# Service difficulty reports: Lycoming O-360-A1F6

A list on [Lycoming O-360-A1F6](https://openairdocs.org/engine/lycoming-o-360-a1f6.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 2 · 89 reports

- [SDR CA101116019](https://openairdocs.org/sdr/CA101116019.md): Alternator · malfunctioned · Oct 29, 2010 · Cessna 177B · DC Generator-Alternator
  > AMMETER SHOWING DISCHARGE IN FLIGHT. ALTERNATOR REPLACED.
- [SDR CA100924008](https://openairdocs.org/sdr/CA100924008.md): Starter · weak · Sep 23, 2010 · Cessna 177B · Engine Starter
  > STARTER IS WEAK AND HAS SLOW CRANKING SPEED.
- [SDR CA100915001](https://openairdocs.org/sdr/CA100915001.md): Control Cable · broken · Sep 14, 2010 · Cessna 177B · Air Intake Anti/De-Ice System
  > CARB HEAT CONTROL CABLE BROKE WHERE IT ENTERS THE SHEATH. CABLE WAS REPLACED AND NO FURTHER ISSUES.
- [SDR CA090923001](https://openairdocs.org/sdr/CA090923001.md): Carburetor · malfunctioned · Sep 15, 2009 · Cessna 177B · Fuel Control/Reciprocating Engines
  > (CAN) CAUSES RPM TO STUMBLE AND DROPOFF GOING THROUGH 1500 RPM, POOR IDLE CUTOFF (TC# 20090923001)
- [SDR CA090812001](https://openairdocs.org/sdr/CA090812001.md): Air Box · cracked · Aug 7, 2009 · Cessna 177B · Engine Air Intake System
  > FOUND CRACKED IN TWO PLACES.
- [SDR CA090731002](https://openairdocs.org/sdr/CA090731002.md): Carburetor · malfunctioned · Jul 30, 2009 · Cessna 177B · Fuel Control/Reciprocating Engines
  > (CAN) ENG RPM FLUCTUATES AT 1500 RPM-MID RANGE MIXTURE THICK.
- [SDR 2009FA0000090](https://openairdocs.org/sdr/2009FA0000090.md): Line · cracked · Jan 20, 2009 · N30740 · Cessna 177B · Engine Oil Distribution (Airframe Furnished)
  > LINE CRACKED AT FWD FLARE AT STEEL NUT PN AN818-6, CAUSING LOSS OF ENGINE OIL. PREVIOUS MAINTENANCE FOR REPORTED OIL LEAK. REPLACED CRANKCASE SEAL. ENGINE RUN UP PERFORM, NO OIL LEAKS NOTED. ACFT RETURNED TO SERVICE. (K)
- [SDR CA070717011](https://openairdocs.org/sdr/CA070717011.md): Arm · bent · Jun 21, 2007 · Cessna 172N · Main Landing Gear Strut/Axle/Truck
  > (CAN) ON ROLL OUT AFTER LANDING THE RT MAIN LANDING GEAR COLLAPSED. INVESTIGATION FOUND THAT THE ACTUATING CYLINDER BENT (P/N D68194-A-4). FURTHER INVESTIGATION FOUND THE RETRACT ARM P/N 21A05000-016 HAD WORN ELONGATED BOLT HOLES NOT ALLOWING A DOWN LOCK OVER
- [SDR CA061108004](https://openairdocs.org/sdr/CA061108004.md): Hinge Bracket · cracked · Aug 28, 2006 · Cessna 177B · Elevator Structure
  > (CAN) RT STABILIZER HINGE BRACKET FOUND CRACKED AT FASTENER LOCATION. (TC NR 20061108004)
- [SDR AU510001969](https://openairdocs.org/sdr/AU510001969.md): Hub · corroded · Dec 12, 2005 · Grob G115C · Propeller Hub Section
  > PROPELLER HUB CORRODED BEYOND LIMITS INTERNALLY IN AREA LOCATED AROUND LOWER CONTROL ROD BORE BOSS.
- [SDR AU510002033](https://openairdocs.org/sdr/AU510002033.md): Tube · loose · Dec 12, 2005 · Reciprocating Engine Power Section
  > OIL TRANSFER TUBE LOOSE IN CRANKSHAFT. SUSPECT POOR QUALITY OF FLARING. INVESTIGATION FOUND TWO OTHER CRANKSHAFTS WITH THE SAME PROBLEM.
