# Service difficulty reports: Lycoming TIO-540-A1A

A list on [Lycoming TIO-540-A1A](https://openairdocs.org/engine/lycoming-tio-540-a1a.md).

Newest first. General aviation reporting is voluntary.

- [SDR 2020FA0000113](https://openairdocs.org/sdr/2020FA0000113.md): Switch · leaking · Mar 16, 2019 · N889DR · Cessna T206H · Engine (Reciprocating)
  > DURING ANNUAL INSPECTION, FOUND OIL LEAK AT SWITCH AROUND PLASTIC BODY. THIS SWITCH APPLIES TO AD 13-11-11. TOTAL TIME ON SWITCH 883.0 SWITCH WAS NEW WITH AIRCRAFT=2006.
- [SDR 2015FA0000241](https://openairdocs.org/sdr/2015FA0000241.md): Cylinder Head · cracked · Apr 20, 2015 · N72768 · Cessna T206H · Reciprocating Engine Cylinder Section
  > ACFT LOST POWER AND MADE EMERGENCY LANDING WITHOUT DAMAGED TO ACFT. INSPECTION REVEALED NR 5 CYLINDER CRACKED AND SEPARATED AT HEAD. REPLACED WITH NEW CYLINDER, O5K22680.
- [SDR M2LA2013F00169](https://openairdocs.org/sdr/M2LA2013F00169.md): Clamp · broken · Aug 28, 2013 · N376ME · Cessna T206H · Engine Collector/Tailpipe/Nozzle
  > SHORTLY AFTER TAKEOFF, EXPERIENCED SMOKE IN THE CABIN. LANDED. INSTALLED NEW EXHAUST TAILPIPE ASSEMBLY V-BAND CLAMP, WHICH HAD BROKEN.
- [SDR M2LA201309160001](https://openairdocs.org/sdr/M2LA201309160001.md): Clamp · broken · Aug 28, 2013 · N376ME · Cessna T206H · Engine Collector/Tailpipe/Nozzle
  > PILOT HAD DEPARTED AND SHORTLY AFTER TAKEOFF EXPERIENCED SMOKE IN THE CABIN. LANDED. INSTALLED NEW EXHAUST TAILPIPE ASSEMBLY V-BAND CLAMP.
- [SDR CA121203013](https://openairdocs.org/sdr/CA121203013.md): Control Cable · binding · Dec 3, 2012 · Piper PA31 · Propeller Controlling System
  > (CAN) RIGHT PROP CONTROL STIFF TO OPERATE.
- [SDR 2007FA0000562](https://openairdocs.org/sdr/2007FA0000562.md): Line · cracked · Jun 29, 2007 · N1328N · Cessna T182T · Reciprocating Engine Oil System
  > 30 DEGREE FITTING HAS CRACK ON WRENCH FLAT. (K)
- [SDR 2007FA0000268](https://openairdocs.org/sdr/2007FA0000268.md): B-Nut · loose · Mar 8, 2007 · N280MB · Gulstm 500S · Hydraulic System, Main
  > PILOT NOTICED A FLUCTUATION AND LOSS OF HYDRAULIC PRESSURE IN FLIGHT, AFTER INSPECTION THE FORWARD HYDRAULIC HOSE B-NUT ON THE LT GEAR ACTUATOR WAS FOUND TO BE LOOSE. THE B-NUT WAS TIGHTENED AND TORQUE SEAL WAS PUT ON THE B-NUT. SERVICED HYDRAULIC RESERVOIR
- [SDR 2007FA0000164](https://openairdocs.org/sdr/2007FA0000164.md): Engine · making metal · Feb 6, 2007 · N3543B · Cessna T206H · Engine (Reciprocating)
  > UNDER NORMAL CONDITIONS AND UNDER OIL SAMPLE PROGRAM, ENGINE HAS HAD (6) HIGH BAD SAMPLES, HIGH IRON, COPPER AND ALUMINUM. AC IS A PUBLIC USE AIRCRAFT WITH CUSTOMS AND BORDER PROTECTION, BUT AM REPLACING ENGINE WITH NEW/ OVERHAUL. CONTACTED MFG ABOUT PROBLEM
- [SDR 2005FA0001527](https://openairdocs.org/sdr/2005FA0001527.md): Capacitor · inoperative · Nov 3, 2005 · N53255 · Cessna A188B · Magneto/Distributor
  > OPENED PRESSURIZED MAGNETO TO INSPECT FOR CORROSION DURING ANNUAL INSPECTION. DETECTED A LARGE AMOUNT OF OIL IN AFT CASE OF MAGNETO. FURTHER INVESTIGATION REVEALED THAT IT IS DIELECTRIC FLUID FROM CAPACITOR. TESTED CAPACITOR WITH A SIMPSON METER AND WAS FOU
- [SDR W1X2004F00000](https://openairdocs.org/sdr/W1X2004F00000.md): Hinge · broken · Jun 7, 2004 · N405PA · Piper PA31 · Landing Gear Doors
