# Service difficulty reports: Lycoming AEIO-540-D4D5

A list on [Lycoming AEIO-540-D4D5](https://openairdocs.org/engine/lycoming-aeio-540-d4d5.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 3 · 129 reports

- [SDR CA190611008](https://openairdocs.org/sdr/CA190611008.md): Inertia Reel · inoperative · Jun 11, 2019 · Grob G120A · Emergency Equipment
  > (CAN) SHOULDER HARNESS LOCK FAILED. INERTIA LOCK IS STILL FUNCTIONAL BUT THE MANUAL LOCK (FOR AEROBATIC FLIGHT) IS NOT WORKING. HARNESS ASSEMBLY REPLACED. (TC# 20190611008)
- [SDR CA190208015](https://openairdocs.org/sdr/CA190208015.md): Buckle · broken · Feb 8, 2019 · Grob G120A · Emergency Equipment
  > (CAN) DURING A 200 HR INSPECTION THE AME NOTICED THE SEAT BUCKLE PAD WAS SEPARATED FROM THE BUCKLE AFTER DISASSEMBLY IT WAS NOTICED THAT TWO OF THE 4 ATTACH SCREW HOLES HAD BEEN BROKEN FROM THE BACK OF THE BUCKLE A THIRD SCREW HOLE HAD NUMEROUS CRACKS THE SEAT
- [SDR CA160304010](https://openairdocs.org/sdr/CA160304010.md): Tension Spring · stiff · Mar 3, 2016 · Grob G120A · Rudder Control System
  > (CAN) PILOT REPORTED CONTROL STICK APPEARS EXCESSIVLY STIFF. THIS WAS DETECTED UPON ENTRY IN THE AIRCRAFT PRIOR TO FLIGHT. INSPECTION FOUND THAT THE FWD RUDDER AILERON COUPLING SPRING WAS BROKEN. BOTH SPRINGS REPLACED IAW MM 27-12 AND MSB 1121-074. NO DETECT
- [SDR 2015FA0000653](https://openairdocs.org/sdr/2015FA0000653.md): Ignition Switch · failed · Dec 16, 2015 · N864AF · Grob G120A · Ignition Switching
  > PILOT REPORTED SMOKE OUT OF IGNITION SWITCH DURING START UP. INVESTIGATION FOUND THE STARTER SWITCH HAD INTERNALLY ARCED ACROSS THE CONTACTS.
- [SDR CA151028005](https://openairdocs.org/sdr/CA151028005.md): Wire · shorted · Oct 27, 2015 · Grob G120A · AC Generator-Alternator
  > (CAN) ON FINAL APPROACH, THE ALT OFF RED ANNUNCIATOR ILLUMINATED. 5 SECONDS LATER THE Ï¿½VOLTÏ¿½ ANNUNCIATOR ILLUMINATED AS WELL. THE IP NOTED THAT THE BATTERY CURRENT DRAW WAS 63 AMPS. THE PILOT CONTINUED THE APPROACH WITH THE INTENTION TO LAND. THE CREW NO
- [SDR CA150527003](https://openairdocs.org/sdr/CA150527003.md): Spacer · defective · May 26, 2015 · Grob G120A · Wheel/Ski/Float
  > (CAN) AS ACFT STARTED TO TAXI, RUBBING NOISES HEARD FROM COCKPIT & TAXI WAS ABORTED. FOUND THE NOSE WHEEL TILTED OVER, RUBBING ON THE FORK ASSEMBLY. WHEEL & FORK ASSEMBLY WERE REPLACED. ENG & GEAR MOUNT INSPECTED, NO FURTHER DEFECTS FOUND. ACFT RETURNED TO
- [SDR CA150106003](https://openairdocs.org/sdr/CA150106003.md): Relay · damaged · Jan 2, 2015 · Grob G120A · DC Generating System
  > (CAN) AVIONICS BUSS 1 AND 2 CONTROL RELAYS FOUND TO BE WIRED INCORRECTLY FROM MANUFACTURE. WIRES FOR CONNECTION 85 WERE ON CONNECTION 86 AND WIRES FROM 86 WERE FOUND ON CONNECTION 85. RELAY INTERNAL DIODES WERE DAMAGED. WIRING CORRECTED AND RELAYS REPLACED.