- [SDR AU510002055](https://openairdocs.org/sdr/AU510002055.md): Cover · cracked · Dec 12, 2005 · Grob G115C · Propeller Governor
  > (AUS) PROPELLER GOVERNOR CONTROL HEAD BROKEN AWAY IN AREA LOCATED BELOW THE LEVER RETURN SPRING. LOSS OF APPROXIMATELY 2 QUARTS OF OIL. (CASA NR 510002055)
- [SDR AU510002067](https://openairdocs.org/sdr/AU510002067.md): Metering Jet · mismanufactured · Dec 12, 2005 · Fuel Injector Nozzle
  > CARBURETOR JET INCORRECTLY MANUFACTURED. METERING HOLE MACHINED OUT OF ROUND. JET IS A NEW ITEM REMOVED FROM OVERHAUL KIT P/N 286-1670-F.
- [SDR AU510002072](https://openairdocs.org/sdr/AU510002072.md): Spring · worn · Dec 12, 2005 · Grob G115C · Propeller Blade Section
  > PROPELLER COARSE PITCH STOP P/N A2420-30 AND SPRING P/N A2213-1 WORN. SPRING WAS PREVENTED FROM RETURNING THE BLADES TO THE FINE PITCH POSITION AFTER SHUTDOWN.
- [SDR 2004FA0000068](https://openairdocs.org/sdr/2004FA0000068.md): Air Filter · mismanufactured · Jan 5, 2004 · N30695 · Cessna 177B · Engine Air Intake System
  > FACTORY NEW PART- SCREEN ATTACH TABS ARE BENT 90, AND SPOT WELDED ON TO SCREEN FRAME. WELDS DO NOT PENETRATE BASE MATERIAL. ATTACH TABS WORK LOOSE. HAVE FOUND THIS CONDITION 3 TIMES. SOME HAVE BEEN REPAIRED WITH SHEET METAL SCREWS. TABS SHOULD BE RIVETED
- [SDR CA030723004](https://openairdocs.org/sdr/CA030723004.md): Rotor · worn · Jul 16, 2003 · Cessna 177B · AC Generator-Alternator
  > (CAN) ALTERNATOR WAS REMOVED AT 225.9 HRS BECAUSE OF DECREASING OUTPUT & VOLTAGE AS ELECTRICAL LOAD WAS APPLIED. ON DISASSEMBLY, TWO DEFECTS WERE FOUND. THE ROTOR SHAFT BEARING JOURNAL AT THE DRIVE END WAS FOUND LOOSE TO THE BEARING BY ABOUT.080 INCHES, ALLO
- [SDR DLD2003F00000](https://openairdocs.org/sdr/DLD2003F00000.md): Shroud · failed · Jun 16, 2003 · N34229 · Cessna 177B · Engine Collector/Tailpipe/Nozzle
  > THE SCREEN THAT KEEPS FOREIGN MATERIAL FROM ENTERING CARBURETOR WHEN CARB HEAT IS ON. SPOT WELDS THAT HOLD SCREEN IN PLACE ARE COMING LOOSE AND LETTING SCREEN VIBRATE AND COME APART. THIS WOULD LET PIECES OF THE SCREEN GO INTO ENGINE WHEN CARB HEAT IS ON.
- [SDR CA030424005](https://openairdocs.org/sdr/CA030424005.md): Magneto · misoverhauled · Apr 14, 2003 · Cessna 177B · Magneto/Distributor
  > (CAN) MAGNETO FAILED ON LT PORTION (DUAL MAG) ON RUN UP. MAGNETO WAS REMOVED AND EXAMINED, BUT NO OBVIOUS DAMAGE OR FAILURE WAS EVIDENT. AS THE PART ONLY HAD 72.5 HOURS SINCE ENGINE WAS OVERHAULED. REPAIRED THE MAGNETO. WHEN I RECEIVED THE MAGNETO BACK AFTER
- [SDR AUS20030254](https://openairdocs.org/sdr/AUS20030254.md): Flapper Valve · separated · Feb 25, 2003 · Grob G115C · Engine Air Intake System
  > (AUS) CARBURETOR AIR BOX FLAPPER VALVE SEPARATED FROM SPINDLE SHAFTDUE TO WEAR.
- [SDR AUS20021342](https://openairdocs.org/sdr/AUS20021342.md): Mount · cracked · Nov 21, 2002 · Grob G115C · Engine Mount Section
  > (AUS) ENGINE MOUNT FRAME CRACKED IN TUBE SEGMENT ADJACENT TO THE RT LOWER AFT LORD MOUNT.
