# Service difficulty reports: Lycoming TIGO-541-E1A

A list on [Lycoming TIGO-541-E1A](https://openairdocs.org/engine/lycoming-tigo-541-e1a.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 2 · 55 reports

- [SDR CA150331008](https://openairdocs.org/sdr/CA150331008.md): Blade · damaged · Mar 30, 2015 · Piper PA31P · Propeller Blade Section
  > (CAN) PROPELLER HAD MECHANICAL DAMAGE FROM A PREVIOUS O/H BELOW SERVICEABLE LIMITS.
- [SDR CA130801007](https://openairdocs.org/sdr/CA130801007.md): Mount · broken · Jul 29, 2013 · Piper PA31P · Instrument Panel
  > (CAN) WHILE TROUBLESHOOTING A SNAG ON THE #1 HSI IT WAS NOTICED THAT THE FLIGHT CONTROLS WERE NOT COMPLETELY FREE AND CLEAR. THE ROLLER ATTACHMENT FITTING (P/N:41852-00), SPECIFICALLY THE ROLLER BUSHINGS (P/N:20956-00) ON THE CONTROL COLUMN WERE CONTACTING AND
- [SDR CA091210009](https://openairdocs.org/sdr/CA091210009.md): Drum · misrigged · Nov 27, 2009 · Piper PA31P · Elevator Tab Control System
  > (CAN) ACFT DEPARTED FOR A POSITIONING FLIGHT, AFTER A MX EVENT. DURING TAKEOFF, PILOT NOTED EXCESSIVE FORCE REQUIRED TO OPERATE ELEVATOR TRIM SYS, AND POOR RESPONSE TO PILOT INPUT. PILOT WAS PAST REJECT POINT AND TOOK OFF, DECLARED AN EMERGENCY AND LANDED WIT
- [SDR EKI2007F00000](https://openairdocs.org/sdr/EKI2007F00000.md): Elbow · worn · Oct 10, 2007 · N647SC · Piper PA31P · Exhaust Turbocharger
  > RT ENGINE OIL SUPPLY FITTING TO TURBOCHARGER AND WASTEGATE PULLED OUT OF CASE ALLOWING OIL TO SPRAY ONTO TURBO AND WASTEGATE. THIS CAUSED AN OIL FIRE AFT OF THE EXHAUST PIPE WHICH DAMAGED THE RT FLAP AND RT OB GEAR DOOR. SUSPECT THAT O-RING UNDER FITTING RET
- [SDR 2007FA0001038](https://openairdocs.org/sdr/2007FA0001038.md): Gasket · wrong part · Aug 28, 2007 · N7325L · Piper PA31P · Engine Collector/Tailpipe/Nozzle
  > VISUALLY INSPECTED RT ENG AFTER RECOVERING THE A/C FROM A FIELD. FOUND MELTED WIRING AT NR 6 CYLINDER AND BEHIND IT. THE P-LEAD FOR THE RT MAG WAS MELTED AND WHEN TESTED FOUND TO BE SHORTED OUT. THIS SHUT-OFF RT MAG. THE NR 6 BOTTOM PLUG WIRE WAS HANGING L
- [SDR CA061024002](https://openairdocs.org/sdr/CA061024002.md): Engine · malfunctioned · Oct 20, 2006 · Piper PA31P · Engine (Reciprocating)
  > (CAN) AFTER TAKEOFF, RT ENGINE STARTED MAKING POWER FLUCTUATIONS WITH A RAPID EGT RISE. RT ENGINE WAS SHUT DOWN IN DESCENT AND AIRCRAFT RETURNED SAFELY. A MAINTENANCE INVESTIGATION IS UNDER WAY TO DETERMINE THE CAUSE. REPORT TO FOLLOW WHEN CAUSE IS IDENTIFIED.