- [SDR CA140521006](https://openairdocs.org/sdr/CA140521006.md): Wire Harness · broken · May 21, 2014 · Grob G120A · Flight Control System Wiring
  > (CAN) WIRE FOUND BROKEN DURING FLEET CAMPAIGN TO CHECK FOR BROKEN WIRES. FLAP OPERATED NORMALLY.
- [SDR CA140505011](https://openairdocs.org/sdr/CA140505011.md): Wire · broken · Apr 29, 2014 · Grob G120A · Flight Control System Wiring
  > (CAN) FLAP STUCK AT FULL FLAP. WOULD NOT MOVE UP OR DOWN. NO INDICATION IN COCKPIT. FOUND WIRE AT SYMMETRY SWITCH BROKEN. THE SYMMETRY UNIT MOVES WITH EACH CYCLE OF THE SYSTEM. THE WIRE GETS BENT EACH TIME EVENTUALLY CAUSING FAILURE AT THE TERMINAL END.
- [SDR CA130122003](https://openairdocs.org/sdr/CA130122003.md): Drive Assy · malfunctioned · Jan 21, 2013 · Grob G120A · Trailing Edge Flap Control System
  > (CAN) FLAP C/B POPPED OUT WHEN FLAPS SELECTED DOWN ON FINAL. C/B PUSHED BACK IN ON THE GROUND AND FLAPS WERE SELECTED DOWN, THEN UP AND C/B POPPED OUT AGAIN. WEATHER WAS -25C WHEN INCIDENT OCCURED. ACFT WAS ON FIRST FLIGHT AFTER MULTIPLE HOURS OF COLD-SOAKI
- [SDR CA130117012](https://openairdocs.org/sdr/CA130117012.md): Drive Assy · malfunctioned · Jan 17, 2013 · Grob G120A · Trailing Edge Flap Control System
  > (CAN) FLAP SYS VERY SLOW TO OPERATE IN COLD WEATHER, -20C. CURRENT INITIALLY READS 25 AMPS WHILE OPERATING, AFTER A COUPLE CYCLES IT STILL READS 18 AMPS AND SYS OPERATES AT ROUGHLY HALF SPEED. DISCONNECTED FLAP ACTUATORS AND FLEX SHAFTS IN SYS AND AMMETER ST
- [SDR CA120727003](https://openairdocs.org/sdr/CA120727003.md): Ignition Switch · smoke · Jul 26, 2012 · Grob G120A · Ignition Switching
  > (CAN) PILOT REPORTED SEEING SMOKE COMING FROM THE SWITCH ON START UP. ENGINE SHUTDOWN AND ACFT ROUTED TO MAINTENANCE. NO LOOSE WIRES OR CONNECTIONS FOUND AT SWITCH AREA. CAN SMELL BURNED ELECTRONICS INSIDE SWITCH. SWITCH REPLACED AND SYSTEM OPERATED NORMAL
- [SDR CA120607008](https://openairdocs.org/sdr/CA120607008.md): Actuator · malfunctioned · Jun 7, 2012 · Grob G120A · Landing Gear Actuator
  > (CAN) RT MLG DOWN LOCK INDICATOR SHOWED RED WITH GEAR HANDLE SELECTED IN THE DOWN POSITION. GEAR WAS NOT DOWN AND LOCKED. LANDING OCCURED WITHOUT INCIDENT. ACFT WAS TOWED TO HANGAR FOR TROUBLESHOOTING. MAINTENANCE TROUBLESHOT THE SYS AND FOUND THE RT MLG A
- [SDR CA120412003](https://openairdocs.org/sdr/CA120412003.md): Switch · failed · Apr 11, 2012 · Grob G120A · Trailing Edge Flap Control System
  > (CAN) FIRST ATTEMPT, FLAPS DIDNT RETRACT FROM TAKEOFF TO UP POSITION. SECOND ATTEMPT THEY WORKED FINE. 2ND OCCURANCE ON SAME FLIGHT, THE FLAPS DIDNT EXTEND TO TAKEOFF POSITION AND THE CIRCUIT BREAKER POPPED. REPLACED BOTH UP AND DOWN SWITCHES, ADJUSTED AND
- [SDR CA120322006](https://openairdocs.org/sdr/CA120322006.md): Drive Unit · malfunctioned · Mar 22, 2012 · Grob G120A · Trailing Edge Flap Control System
  > (CAN) FLAP C/B TRIPPED. FOUND FLAP DRIVE MOTOR CURRENT TO BE TOO HIGH WHEN CYCLING FLAPS, PARTICULARLY WHEN THE DRIVE MOTOR IS COOL OR COLD. MOTOR WAS ALSO MAKING GROANING SOUNDS WHEN OPERATING. FLAP DRIVE MOTOR SYSTEM FOUND TO BE PROBABLEMATIC IN COLD WEA
- [SDR CA120302002](https://openairdocs.org/sdr/CA120302002.md): Servo · malfunctioned · Feb 29, 2012 · Grob G120A · Elevator Tab Control System
  > (CAN) ELECTRIC TRIM KEPT RUNNING FOR 1-2 SECS AFTER RELEASING THE TRIM SWITCH AND KEPT RUNNING EVEN IF HOLDING THE TRIM DISCONNECT. FOUND ELEVATOR TRIM SERVO CLUTCH NOT DISENGAGING IMMEDIATELY ON ELEVATOR TRIM SERVO. REPLACED TRIM SERVO AND TESTED OPS.