- [SDR CA020730006](https://openairdocs.org/sdr/CA020730006.md): Rotor · out of tolerance · Jul 29, 2002 · Cessna 177B · DC Generator-Alternator
  > (CAN) NEW ROTOR WAS INSTALLED AT OVERHAUL. AFTER 374 HRS, UNIT FAILED TO PRODUCE OUTPUT. ON DISASSEMBLY AND INSPECTION, ONE BRUSH WAS FOUND COMPLETELY WORN OUT, AND THE BRUSH SHUNT BRAIDED LEAD WAS CHAFED IN TWO. FOUND THAT THE SLIP RINGS ON THE ROTOR WERE OU
- [SDR AUS20011366](https://openairdocs.org/sdr/AUS20011366.md): Cap · dislodged · Nov 21, 2001 · Grob G115C · Elevator, Tab Structure
  > (AUS) ELEVATOR BALANCE HORN BLANKING CAP DISLODGED AND RESTRICTED ELEVATOR MOVEMENT. FOD.
- [SDR AUS20010877](https://openairdocs.org/sdr/AUS20010877.md): Hose · chafed · May 9, 2001 · Grob G115C · Air Distribution System
  > (AUS) AVIONICS COOLING SCAT HOSE CHAFED ON PRINTED CIRCUIT BOARD. HOSEINNER WIRE SHORT CIRCUITED CAUSING HOSE TO BURN.
- [SDR AU010228](https://openairdocs.org/sdr/AU010228.md): Cap · contaminated · Mar 13, 2001 · Grob G115 · Engine Fuel Pump
  > (AUS) ELECTRIC FUEL PUMP OUTLET T FITTING BLANKING CAP CONTAMINATED WITH SWARF. THE BLANKING CAPS ARE FITTED DURING MODIFICATION IAW EO E121-01 REV1.
- [SDR AU010214](https://openairdocs.org/sdr/AU010214.md): Spinner · debonded · Feb 23, 2001 · Grob G115 · Propeller Spinner Section
  > (AUS) PROPELLER SPINNERS (7OFF) FOUND TO HAVE DISBONDED OR POOR BONDING BETWEEN THE INTERNAL FORWARD SUPPORT BULKHEAD AND THE SPINNER WALL. THE SPINNERS WERE NEW ASSEMBLIES BEING INSPECTED ON RECEIPT FROM THE MANUFACTURER.
- [SDR 20001109SH014](https://openairdocs.org/sdr/20001109SH014.md): Cylinder · broken · Oct 30, 2000 · N13472 · Cessna 177B · Reciprocating Engine Cylinder Section
  > THE PUSH ROD TUBE RETAINER CLIPS, SL 14995, IN NR 2, NR 3, AND NR 4 VALVE COVERS WERE BROKEN OFF AT THE BOLT HEADS. DETECTION WAS DUE TO A DENT IN THE VALVE COVER OF NR 2 CYLINDER. SUBMITTER STATED IT APPEARED TO BE A MATERIAL DEFECT. (X)
- [SDR 20001109SH015](https://openairdocs.org/sdr/20001109SH015.md): Cylinder · broken · Oct 30, 2000 · N13472 · Cessna 177B · Reciprocating Engine Cylinder Section
  > THE PUSH ROD TUBE RETAINER CLIPS, PN SL14995, IN NR 2, NR 3, AND NR 4 VALVE COVERS WERE BROKEN OFF AT THE BOLT HEADS. DETECTION WAS DUE TO A DENT IN THE VALVE COVER OF NR 2 CYLINDER. SUBMITTER STATED IT APPEARED TO BE A MATERIAL DEFECT. (X)
- [SDR 20001109SH016](https://openairdocs.org/sdr/20001109SH016.md): Cylinder · broken · Oct 30, 2000 · N13472 · Cessna 177B · Reciprocating Engine Cylinder Section
  > THE PUSH ROD TUBE RETAINER CLIPS, PN SL14995, IN NR 2, NR 3, AND NR 4 VALVE COVERS WERE BROKEN OFF AT THE BOLT HEADS. DETECTION WAS DUE TO A DENT IN THE VALVE COVER OF NR 2 CYLINDER. SUBMITTER STATED IT APPEARED TO BE A MATERIAL DEFECT. (X)
- [SDR AU001014](https://openairdocs.org/sdr/AU001014.md): Connecting Rod · mismanufactured · Oct 18, 2000 · Grob G115C · Reciprocating Engine Power Section
  > (AUS) CONNECTING ROD BIGEND BOLT HOLES INCORRECTLY DRILLED. BOLT HOLESWERE DRILLED APPROXIMATELY TWO DEGREES OF CENTRE LINE RESULTING IN A TAPERING GAP OF 0.889MM (0.035IN). MANUFACTURING ERROR.