  > STEEL HINGE (PW 4752932) FAILED PRIOR TO AD 2000-25-01 INTERVAL. (GL13200409283)
- [SDR 2003FA0000455](https://openairdocs.org/sdr/2003FA0000455.md): Mount Bracket · cracked · May 1, 2003 · N700HW · Cessna T206H · Engine Mount Section
  > ENGINE JUST CAME BACK FROM LYCOMING FOR SB553 AND WAS BOLTED ON AIRFRAME. FOUND THE RT REAR LIFTING RING CRACKED 85 PERCENT THROUGH. CRACK HAD GRAY PAINT IN IT. THIS COULD HAVE BROKEN WITH THE ENGINE UP IN THE AIR AND FULL ON SOMEONE OR THE AIRCRAFT.
- [SDR 11447](https://openairdocs.org/sdr/11447.md): Baffle · cracked · Feb 20, 2003 · N398TC · Piper PA32R301T · Reciprocating Engine Oil System
  > PN LW13383 SUMP BAFFLE WAS FOUND CRACKED AT THE 6 ATTACHING SCREWS. A FEW OF THE SCREW HOLES WERE COMPLETELY BROKE ALL THE WAY AROUND THE SCREW AND WASHER.
- [SDR AU010360](https://openairdocs.org/sdr/AU010360.md): Hinge · cracked · Apr 19, 2001 · Piper PA31 · Landing Gear Doors
  > (AUS) LT MAIN LANDING GEAR INBOARD DOOR FORWARD HINGE ARM CRACKED ONINNER RADIUS. FOUND DURING DYE PENETRANT INSPECTION IAW PIPER MSB 682.
- [SDR 20010423CW012](https://openairdocs.org/sdr/20010423CW012.md): Hose · burned · Mar 29, 2001 · N2379W · Cessna T206H · Engine Air Intake System
  > DURING THIS AIRCRAFTS FIRST INSPECTION, THE TURBO BREATHER HOSE WAS FOUND ROUTED NEXT TO THE EXHAUST SYSTEM AND BURNED, CAUSING AN OIL LEAK. FAILURE OF THIS HOSE WILL CAUSE OIL SYSTEM LEAKAGE AND SUBSEQUENT ENGINE FAILURE. NO POSITIVE RESPONSE FROM ENGINE OR
- [SDR CA010110009](https://openairdocs.org/sdr/CA010110009.md): Engine · failed · Dec 15, 2000 · Piper PA31 · Reciprocating Engine Oil System
  > (CAN) ON CLIMB OUT FROM YXD, THE PILOTS NOTICED FLAMES FROM INSIDE THE ENGINE COWL ACCESS DOOR ON RT ENGINE. FOLLOWING FLIGHT MANUAL PROCEDURES, THEY THEN SHUT DOWN THE ENGINE AND FEATHERED THE PROPELLER. THEY THEN MADE AN UNSCHEDULED LANDING IN YEG WHERE MAI
- [SDR 20001121SH002](https://openairdocs.org/sdr/20001121SH002.md): Display · failed · Nov 8, 2000 · N9288X · Piper PA32301T · Instrument Panel
  > CODE ONE FAILURE MODE; THIRD TIME IN THIS AIRCRAFT. SUBMITTER STATED FAX''S TO PIPER, THEIR TECH REPS SAY THAT IT HAS THE ONLY AMPS AND VOLT READINGS ON THIS INSTRUMENT, SO IT IS REQUIRED. (X)
- [SDR 20001109SH027](https://openairdocs.org/sdr/20001109SH027.md): Bearing · failed · Oct 14, 2000 · N289JG · Piper PA32R301T · Exhaust Turbocharger
  > THE TURBO WAS HUNG UP ON THE BEARINGS AND COULD NOT ROTATE UNTIL FORCE WAS APPLIED TO THE COMPRESSOR. THEN THERE WAS DRAGGING ON THE BEARINGS AND TURBINE AGAINST THE HOUSING. THERE WAS A LOT OF END-PLAY IN THE TURBINE SHAFT. (X)
- [SDR AU000711](https://openairdocs.org/sdr/AU000711.md): Spar Cap · corroded · Sep 1, 2000 · Piper PA31 · Wing Spar
  > (AUS) LEFT LOWER SPAR CAP CORRODED IN AREA BETWEEN THE FUSELAGE AND WHERE THE LOWER SKIN BEGINS. THE AREA IS COVERED BY AN ALUMINIUM ADHESIVE TAPE USED AS AN ANTI-CHAFING STRIP AND THE CORROSION WAS FOUND FOLLOWING REMOVAL OF THE TAPE. (X)
- [SDR AU000946](https://openairdocs.org/sdr/AU000946.md): Stud · sheared · Aug 18, 2000 · Piper PA31 · Reciprocating Engine Power Section
  > (AUS) NR 4 CYLINDER MOUNT STUDS (3OFF) SHEARED. (X)
- [SDR CA000330006](https://openairdocs.org/sdr/CA000330006.md): Solenoid · stuck · Mar 23, 2000 · Piper PA31 · Vacuum Distribution System