- [SDR CA120203012](https://openairdocs.org/sdr/CA120203012.md): Switch · cracked · Feb 2, 2012 · Grob G120A · Trailing Edge Flap Control System
  > (CAN) FLAP CIRCUIT BREAKER POPPED. WHEN FLAPS WERE SELECTED UP, THE FLAPS WORKED FINE. FLAPS WORKED INTERMITTENTLY IN THE DOWNWARDS DIRECTION. REPLACED THE FLAP SELECTION SWITCH, DOWNWARD DIRECTION, AND THE SYS TESTED PROPERLY. MICROSWITCH HOUSING WAS FOUN
- [SDR CA120131011](https://openairdocs.org/sdr/CA120131011.md): Switch · malfunctioned · Jan 30, 2012 · Grob G120A · Trailing Edge Flap Control System
  > (CAN) FLAPS STUCK UP, CIRCUIT BREAKER TRIPPED TWICE. ON GROUND, SELECTING DOWN AND PUTTING IN THE CIRCUIT BREAKER STILL CAUSED BREAKER TO POP. REPLACED UPWARDS MICROSWITCH AND SYS WORKS PROPERLY.
- [SDR CA120118002](https://openairdocs.org/sdr/CA120118002.md): Drive Unit · failed · Jan 17, 2012 · Grob G120A · Trailing Edge Flap Control System
  > (CAN) FLAP SYSTEM CIRCUIT BREAKER POPPED WHEN FLAPS OPERATED. TROUBLESHOOTING SHOWED SYS DREW 18 AMPS WHEN COLD SOAKED, OAT -20C. AFTER BEING HEATED IN HANGAR FOR 4 HOURS, THE FLAP SYSTEM DREW 6 AMPS. WHEN COLD SOAKED, FLAP DRIVE UNIT ALONE DREW 15 AMPS.
- [SDR CA120113006](https://openairdocs.org/sdr/CA120113006.md): Tcas System · malfunctioned · Jan 11, 2012 · Grob G120A · Air Collision Avoidance System
  > (CAN) TRAFFIC AVOIDANCE SYSTEM NOT GOING FROM GROUND MODE TO AIR MODE AFTER TAKE- OFF. AIRCRAFT SYSTEM TESTED SERVICEABLE DURING GROUND TESTS.
- [SDR CA111213001](https://openairdocs.org/sdr/CA111213001.md): Wire · out of position · Dec 7, 2011 · Grob G120A · Light System Wiring
  > (CAN) WIRING TOUCHED THE EXHAUST MANIFOLD. SYS WAS SHORTING & CAUSED THE TAXI LIGHT CB TO POP. THE ROUTING OF THE WIRING & THE LOCATION OF THE TAXI & LANDING LIGHT CONNECTORS, 826884-2 & 826883-2, INSIDE THE COWL BY THE LIGHTS LOCATES THE CONNECTORS & WIRES
- [SDR CA111201006](https://openairdocs.org/sdr/CA111201006.md): Ignition Switch · malfunctioned · Nov 30, 2011 · Grob G120A · Ignition Switching
  > (CAN) WITH SWITCH IN "BOTH ON" POSITION, STARTER ENGAGES WHEN KEY IS TAPPED/BRUSHED. SWITCH REPLACED, NO FURTHER FAULTS FOUND. TOTAL STARTS ON SWITCH 87.