- [SDR AU000938](https://openairdocs.org/sdr/AU000938.md): Control Cable · failed · Sep 5, 2000 · Grob G115C · Mixture Control
  > (AUS) MIXTURE CONTROL CABLE FAILED AT SWAGED END FITTING.
- [SDR 20001019SH013](https://openairdocs.org/sdr/20001019SH013.md): Condenser · inoperative · Jul 11, 2000 · N34194 · Cessna 177B · Magneto/Distributor
  > THE AIRCRAFT MADE AN EMERGENCY LANDING IN A FIELD AFTER A LOSS OF ENGINE POWER. INSPECTION BY A MECHANIC REVEALED THE POINTS WERE BURNED AND THE CONDENSER WERE PART OF A NEWLY INSTALLED FACTORY REMANUFACTURED MAGNETO. THE POINTS AND CONDENSER WERE REPLACED,
- [SDR AU000181](https://openairdocs.org/sdr/AU000181.md): Pump · faulty · Mar 7, 2000 · Grob G115C · Fuel Control/Reciprocating Engines
  > (AUS) CARBURETTOR ACCELERATOR PUMP PLUNGER PIN SEPARATED.
- [SDR CA000224020](https://openairdocs.org/sdr/CA000224020.md): Cable · damaged · Feb 9, 2000 · Cessna 177B · Power Lever
  > (CAN) DURING APPROACH ENGINE POWER INCREASED. PILOT COULD NOT CNTL ENGINE WITH THROTTLE CNTL AND CARRIED OUT A MISSED APPROACH. ON A SUBSEQUENT APPROACH AND LANDING, PILOT USED MIXTURE CNTL TO SHUT DOWN ENGINE PRIOR TO TOUCHDOWN. A/C HAD TO BE TOWED FROM RU
- [SDR CA991229057](https://openairdocs.org/sdr/CA991229057.md): Coupling · failed · Dec 13, 1999 · Cessna 177B · Vacuum Distribution System
  > (CAN) DURING CRUISE FLIGHT, THE VACUUM SYSTEM FAILED. MAINTENANCE FOUND THE VACUUM PUMP FAILED AT THE DRIVE COUPLING.
- [SDR AU990976](https://openairdocs.org/sdr/AU990976.md): Skin · disbonded · Oct 4, 1999 · Grob G115C · Wing, Plate/Skin
  > (AUS) LEFT WING LOWER SKIN DISBONDED FROM REAR SPAR IN THE AREA ADJACENT TO THE AILERON OUTBOARD HINGE. DISBOND APPEARS TO ORIGINATE FROM THE OUTBOARD END IN THE AREA OF THE AILERON MASS BALANCE CUT-OUT ON THE WING.
- [SDR AU990980](https://openairdocs.org/sdr/AU990980.md): Pump · misinstalled · Aug 19, 1999 · Grob G115C · Vacuum Distribution System
  > (AUS) VACUUM PUMP LOOSE ON MOUNT. WHEN THE PUMP WAS REMOVED THE DRIVESHAFT WAS FOUND TO BE MISALIGNED CAUSING DAMAGE TO THE CAMSHAFT DRIVE GEAR. METAL CONTAMINATION OF THE ENGINE OIL SYSTEM. ENGINE WAS RECEIVED FROM THE GROB FACTORY WITH THE PUMP ALREADY FI
- [SDR CA990812005](https://openairdocs.org/sdr/CA990812005.md): Points · worn · Aug 2, 1999 · Cessna 177B · Magneto/Distributor
  > (CAN) ACCELERATED WEAR OF POINTS IN MAGNETO SUSPECTED BY OPERATOR.
- [SDR 99ZZZX2346](https://openairdocs.org/sdr/99ZZZX2346.md): Cylinder · cracked · Jun 11, 1999 · N67MM · Cessna 177B · Reciprocating Engine Cylinder Section
  > NR 2 CYLINDER DEVELOPED AN OIL LEAK DIAGNOSED AS A CRACK THROUGH THE CYLINDER CASTING IN THE AREA OF THE INTAKE VALVE SEAT. UPON REMOVING THE CYLINDER FOR EXCHANGE UNDER WARRANTY, THE EXHAUST AND INTAKE ROCKER ARMS WERE DISCOVERED SWAPPED AS DELIVERED FROM TH
- [SDR AU990416048](https://openairdocs.org/sdr/AU990416048.md): Blade · corroded · Apr 12, 1999 · Cessna 177B · Propeller Blade Section
  > (AU) PROPELLER RECEIVED FOR CORROSION INSPECTION. THE PROPELLER BLADES WERE FOUND CORRODED ON THE LEADING EDGES AND THE BUTTS. THIS PROPELLER WAS LAST INSPECTED ON 7 NOVEMBER 1990.