- [SDR CA061002006](https://openairdocs.org/sdr/CA061002006.md): Landing Gear · failed · Sep 28, 2006 · Piper PA31P · Landing Gear Retraction/Extension System
  > (CAN) DEFECT: UNABLE TO PUT DOWN GEAR AND GET 3 GREEN LIGHTS. UPON 4TH TRY WHILE IN A HARD RT TURN, FINALLY GOT RT MAIN GEAR DOWN AND LOCKED. AIRCRAFT RETURNED TO BASE WITH LANDING GEAR IN DOWN/LOCKED POSITION UNDER FERRY FLIGHT PERMIT. RECTIFICATION: LANDING
- [SDR CA061002007](https://openairdocs.org/sdr/CA061002007.md): Fuel Control · failed · Sep 28, 2006 · Piper PA31P · Fuel Control/Turbine Engines
  > (CAN) UNCONTROLLABLE POWER FLUCTUATIONS AT HIGH POWER SETTINGS ON LT ENGINE. FOUND FUEL CONTROL UNIT P/N 2524501-9 S/N 70084801 TO BE UNSERVICEABLE. REPLACED WITH REBUILT UNIT P/N 2524501-9 S/N 70157810. SYSTEM GROUND RUN SERVICEABLE. (TC NR 20061002007)
- [SDR CA060811001](https://openairdocs.org/sdr/CA060811001.md): Panel · smoke · Aug 7, 2006 · Piper PA31P · Electrical Power System
  > (CAN) CIRCUIT BREAKER PANEL STARTED TO SMOKE AND SPARK DURING CRUISE AT 14000 FT. ELECTRICAL FIRE CHECKLIST WAS INITIATED AND DESCENDED TO 7500 FT. UPON COMPLETION OF ELECTRICAL FIRE CHECKLIST SMOKE AND SPARK NO LONGER PRESENT. (TC NR 20060811001)
- [SDR CA051219005](https://openairdocs.org/sdr/CA051219005.md): Gps · malfunctioned · Dec 4, 2005 · Piper PA31P · Global Positioning System
  > THE GPS SYSTEM WENT THROUGH NORMAL SELF-TEST AND DID NOT FLAG AS INOP. HOWEVER, THE TRACKS DISPLAYED BETWEEN WAYPOINTS WERE INCORRECT. UPON FURTHER INVESTIGATION THE SYSTEM DATE WAS DISPLAYED AS APR 20, 1986 AND COULD NOT BE CORRECTED ON ANY SYSTEM OR START-
- [SDR CA060119001](https://openairdocs.org/sdr/CA060119001.md): Gear · failed · Sep 9, 2005 · Piper PA31P · Propeller System
  > (CAN) ON SHUTDOWN, PILOT HEARD A REPETITIVE SOUND, FROM THE LT ENGINE. INVESTIGATION SHOWED THE PROP GEAR HAD TEETH MISSING. EVIDENCE, METAL TEETH PIECES IN OIL SCREEN. NO RESISTANCE IN PROP ROTATION FOR ABOUT 10 DEGREES. ENGINE REPLACED, AIRCRAFT RETURNED
- [SDR AUS20031060](https://openairdocs.org/sdr/AUS20031060.md): Clamp · wrong part · Oct 16, 2003 · Piper PA31P · Exhaust Turbocharger
  > (AUS) ENGINE EXHAUST TURBOCHARGER INTERCOOLER DUCT HOSE CLAMP INCORRECTLY TORQUED FOLLOWING MAINTENANCE. HOSE PARTED DURING FLIGHT.
- [SDR CA030709009](https://openairdocs.org/sdr/CA030709009.md): Clutch · unserviceable · Jun 16, 2003 · Piper PA31P · Cabin Cooling System
  > (CAN) THE RIVETS ON THE AIR CONDITIONING CLUTCH ASSEMBLY FAILED. THIS ALLOWED TWO OF THE THREE BRACKETS THAT CONNECT THE OUTER RING TO THE INNER CORE, EACH ABOUT 2.25
- [SDR EKI2002F00000](https://openairdocs.org/sdr/EKI2002F00000.md): Pump · inoperative · Dec 4, 2001 · N648SC · Piper PA31P · Fuel Boost Pump
  > MFG OVERHAULED SUBMERSABLE FUEL PUMP FOR RIGHT MAIN FUEL TANK QUIT WORKING AFTER 91.6 HOURS 3 MONTHS.