- [SDR CA111122005](https://openairdocs.org/sdr/CA111122005.md): Clamp · out of position · Nov 22, 2011 · Grob G120A · Electrical Power System Wiring
  > (CAN) THE UPPER AFT SCREW RETAINING PANEL 120A-2812 WAS FOUND TOUCHING A WIRING BUNDLE LOCATED BEHIND THE CENTER CONSOLE PANEL, 120A-2880. WE REPLACED AND REPOSITIONED THE CLAMP, RSGU 1.13/12-W5-SILICON, WITH CLAMP, RSGU-15/15-W6. THIS ALLOWED THE SCREW TO B
- [SDR CA111109008](https://openairdocs.org/sdr/CA111109008.md): Clamp · out of position · Nov 9, 2011 · Grob G120A · Electrical Power System Wiring
  > (CAN) THE UPPER AFT SCREW RETAINING PANEL 120A-2812 WAS FOUND TOUCHING A WIRING BUNDLE LOCATED BEHIND THE CENTER CONSOLE PANEL (120A-2880). REPLACED AND REPOSITIONED THE CLAMP (RSGU 1.13/12-W5-SILICON) WITH CLAMP (RSGU-15/15-W6). THIS ALLOWED THE SCREW TO BE
- [SDR CA111110003](https://openairdocs.org/sdr/CA111110003.md): Brake Pads · worn · Nov 8, 2011 · Grob G120A · Brake
  > (CAN) BRAKE PAD WEAR IS UNEVEN. THE TOP OF THE PADS IS WEARING AT TWICE THE RATE OF THE LOWER PART OF THE PADS. THE PROBLEM APPEARS TO BE THAT THERE IS NOT ENOUGH ROOM FOR THE PAD PRESSURE PLATE TO SLIDE ALONG THE BRAKE CALIPER ANCHOR BOLTS WHEN THE BRAKE CALI
- [SDR CA111028003](https://openairdocs.org/sdr/CA111028003.md): Ignition Switch · inoperative · Oct 28, 2011 · Grob G120A · Ignition Switching
  > (CAN) ACFT WOULD NOT START. REPLACED SWITCH AND ALL TESTED SERVICEABLE.
- [SDR CA111026009](https://openairdocs.org/sdr/CA111026009.md): Brake Pads · misinstalled · Oct 26, 2011 · Grob G120A · Brake
  > (CAN) BRAKE PAD WEAR IS UNEVEN. THE TOP OF THE PADS IS WEARING AT TWICE THE RATE OF THE LOWER PART OF THE PADS. THE PROBLEM APPEARS TO BE THAT THERE IS NOT ENOUGH ROOM FOR THE PAD PRESSURE PLATE TO SLIDE ALONG THE BRAKE CALIPER ANCHOR BOLTS WHEN THE BRAKE CAL
- [SDR CA111026008](https://openairdocs.org/sdr/CA111026008.md): Actuator · malfunctioned · Oct 25, 2011 · Grob G120A · Trailing Edge Flap Actuator
  > (CAN) WHEN FLAPS ARE SELECTED TO UP, LOUD SCREECHING AND HOWLING SOUNDS COMING FROM THE RT FLAP ACTUATOR. THIS HAPPENS ONLY AT THE LAST 4" OF TRAVEL IN THE UP DIRECTION.
- [SDR CA111003009](https://openairdocs.org/sdr/CA111003009.md): Vent Line · loose · Sep 29, 2011 · Grob G120A · Aircraft Fuel Distribution System
  > (CAN) PILOTS REPORTED FUEL ODOR IN COCKPIT. CHANGED FUEL VENT DRAINS THEN DISCOVERED LT FUEL VENT LINE HAD BEEN LOOSENED OFF DURING MX AND HAD NOT BEEN RETIGHTENED. ONCE RETIGHTENED FUEL SMELL DID NOT RE-OCCUR.