- [SDR CA990129008](https://openairdocs.org/sdr/CA990129008.md): Cylinder · worn · Jan 15, 1999 · Cessna 177B · Propeller Hub Section
  > (CAN) PROPELLER CYLINDER WORN BEYOND MANUFACTURER'S LIMITS.
- [SDR AU981574](https://openairdocs.org/sdr/AU981574.md): Bulkhead · cracked · Nov 24, 1998 · Grob G115C · Fuselage Main, Bulkhead
  > (AUS) FUSELAGE REAR BULKHEAD FRAME CRACKED AT JOINT. FOUND DURING INSPECTION IAW AD/GROBG115/13.
- [SDR AU981543](https://openairdocs.org/sdr/AU981543.md): Frame · cracked · Nov 23, 1998 · Grob G115C · Fuselage Main, Frame
  > (AUS) AFT FUSELAGE FRAME CRACKED ADJACENT TO HORIZONTAL STABILIZER AFT ATTACHMENT BOLT. SUSPECT EXCESSIVE TORQUE ON BOLT.
- [SDR AU981518](https://openairdocs.org/sdr/AU981518.md): Bulkhead · cracked · Nov 19, 1998 · Grob G115C · Fuselage Main, Bulkhead
  > (AUS) REAR BULKHEAD/FUSELAGE SHELL JOINT CRACKED. PART TC: 1,498.
- [SDR AU981502](https://openairdocs.org/sdr/AU981502.md): Frame · cracked · Nov 10, 1998 · Grob G115C · Fuselage Main, Bulkhead
  > (AUS) FUSELAGE FRAME (BULKHEAD) ADJACENT TO THE HORIZONTAL STABILIZER FORWARD ATTACHMENT POINT CRACKED AT FRAME TO FUSELAGE SHELL JOINT. PART TC: 129.
- [SDR AU981506](https://openairdocs.org/sdr/AU981506.md): Pump · faulty · Nov 10, 1998 · Grob G115C · Fuel Boost Pump
  > (AUS) ELECTRICAL FUEL PUMP FAULTY. PART TC:1,449.
- [SDR AU981446](https://openairdocs.org/sdr/AU981446.md): Floor Panel · cracked · Nov 9, 1998 · Grob G115C · Fuselage Floor Panel
  > (AUS) COCKPIT LT FLOOR PANEL CRACKED IN AREA ADJACENT TO THE RT RUDDER PEDAL. PART TC: 1,420.
- [SDR AU981445](https://openairdocs.org/sdr/AU981445.md): Bulkhead · cracked · Nov 6, 1998 · Grob G115C · Fuselage Main, Bulkhead
  > (AUS) FUSELAGE STRUCTURE CRACKED ON LT AND RT SIDES IN AREA ADJACENT TO THE FORWARD UPPER TAILPLANE ATTACHMENT AREA WHERE THE FUSELAGE SHELL JOINS THE BULKHEAD.
- [SDR AU981495](https://openairdocs.org/sdr/AU981495.md): Rib · cracked · Nov 3, 1998 · Grob G115C · Wing, Rib/Bulkhead
  > (AUS) LEFT WING RIB CRACKED ADJACENT TO THE MLG ATTACHMENT BRACKET. SUSPECT CAUSED BY HEAVY LANDING. PART TC: 1,598.
- [SDR AU981414](https://openairdocs.org/sdr/AU981414.md): Plug · worn · Oct 28, 1998 · Reciprocating Engine Cylinder Section
  > (AUS) NR 1 CYLINDER PISTON PIN PLUG WORN EXCESSIVELY. PART TC: 1,773.
- [SDR AU981501](https://openairdocs.org/sdr/AU981501.md): Rib · cracked · Oct 28, 1998 · Grob G115C · Wing, Rib/Bulkhead
  > (AUS) LEFT WING RIB CRACKED ADJACENT TO THE MLG ATTACHMENT BRACKET ON THE REAR END. SUSPECT CAUSED BY HEAVY LANDING. PART TC: 1,297.

Next page: https://openairdocs.org/engine/lycoming-o-360-a1f6/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 engine_model_key = 'O360A1F6'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/lycoming-o-360-a1f6/reports

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