGSW0320160573](https://openairdocs.org/sdr/KGRGSW0320160573.md): Line · cracked · May 4, 2016 · N8400K · Scwzer G164B · Hydraulic System, Main
  > RIGHT MLG HYDRAULIC FLUID LINE CRACKED AT B-NUT SLEEVE FOR ENGINE THROUGH FITTING. RT TUBE ASSEMBLY, PN A2526-4.
- [SDR 2015FA0000345](https://openairdocs.org/sdr/2015FA0000345.md): Indicator · false indication · Jul 27, 2015 · N48687 · Scwzer G164B · Fuel Quantity Indicator
  > FUEL GAUGE WAS SHOWING MORE FUEL THEN WAS IN THE FUEL TANK.
- [SDR 2014FA0000235](https://openairdocs.org/sdr/2014FA0000235.md): Casting · cracked · Apr 4, 2014 · N8400K · Scwzer G164B · Main Landing Gear Attach Section
  > DURING TAXI FOR TAKOFF, THE RT MAIN LANDING GEAR ASSY CASTING CRACKED AND BROKE IN TWO PIECES RESULTING IN THE PROPELLER STRIKING THE GROUND. THE CASTING SHOWS SIGNS OF SUBSURFACE CORROSION AND STRESS CRACKS ON BOTH PIECES.
- [SDR CA110720005](https://openairdocs.org/sdr/CA110720005.md): Engine · power loss · Jul 9, 2011 · Scwzer G164B · Engine (Turbine/Turboprop)
  > (CAN) ACCIDENT AFTER T/O FOR AERIAL APPLICATION, THE ENGINE LOST POWER AND A FORCED LANDING WAS MADE IN A FIELD DURING WHICH THE A/C FLIPPED OVER. THE PILOT WAS NOT INJURED BUT THE A/C WAS SUBSTANTIALLY DAMAGED.
- [SDR 2010FA0000510](https://openairdocs.org/sdr/2010FA0000510.md): Wheel Half · sheared · May 21, 2010 · N3633C · Scwzer G164B · Wheel/Ski/Float
  > WHEEL ASSY INNER FLANGE FAILED INFLT. FLANGE BROKE INTO SEVERAL PIECES. TIRE (TUBE TYPE) PUSHED INWARD & PUSHING THE FLANGE PIECES INTO BRAKE ROTOR & DEPRESSED THE CALIPER PISTON. DURING FLT, PILOT NOTICED RT BRAKE PEDAL FELT LOCKED & FLUID LEAKING FROM RT
- [SDR 2009FA0000394](https://openairdocs.org/sdr/2009FA0000394.md): Cylinder Head · cracked · May 11, 2009 · N8080K · Scwzer G164B · Reciprocating Engine Cylinder Section
  > AFTER LOADING UP WITH RICE THE ACFT WAS TAKING OFF WHEN THE PILOT REPORTED A LOUD BANG AND THE ENGINE LOST POWER. THE PILOT DUMPED HIS LOAD AND MADE AN EMERGENCY LANDING IN THE FIELD STRAIGHT AHEAD BUT THE RT MLG HIT A BURM AND FLIPPED THE ACFT OVER. THE ACFT
- [SDR 2008FA0000379](https://openairdocs.org/sdr/2008FA0000379.md): Spar · corroded · May 30, 2008 · N3628D · Scwzer G164B · Rudder, Spar/Rib
  > FOUND EXTERNAL CORROSION ON RUDDER MAIN TUBULAR SPAR APPROXIMATELY (2) INCHES ABOVE RUDDER CONTROL HORN. POST WAS SEVERELY CORRODED WITH HOLES THRU TUBE. AD 78-08-09 ADDRESSES THIS PROBLEM BUT NOT FOR THIS MODEL AIRCRAFT. (K)
- [SDR 2007FA0000622](https://openairdocs.org/sdr/2007FA0000622.md): Gear · sheared · Jun 11, 2007 · N48429 · Scwzer G164B · Turbine Engine Oil System