- [SDR CA110930005](https://openairdocs.org/sdr/CA110930005.md): Ignition Switch · failed · Sep 27, 2011 · Grob G120A · Ignition Switching
  > (CAN) DURING PRE-INSPECTION GROUND RUN, ENGINE WAS SHUTDOWN IAW CHECK, IGNITION KEY OFF AND MASTER OFF. WHEN POWER MASTER WAS RE-SELECTED ON, THE STARTER ENGAGED IMMEDIATELY WITH THE IGNITION KEY IN THE OFF POSITION. MASTER TURNED OFF AND CRANKING CEASED.
- [SDR CA110812005](https://openairdocs.org/sdr/CA110812005.md): Pump · failed · Aug 12, 2011 · Grob G120A · Engine Fuel Pump
  > FUEL PUMP WAS INSTALLED TO REPLACE ANOTHER PUMP WITH LOW IDLE PRESSURE. ON STARTUP FOR GROUND TEST, IT WAS NOTICED THAT THE PUMP HAD ZERO OUTPUT. ON REMOVAL FOR REPLACEMENT, IT WAS NOTED THAT THE DRIVE SHAFT WAS SHEARED. IT WAS THEN NOTICED THAT THE FITTING
- [SDR CA110811007](https://openairdocs.org/sdr/CA110811007.md): Pump · malfunctioned · Aug 11, 2011 · Grob G120A · Engine Fuel Pump
  > FUEL PUMP WAS INSTALLED TO REPLACE ANOTHER PUMP WITH LOW IDLE PRESSURE. ON STARTUP FOR GROUND TEST, IT WAS NOTICED THAT THE PUMP HAD ZERO OUTPUT. ON REMOVAL FOR REPLACEMENT, IT WAS NOTED THAT THE DRIVE SHAFT WAS SHEARED. IT WAS THEN NOTICED THAT THE FITTING
- [SDR 2011FA0000453](https://openairdocs.org/sdr/2011FA0000453.md): Pump · failed · Jul 9, 2011 · N862AF · Grob G120A · Engine Fuel Pump
  > PILOT REPORTED LOW FUEL PRESSURE AT 700 RPM, 10-12 PSI. INSTALLED ANOTHER PUMP RAN ACFT OPS CHECKED OK. NO PROBABLE CAUSE OR RECOMMENDATIONS AT THIS TIME.
- [SDR CA110412009](https://openairdocs.org/sdr/CA110412009.md): Wire · chafed · Apr 11, 2011 · Grob G120A · Instrument System Wiring
  > (CAN) MULTIPLE WIRES ON GROUND BLOCK MODULE VN220 BEHIND THE RT INTRUMENT PANEL WERE FOUND WITH ABRASION DAMAGE CAUSED BY CHAFING ON THE ENGINE INSTRUMENT DISPLAY. SEVERAL WIRES WERE FOUND WITH THE INSULATION DAMAGED THROUGH TO THE CONDUCTOR.
- [SDR CA110331027](https://openairdocs.org/sdr/CA110331027.md): Buss · intermittent · Mar 30, 2011 · Grob G120A · Instrument System Wiring
  > (CAN) BUSS MODULE HAD INTERMITTENT CONTACT CONNECTION. OCCURED ON TWO SEPARATE MODULES ON TWO DIFFERENT SYSTEMS. MODULE W21018 FOR ADF FLIGHT TIMER FAILED AT PIN "K". AIRTIME 13.2 HRS. MODULE W21040 FOR ELT FAILED. NO DETAILS. AIRTIME 24.8HRS. BOTH MODULE
- [SDR 2011FA0000148](https://openairdocs.org/sdr/2011FA0000148.md): Pump · leaking · Mar 3, 2011 · N863AF · Grob G120A · Engine Fuel Pump
  > MECHANIC PERFORMED A LEAK CHECK AFTER INSTALLING ENGINE DRIVEN FUEL PUMP ON THE ENGINE AND FOUND FUEL LEAKING FROM SHAFT DRIVE. NO PROBABLE CAUSE OR RECOMMENDATIONS AT THIS TIME.