  > (CAN) PILOT REPORTED SLUGGISH GYRO OPERATION, FOUND LOW GYRO PRESSURE (3 PSI) ON BOTH ENGINES SELECTED OR SINGLE ENGINE OPERATION. UNABLE TO INCREASE PRESSURE. REMOVED VALVES (P/N 2H22-11) AND BENCH TESTED RESPECTIVE SOLENOIDS. SOLENOIDS FOUND TO BE PARTIA
- [SDR CA000218003](https://openairdocs.org/sdr/CA000218003.md): Gear · sheared · Feb 3, 2000 · Piper PA31 · Engine (Reciprocating)
  > (CAN) DURING FLIGHT, ENGINE STOPPED. IT WAS FOUND THAT THE CRANKSHAFT GEAR HAD FAILED. THE GEAR WAS STILL SECURELY FASTENED TO THE CRANK. AD 91-14-22.
- [SDR CA991004019](https://openairdocs.org/sdr/CA991004019.md): Stud · broken · Sep 15, 1999 · Piper PA31 · Reciprocating Engine Cylinder Section
  > (CAN) CYLINDER STUDS FAILED.
- [SDR AU990458](https://openairdocs.org/sdr/AU990458.md): Hub · cracked · May 14, 1999 · Piper PA31 · Propeller Hub Section
  > (AUS) PROPELLER HUB CRACKED IN THREADS OF GREASE NIPPLE HOLE.
- [SDR 99ZZZX1217](https://openairdocs.org/sdr/99ZZZX1217.md): Line · cracked · Feb 27, 1999 · N481CA · Piper PA32R301T · Reciprocating Engine Cylinder Section
  > CRACKED/BROKEN ELBOW ADAPTER WELD. AREA AROUND WELD WAS CRACKED CAUSING ADAPTER TO BREAK OFF WITH MINIMAL FORCE. WHEN ADAPTER BREAKS OFF, A 1 INCH HOLE IS LEFT IN AIR INLET PIPE CAUSING A DROP IN M.A.P.
- [SDR CA981007007](https://openairdocs.org/sdr/CA981007007.md): Switch · corroded · Oct 1, 1998 · Piper PA31 · Trailing Flap Position Indicating System
  > (CAN) WHEN FLAPS SELECTED TO 15 DEGREES, THEY STUCK. AIRCRAFT LANDED OK. INVESTGATION FOUND CORROSION ON THE UPPER LIMIT SWITCH.
- [SDR CA980915012](https://openairdocs.org/sdr/CA980915012.md): Switch · loose · Aug 19, 1998 · Piper PA31 · Landing Gear Retraction/Extension System
  > (CAN) NO GREEN LIGHT INDICATION FOR DOWN AND LOCKED LANDING GEAR. MAINTENANCE FOUND MICROSWITCH ON RIGHT LANDING GEAR LOOSE. MICROSWITCH ADJUSTED AND SECURED. RETRACTION TESTS CHECKS SERVICEABLE.
- [SDR AU980378](https://openairdocs.org/sdr/AU980378.md): Pipe · fractured · Apr 6, 1998 · Piper PA31 · Fuel Controlling System
  > (AUS) RT ENGINE NR 4 INJECTOR LINE FRACTURED ADJACENT TO THE INJECTOR NOZZLE.
- [SDR AU980193](https://openairdocs.org/sdr/AU980193.md): Bulkhead · cracked · Feb 4, 1998 · Piper PA31 · Fuselage Main, Bulkhead
  > (AUS) FUSELAGE RH FRONT SPAR ATTACHMENT BULKHEAD CRACKED. BULKHEAD, CHANNEL PNO 40603-02 AND REINFORCEMENT PLATE PNO 53016 WERE REPLACED. FOUND DURING REPAIR OF CRACKED FUSELAGE SKIN.
- [SDR AU971414](https://openairdocs.org/sdr/AU971414.md): Cowling · departed · Nov 10, 1997 · Piper PA31 · Engine Cowling System
  > (AUS) LH ENGINE COWLING SEPARATED FROM AIRCRAFT IN FLIGHT. THE TOP COWL WAS JAMMED ON THE LEADING EDGE OF THE OUTBOARD WING BY THESLIPSTREAM WHILE THE BOTTOM COWL WAS LOST. THIS WAS THE FIRST FLIGHT AFTER THE COWLS WERE REMOVED TO CARRY OUT AD/PHZL/60 A4. SUSP
- [SDR AU970752](https://openairdocs.org/sdr/AU970752.md): Nut · loose · May 8, 1997 · Piper PA31 · Propeller Spinner Section
  > (AUS) LH PROPELLER SPINNER FORWARD SECURING NUT LOOSE AND LOCKWIRE BROKEN - THREAD ON STUD STRIPPED

## 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 = 'TIO540A1A'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/lycoming-tio-540-a1a/reports

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