  > THE COMPRESSOR SEAL WAS LEAKING AND THE REAR SCAVENGE PUMP GEAR SHEARED OFF CAUSING IT TO FAIL. THIS CAUSED MAJOR OIL LOSS AND THE PROP TO FEATHER. HAVE REPLACED THE COMPRESSOR SEAL AND REAR PUMP TO PREVENT RECURRENCE. (K)
- [SDR 2007FA0000621](https://openairdocs.org/sdr/2007FA0000621.md): Seal · leaking · Jun 11, 2007 · N48429 · Scwzer G164B · Turbine Engine Oil System
  > THE COMPRESSOR SEAL WAS LEAKING AND THE REAR SCAVENGE PUMP GEAR SHEARED OFF CAUSING IT TO FAIL. THIS CAUSED MAJOR OIL LOSS AND THE PROP TO FEATHER. HAVE REPLACED THE COMPRESSOR SEAL AND REAR PUMP TO PREVENT RECURRENCE. (K)
- [SDR SEA04LA125](https://openairdocs.org/sdr/SEA04LA125.md): Cylinder · cracked · Jul 15, 2004 · N7502Y · Scwzer G164B · Reciprocating Engine Cylinder Section
  > CYLINDER SEPARATED BETWEEN 2ND AND 3RD HORIZONTAL FINS THROUGH THE SPARK PLUG BOSS. ENGINE LOST POWER AND THE AIRCRAFT NOSED OVER ON EMERGENCY LANDING CAUSING SUBSTANTIAL DAMAGE. THIS CYLINDER HAD BEE OVERHAULED THREE PREVIOUS TIMES.
- [SDR 2002FA0001350](https://openairdocs.org/sdr/2002FA0001350.md): Wire · failed · Nov 18, 2002 · N7502A · Scwzer G164B · Landing Gear Retraction/Extension System
  > LANDING WIRE SEPARATED IN FLIGHT ON RT WING. AIRCRAFT RETURNED FOR LANDING. RT WING SETTLED TO RUNWAY AS AIRCRAFT SLOWED. WIRE APPEARS TO HAVE SMALL ELECTRICAL ARC AT FAILURE POINT THAT COULD HAVE CREATED AS STRESS RISER OCCURRENCE ON 8/28/2002.
- [SDR 2002FA0000781](https://openairdocs.org/sdr/2002FA0000781.md): Rocker Shaft · departed · Jun 1, 2002 · N48485 · Scwzer G164B · Reciprocating Engine Cylinder Section
  > WHILE FLYING, NR 3 ROCKER SHAFT ON EXHAUST VALVE EXITED THE AIRCRAFT CAUSING THE ENGINE TO LOSE POWER. AIRCRAFT MADE A FORCED LANDING INTO A PLOWED FIELD CAUSING THE AIRCRAFT TO FLIP OVER. THE ENGINE HAD 185 HOURS SINCE OVERHAUL, PART COULD NOT BE FOUND, BUT
- [SDR 20001222SH010](https://openairdocs.org/sdr/20001222SH010.md): Pushrod Tube · broken · Dec 5, 2000 · N3629D · Scwzer G164B · Reciprocating Engine Cylinder Section
  > AIRCRAFT WAS BEING TEST RUN FOLLOWING ENGINE FAILURE. UPON RUN-UP, ENGINE STARTING MISSING AND WOULD NOT HOLD RPM OVER 600. AIRCRAFT WAS SHUT DOWN. ALL ROCKER BOX COVERS WERE PULLED AND INSPECTION REVEALED THE NR 3 CYLINDER EXHAUST ROCKER PLAY WOULD GO FROM
- [SDR 2001FA0000321](https://openairdocs.org/sdr/2001FA0000321.md): Fuel Tank · contaminated · Nov 22, 2000 · Scwzer G164B · Fuel Storage
  > WATER ACCUMULATING IN FUEL TANKS WITH NO QUICK DRAINS. TT 700 TO 900 HOURSPLUS CORROSION.