- [SDR 2011FA0000149](https://openairdocs.org/sdr/2011FA0000149.md): Pump · failed · Mar 3, 2011 · N863AF · Grob G120A · Engine Fuel Pump
  > AFTER INSTALLING ENGINE DRIVEN FUEL PUMP ON THE ENG, MECHANIC WENT OUT TO PERFORM AN ENGINE OPS CHECK AND FOUND ENGINE WOULDN’T KEEP RUNNING UNLESS BOOST PUMP WAS IN THE ON POSITION. UPON TROUBLESHOOTING MECHANIC FOUND THE SHAFT WAS SHEARED ON THE FUEL PUMP.
- [SDR 2011FA0000144](https://openairdocs.org/sdr/2011FA0000144.md): Pump · leaking · Mar 2, 2011 · N867AF · Grob G120A · Engine Fuel Pump
  > MECHANIC WAS PERFORMING A POST MAINTENANCE CHECK ON AIRCRAFT AND NOTICED FUEL STAINS ON THE DOG HOUSE, MECHANIC THEN PERFORMED A LEAK CHECK AND FOUND FUEL LEAKING FROM VENT ON ADJUSTMENT COVER ON ENGINE DRIVEN FUEL PUMP. NO PROBABLE CAUSE OR RECOMMENDATIONS AT
- [SDR CA110225008](https://openairdocs.org/sdr/CA110225008.md): Circuit Breaker · failed · Feb 23, 2011 · Grob G120A · Electrical Power System Wiring
  > (CAN) PERFORMING AN AERO SEQUENCE, UPON INITIATING FINAL MANOUVER, SMOKE WAS DETECTED AND A SMALL AMOUNT SEEN BY PILOT, LT SEAT, COMING FROM THE CIRCUIT BREAKER PANEL AREA. THE ACFT RETURNED TO BASE WITHOUT INCIDENT. MAINTENANCE INVESTIGATION REVEALED THAT
- [SDR CA110225010](https://openairdocs.org/sdr/CA110225010.md): Manifold · failed · Feb 22, 2011 · Grob G120A · Hydraulic System, Main
  > (CAN) DURING APPROACH, LANDING GEAR FAILED TO DEPLOY. EMERGENCY SYSTEM ACTIVIATED. ACFT LANDED WFI. MAINTENANCE INSPECTION FOUND THAT THE LANDING GEAR EXTENSION SOLENOID, MAGNETIC SELECTOR VALVE, PART OF MANIFOLD, ON THE HYD SUPPLY MANIFOLD WAS UNSERVICEABL
- [SDR CA101021002](https://openairdocs.org/sdr/CA101021002.md): Washer · missing · Oct 20, 2010 · Grob G120A · Fuselage Miscellaneous Structure
  > DURING A 200 HR INSP ON 2 OTHER ACFT, MSB 1121-109/1 WAS BEING CARRIED OUT AS REQUIRED WHEN IT WAS NOTED THAT THE WASHERS WERE MISSING. THE MFG WAS CONTACTED AND DETERMINED THAT THIS WAS A NON CONFORMANCE TO THE TYPE CERTIFICATE. IT WAS DECIDED THAT THE REMA
- [SDR CA101021003](https://openairdocs.org/sdr/CA101021003.md): Washer · missing · Oct 20, 2010 · Grob G120A · Wing Miscellaneous Structure
  > DURING A 200 HR INSP ON 2 OTHER ACFT, MSB 1121-109/1 WAS BEING CARRIED OUT AS REQUIRED WHEN IT WAS NOTED THAT THE WASHERS WERE MISSING. THE MFG WAS CONTACTED AND DETERMINED THAT THIS WAS A NON CONFORMANCE TO THE TYPE CERTIFICATE. IT WAS DECIDED THAT THE REMAI
- [SDR CA101021006](https://openairdocs.org/sdr/CA101021006.md): Washer · missing · Oct 20, 2010 · Grob G120A · Wing Miscellaneous Structure
  > DURING A 200 HR INSP ON 2 OTHER ACFT, MSB 1121-109/1 WAS BEING CARRIED OUT AS REQUIRED WHEN IT WAS NOTED THAT THE WASHERS WERE MISSING. THE MFG WAS CONTACTED AND DETERMINED THAT THIS WAS A NON CONFORMANCE TO THE TYPE CERTIFICATE. IT WAS DECIDED THAT THE REMAI
- [SDR CA101021007](https://openairdocs.org/sdr/CA101021007.md): Washer · missing · Oct 20, 2010 · Grob G120A · Wing Miscellaneous Structure