- [SDR 2001FA0000549](https://openairdocs.org/sdr/2001FA0000549.md): Adapter · broken · Sep 21, 2001 · N651SC · Piper PA31P · Engine Collector/Tailpipe/Nozzle
  > FLANGE ON LEFT ENGINE OUTBOARD ADAPTER BROKE OFF OF ADAPTER. EXHAUST GASES LEAKED FROM SYSTEM CAUSING TURBOCHARGER OUTPUT TO DROP. PILOT SHUT DOWN ENGINE AND RETURNED TO AIRPORT.
- [SDR CA010209003](https://openairdocs.org/sdr/CA010209003.md): Engine · failed · Feb 9, 2001 · Piper PA31P · Engine/Transmission Coupling
  > (CAN) ENGINE LOSSED MANIFOLD PRESSURE FOLLOWED BY LOSS OF OIL PRESSURE. VISUAL INSPECTION REVEALS CRACKED CASE.
- [SDR 20000728SH004](https://openairdocs.org/sdr/20000728SH004.md): Crankshaft · broken · Jul 3, 2000 · N252MA · Piper PA31P · Reciprocating Engine Power Section
  > NR 4 COUNTERWEIGHT DEPARTED CRANKSHAFT AND PUNCHED HOLE IN TOP OF CASE AFTER TAKEOFF. RETURNED TO PHI AND LANDED SAFELY. SUBMITTER STATED THIS APPEARS TO BE A CONTINUING PROBLEM WITH THIS ENGINE. (X)
- [SDR 20000601SH006](https://openairdocs.org/sdr/20000601SH006.md): Bushing · failed · May 9, 2000 · N61CG · Piper PA31P · Alternator-Generator Drive
  > PILOT EXPERIENCED ALTERNATOR FAILURE ON LT ENGINE IN-FLIGHT. UPON INSPECTION AFTER LANDING, FOUND LT SIDE OF AIRCRAFT COVERED IN OIL AND LT ALTERNATOR LYING INSIDE OF COWLING. SUBMITTER SUSPECTED FAILURE OF GENERATOR ADAPTER ASSY BUSHING PN 75539 CAUSED MISA
- [SDR 20000613SH024](https://openairdocs.org/sdr/20000613SH024.md): Bushing · failed · May 9, 2000 · N61CG · Piper PA31P · Alternator-Generator Drive
  > PILOT EXPERIENCED ALTERNATOR FAILURE ON LT ENGINE IN-FLIGHT. UPON INSPECTION AFTER LANDING, FOUND LT SIDE OF AIRCRAFT COVER IN OIL AND LT ALTERNATOR LYING INSIDE OF COWLING. SUSPECT FAILURE OF GOVERNOR ADAPTER ASSY. BUSHING, PN 75539, CAUSED MIS-ALIGNMENT O
- [SDR AU000068](https://openairdocs.org/sdr/AU000068.md): Gearbox · failed · Jan 30, 2000 · Piper PA31P · Reciprocating Engine Rear Section
  > (AUS) ENGINE GEARBOX SUSPECT FAILURE.
- [SDR AU000164](https://openairdocs.org/sdr/AU000164.md): Gearbox · failed · Jan 30, 2000 · Piper PA31P · Reciprocating Engine Rear Section
  > (AUS) ENGINE SUSPECT GEARBOX FAILURE.
- [SDR 99ZZZX3677](https://openairdocs.org/sdr/99ZZZX3677.md): Cranshaft · cracked · Sep 9, 1999 · N7652L · Piper PA31P · Reciprocating Engine Power Section
  > REMOVED ENGINE DUE TO FERROUS METAL IN FILTER. FOUND CAMSHAFT WORN AND LIFTER SPALLED. UPON FURTHER INSPECTION, FOUND NR 4 COUNTERWEIGHT ATTACHMENT ON CRANKSHAFT CRACKED AT COUNTERWEIGHT BUSHING. BUSHING HAS FOUR CRACKS. NO LOG ENTRY OF PROPELLER STRIKE.