- [SDR 20000802SH021](https://openairdocs.org/sdr/20000802SH021.md): Cylinder · cracked · Jul 17, 2000 · N7502Y · Scwzer G164B · Reciprocating Engine Cylinder Section
  > THE NUMBER SEVEN CYLINDER HEAD IS CRACKED STARTING AT THE FORWARD SPARK PLUG BOSS RADIATING UP OVER THE TOP OF THE HEAD AND STOPS AT THE AFT SPARK PLUG BOSS. THE CRACK IS OPEN TO AS MUCH AS.0625 INCH, AND EXHAUST GAS RESIDUE IS PRESENT. TOTAL TIME OF CYLIND
- [SDR 99ZZZX2780](https://openairdocs.org/sdr/99ZZZX2780.md): Spar · cracked · Jun 29, 1999 · N8137K · Scwzer G164B · Wing Spar
  > REMOVED UPPER WINGS TO FACILITATE HOPPER REMOVAL. FOUND BOTH LEFT AND RIGHT UPPER WING REAR SPARS CRACKED AT ATTACH POINT IN UPPER RADIUS BETWEEN BOLT HOLE AND UPPER FLANGE OF SPAR. CRACKS ARE APPROXIMATELY.25 INCH LONG AND RAN UNDER MILLED FITTINGS, P/N'S
- [SDR 99ZZZX2779](https://openairdocs.org/sdr/99ZZZX2779.md): Spar · cracked · Jun 29, 1999 · N8137K · Scwzer G164B · Wing Spar
  > REMOVED UPPER WINGS TO FACILITATE HOPPER REMOVAL. FOUND BOTH LEFT AND RIGHT UPPER WING REAR SPARS CRACKED AT ATTACH POINT IN UPPER RADIUS BETWEEN BOLT HOLE AND UPPER FLANGE OF SPAR. CRACKS ARE APPROXIMATELY.25 INCH LONG AND RAN UNDER MILLED FITTINGS, P/N'S
- [SDR 99ZZZX718](https://openairdocs.org/sdr/99ZZZX718.md): Post · corroded · Dec 7, 1998 · N3633Q · Scwzer G164B · Rudder Structure
  > INSPECTION OF RUDDER REVEALED SEVERE RUST CORROSION ON THE EXTERIOR OF THE LOWER RUDDER POST. SCHWEIZER SB'S 61, 88, AND AD 78-08-09 CALL FOR INSPECTION OF RUDDER POST IN THIS AREA. SUBMITTER RECOMMENDATION IS THAT AN INSPECTION BE CALLED FOR ON ALL G-164 SE
- [SDR 98ZZZX2704](https://openairdocs.org/sdr/98ZZZX2704.md): Cam Ring · worn · Jul 1, 1998 · N8116K · Scwzer G164B · Reciprocating Engine Power Section
  > ENGINE O/H FACILITY NOTIFIED OWNERS OF SPECIFIC ENGINES WITH A HIGH POSSIBILITY OF DEFECTIVE CAM ROLLERS AND AXLES THAT HAD BEEN INSTALLED WITH A HIGH INCIDENT OF FAILURE RATES. UPON DISASSEMBLY OF ENGINE, IT BECAME APPARENT THAT THIS ENGINE, INDEED, HAD DEFE
- [SDR 98ZZZX184](https://openairdocs.org/sdr/98ZZZX184.md): Roller · spalled · Dec 16, 1997 · Scwzer G164B · Reciprocating Engine Power Section
  > AT THE TIME OF ROUTINE MAINTENANCE, METAL WAS DISCOVERED IN THE OIL SCREEN AND FILTER AND ALSO THE CHIP DETECTOR LIGHT CAME ON. UPON INSPECTION, FOUND THE VALVE TAPPET ROLLERS SPALLING.
- [SDR 97ZZZX3192](https://openairdocs.org/sdr/97ZZZX3192.md): Link Rod · failed · Jul 6, 1997 · N6633K · Scwzer G164B · Reciprocating Engine Power Section
  > DURING AERIAL APPLICATION OPERATIONS, NR 9 CYLINDER CONNECTING ROD FAILED AT MASTER ROD CONNECTION PIN. SEVERE IMPACT DAMAGE TO ROD. PISTON CONTACTED CYLINDER HEAD WHICH BROKE INTO 3 PIECES. CAUSE OF FAILURE UNKNOWN AT THIS TIME.