  > DURING A 200 HR INSP ON 2 OTHER ACFT, MSB 1121-109/1 WAS BEING CARRIED OUT AS REQUIRED WHEN IT WAS NOTED THAT THE WASHERS WERE MISSING. THE MFG WAS CONTACTED AND DETERMINED THAT THIS WAS A NON CONFORMANCE TO THE TYPE CERTIFICATE. IT WAS DECIDED THAT THE REMAIN
- [SDR CA101021008](https://openairdocs.org/sdr/CA101021008.md): Washer · missing · Oct 20, 2010 · Grob G120A · Wing Miscellaneous Structure
  > DURING A 200 HR INSP ON 2 OTHER ACFT, MSB 1121-109/1 WAS BEING CARRIED OUT AS REQUIRED WHEN IT WAS NOTED THAT THE WASHERS WERE MISSING. THE MFG WAS CONTACTED AND DETERMINED THAT THIS WAS A NON CONFORMANCE TO THE TYPE CERTIFICATE. IT WAS DECIDED THAT THE REMA
- [SDR CA101021010](https://openairdocs.org/sdr/CA101021010.md): Washer · missing · Oct 20, 2010 · Grob G120A · Wing Miscellaneous Structure
  > DURING A 200 HR INSP ON 2 OTHER ACFT, MSB 1121-109/1 WAS BEING CARRIED OUT AS REQUIRED WHEN IT WAS NOTED THAT THE WASHERS WERE MISSING. THE MFG WAS CONTACTED AND DETERMINED THAT THIS WAS A NON CONFORMANCE TO THE TYPE CERTIFICATE. IT WAS DECIDED THAT THE REMA
- [SDR CA101021011](https://openairdocs.org/sdr/CA101021011.md): Washer · missing · Oct 20, 2010 · Grob G120A · Wing Miscellaneous Structure
  > DURING A 200 HR INSP ON 2 OTHER ACFT, MSB 1121-109/1 WAS BEING CARRIED OUT AS REQUIRED WHEN IT WAS NOTED THAT THE WASHERS WERE MISSING. THE MFG WAS CONTACTED AND DETERMINED THAT THIS WAS A NON CONFORMANCE TO THE TYPE CERTIFICATE. IT WAS DECIDED THAT THE REMA
- [SDR CA101021012](https://openairdocs.org/sdr/CA101021012.md): Washer · missing · Oct 20, 2010 · Grob G120A · Wing Miscellaneous Structure
  > DURING A 200 HR INSP ON 2 OTHER ACFT, MSB 1121-109/1 WAS BEING CARRIED OUT AS REQUIRED WHEN IT WAS NOTED THAT THE WASHERS WERE MISSING. THE MFG WAS CONTACTED AND DETERMINED THAT THIS WAS NON CONFORMANCE TO THE TYPE CERTIFICATE. IT WAS DECIDED THAT THE REMAIN
- [SDR CA101021013](https://openairdocs.org/sdr/CA101021013.md): Washer · missing · Oct 19, 2010 · Grob G120A · Wing Miscellaneous Structure
  > DURING A 200 HR INSP ON ACFT, MSB 1121-109/1 WAS BEING CARRIED OUT AS REQUIRED WHEN IT WAS NOTED THAT THE WASHERS WERE MISSING. THE MFG WAS CONTACTED AND DETERMINED THAT THIS WAS A NON CONFORMANCE TO THE TYPE CERTIFICATE. IT WAS DECIDED THAT THE REMAINDER OF
- [SDR CA101021014](https://openairdocs.org/sdr/CA101021014.md): Washer · missing · Oct 19, 2010 · Grob G120A · Wing Miscellaneous Structure
  > DURING A 100 HR INSP ON ACFT, MSB 1121-109/1 WAS BEING CARRIED OUT AS REQUIRED WHEN IT WAS NOTED THAT THE WASHERS WERE MISSING. THE MFG WAS CONTACTED AND DETERMINED THAT THIS WAS A NON-CONFORMANCE TO THE TYPE CERTIFICATE. IT WAS DECIDED THAT THE REMAINDER OF

Next page: https://openairdocs.org/engine/lycoming-aeio-540-d4d5/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 = 'AEIO540D4D5'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/lycoming-aeio-540-d4d5/reports

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