- [SDR 99ZZZX3664](https://openairdocs.org/sdr/99ZZZX3664.md): Crankshaft · failed · Sep 8, 1999 · N252MA · Piper PA31P · Reciprocating Engine Power Section
  > COUNTERWEIGHT ON NR 3 ATTACH PORT ON CRANKSHAFT CAME OFF. CRANKSHAFT ATTACH PORTS BOTH FAILED. AIRCRAFT RETURNED TO AIRPORT AND LANDED SAFELY.
- [SDR 99ZZZX3676](https://openairdocs.org/sdr/99ZZZX3676.md): Camshaft · spalled · Sep 7, 1999 · N110SK · Piper PA31P · Reciprocating Engine Power Section
  > FOUND FERROUS METAL IN FILTER AND SCREEN DURING OIL CHANGE. PULLED SUMP, FOUND CAMSHAFT LOBES AND LIFTERS WORN AND SPALLED.
- [SDR CA990728088](https://openairdocs.org/sdr/CA990728088.md): Crankshaft · separated · Jul 11, 1999 · Reciprocating Engine Cylinder Section
  > (CAN) CRANKSHAFT AT CONNECTING ROD DAMAGED 25 HOURS POST-OVERHAUL. X-RAYS WERE TAKEN AT THAT TIME.
- [SDR CA990907073](https://openairdocs.org/sdr/CA990907073.md): Crankshaft · broken · Jul 11, 1999 · Reciprocating Engine Power Section
  > (CAN)CRANKSHAFT SEPARATED. CRANKSHAFT X-RAYED AT PREVIOUS OVERHAUL.
- [SDR AU990400](https://openairdocs.org/sdr/AU990400.md): Gear · stripped · Apr 23, 1999 · Piper PA31P · Magneto/Distributor
  > (AUS) LEFT MAGNETO NYLON DISTRIBUTOR GEAR HAD THREE TEETH MISSING.
- [SDR AU990399](https://openairdocs.org/sdr/AU990399.md): Liner · cracked · Feb 19, 1999 · Piper PA31P · Heating System
  > (AUS) CABIN HEATER INNER COMBUSTION CAN CRACKED.
- [SDR 98ZZZX3426](https://openairdocs.org/sdr/98ZZZX3426.md): Switch · failed · Sep 3, 1998 · N110SK · Piper PA31P · Emergency Locator Beacon
  > UNIT REMOVED FOR C/W FAR 91-207D. FOUND INERTIA SWITCH INOPERATIVE. SUBMITTER STATES THIS IS THE THIRD UNIT TO FAIL THE TEST. UNIT IS ONLY 2 YEARS OLD.
- [SDR 98ZZZX3026](https://openairdocs.org/sdr/98ZZZX3026.md): Bracket · cracked · Aug 6, 1998 · N65TT · Piper PA31 · Exhaust Turbocharger
  > FOUND TURBO UPPER AFT MOUNT BRACKET CRACKED AT WELD. THIS WAS A HARD AREA TO SEE AND SHOULD BE LOOKED AT EVERY INSPECTION.
- [SDR CA980804028](https://openairdocs.org/sdr/CA980804028.md): Gearbox · separated · Jul 22, 1998 · Piper PA31P · Reciprocating Engine Front Section
  > (CAN) NOSE GEAR BOX ASSEMBLY AND PROPELLER BROKE FREE OF THE ENGINE IN FLIGHT AND FELL AWAY. NO FURTHER AIRCRAFT DAMAGE, THE AIRCRAFT LANDED SAFELY ON THE REMAINING ENGINE.