- [SDR 97ZZZX2932](https://openairdocs.org/sdr/97ZZZX2932.md): Bolt · failed · Jun 1, 1997 · N8097K · Scwzer G164B · Main Landing Gear Attach Section
  > PILOT WAS MAKING A TURN FOR TAKEOFF WITH A LOAD OF FERTILIZER WHEN LEFT GEAR COLLAPSED CAUSING DAMAGE TO PROPELLER AND LANDING GEAR BEAM, BRACKET ASSY, PN A1322-001, AND STUD ASSY, PN A1518-111. CAUSE WAS SUSPECT DUE TO THE HEAD OF THE REAR BOLT, PN MS20009-1
- [SDR CA970421094](https://openairdocs.org/sdr/CA970421094.md): Shaft · damaged head · Apr 10, 1997 · Scwzer G164B · Propeller Hub Section
  > (CAN) COUTERWEIGHT SHAFT HEAD DAMAGED DUE TO CONTACTING LOW PITCH STOP NUT. COUTERWEIGHT SHAFT WAS REPLACED AND A LOW PITCH STOP SPACER WAS INSTALLED, AS PER STA SP93-1, TO ELIMINATE THE PROBLEM.
- [SDR CA970421082](https://openairdocs.org/sdr/CA970421082.md): Blade · stone damage · Apr 10, 1997 · Scwzer G164B · Propeller Blade Section
  > (CAN) STONE DAMAGE ON THE LEADING EDGE REQUIRED FILLING AND STONE DAMAGE ON THE FACE REQUIRED GRINDING.
- [SDR 97ZZZX519](https://openairdocs.org/sdr/97ZZZX519.md): Cylinder · cracked · Oct 15, 1996 · N54229 · Scwzer G164B · Reciprocating Engine Cylinder Section
  > ENGINE LOST POWER IN-FLIGHT. INVESTIGATION REVEALED THAT THE EXHAUST ROCKER HOUSING WAS CRACKED ON THE NR 7 CYLINDER.
- [SDR 96ZZZX5241](https://openairdocs.org/sdr/96ZZZX5241.md): Flying Wire · broke · Sep 21, 1996 · N3629K · Scwzer G164B · Wing Structure
  > WIRE BROKE 10 INCHES FROM WING ATTACH (BROKE FROM TOP TO BOTTOM). PART APPEARS TO HAVE BEEN CRACKED ONE-HALF THROUGH FOR SOME TIME PRIOR TO FAILURE.
- [SDR 95ZZZX4582](https://openairdocs.org/sdr/95ZZZX4582.md): Bearing · failed · Aug 9, 1995 · N6771Q · Scwzer G164B · Power Recovery Turbine
  > ENGINE EXPERIENCED TOTAL LOSS OF POWER SHORTLY AFTER TAKEOFF. AIRCRAFT CRASHED. NO INJURY TO PIC, AIRCRAFT INCURRED SUBSTANTIAL DAMAGE. SUBSEQUENT INSPECTION DISCLOSED THE FAILURE OF THE THREE SUPERCHARGER IMPELLER SUPPORT BEARINGS, PN 12768. TWENTY-NINE D
- [SDR 95ZZZX2998](https://openairdocs.org/sdr/95ZZZX2998.md): Cooler · seam split · May 2, 1995 · N8499K · Scwzer G164B · Engine Oil Cooler
  > OIL COOLER SPLIT THE SEAM WELD ON TAKEOFF. PILOT NOTED LOSS OF TORQUE PSI IMMEDIATELY FOLLOWED BY ILLUMINATION OF LOW OIL PSI LIGHT. PILOT DUMPED LOAD AND MADE AN EMERGENCY LANDING. NEW OIL COOLER INSTALLED AND SPLIT THE SEAM WELD DURING START. SUSPECTED A
- [SDR 95ZZZX3618](https://openairdocs.org/sdr/95ZZZX3618.md): Bellcrank · bushing loose · Mar 16, 1995 · N7503L · Scwzer G164B · Aileron Control System
  > AILERON BELLCRANK ASSY. AD 82-13-06 APPLIES TO THIS PROBLEM, BUT DOES NOT INCLUDE THIS SERIAL NUMBERED AIRCRAFT. SUBMITTER SUGGESTS AD SHOULD READ (SN 1B AND UP).

## 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 = 'G164B'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/model/schweizer-g-164b/reports

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