- [SDR CA980416009](https://openairdocs.org/sdr/CA980416009.md): Drain Line · chafing · Apr 6, 1998 · Piper PA31P · Engine Drains
  > (CAN) FUEL DRAIN LINE OF NR 2 CYLINDER RUBBED (CHAFED) AGAINST THE PROPELLER ACCUMULATOR AND RISKED RUPTURING THE DRAIN INJECTION LINE. THIS LINE IS LESS THAN 4 INCHES FROM THE EXHAUST SYSTEM AND CONSTITUTES A HIGH RISK OF ENGINE FIRE IF THE DRAIN INJECTOR LI
- [SDR 98ZZZX523](https://openairdocs.org/sdr/98ZZZX523.md): Lifter · spalled · Jan 20, 1998 · N6805L · Piper PA31P · Reciprocating Engine Power Section
  > NR 4 CYLINDER EXHAUST LIFTER SPALLED SEVERELY CAUSING DAMAGE TO THE CAMSHAFT LOBE. ALL OTHER LIFTERS LOOKED GOOD. ENGINE WAS FACTORY OVERHAULED 7/97. FOUND METAL IN SCREEN AND FILTER LEADING TO INVESTIGATION WHICH TURNED UP THIS PROBLEM.
- [SDR 97ZZZX4206](https://openairdocs.org/sdr/97ZZZX4206.md): Bearing · flaked · Sep 9, 1997 · N252MA · Piper PA31P · Reciprocating Engine Power Section
  > ENGINE REMOVED AFTER FINDING BEARING MATERIAL IN OIL SCREEN. DISASSEMBLED, FOUND ABOUT 1.5 SQUARE INCHES OF MATERIAL FLAKED OFF OF BEARING. SUSPECT POOR BOND TO BEARING.
- [SDR 97ZZZX3868](https://openairdocs.org/sdr/97ZZZX3868.md): Pump · inoperative · Aug 13, 1997 · N110SK · Piper PA31P · Engine Fuel Pump
  > LEFT MAIN TRANSFER PUMP OVERHAULED BY 2-14-96, INSTALLED 7-8-96. PUMP INOPERABLE. SENDING TO RAPCO FOR DETERMINATION OF PROBLEM. SHORT SERVICE LIFE.
- [SDR 97ZZZX3163](https://openairdocs.org/sdr/97ZZZX3163.md): Stud · failed · Jun 30, 1997 · N252MA · Piper PA31P · Reciprocating Engine Power Section
  > FOUR CYLINDER ATTACH STUDS ON NR 3 CYLINDER FOUND BROKEN FOLLOWING ENGINE RUNNING ROUGH. FOUND NO EVIDENCE OF DETONATION ON TEAR DOWN.
- [SDR 97ZZZX3151](https://openairdocs.org/sdr/97ZZZX3151.md): Valve Seat · loose · Jun 25, 1997 · N18MC · Piper PA31P · Reciprocating Engine Cylinder Section
  > LEFT ENGINE RUNNING ROUGH. CHECKED COMPRESSION, 0/80, NR 3 CYLINDER. CHECKED WITH BORESCOPE, FOUND EXHAUST VALVE SEAT LOOSE. REMOVED CYLINDER ASSY WHICH WAS OVERHAULED BY ECI. SUSPECT FIT BETWEEN CYLINDER AND SEAT WAS NOT TIGHT ENOUGH AT ASSEMBLY.
- [SDR AU971332](https://openairdocs.org/sdr/AU971332.md): Cylinder · cracked · Jun 20, 1997 · Piper PA31P · Reciprocating Engine Cylinder Section
  > (AUS) ENGINE CYLINDER CRACKED FROM INDUCTION TUBE FACE TOWARDS THE INLET VALVE SEAT. CRACK LENGTH 31.75MM (1.25IN)
- [SDR AU971333](https://openairdocs.org/sdr/AU971333.md): Cylinder · cracked · May 2, 1997 · Piper PA31P · Reciprocating Engine Cylinder Section
  > (AUS) ENGINE CYLINDER CRACKED FROM INDUCTION TUBE MOUNT FACE TOWARDSTHE INLET VALVE SEAT. CRACK LENGTH 25.4MM (1IN).
- [SDR 97ZZZX2337](https://openairdocs.org/sdr/97ZZZX2337.md): Diaphragm Valve · loose · Apr 29, 1997 · N252MA · Piper PA31P · Engine Fuel Distribution
  > SCREW THAT SECURES NEEDLE VALVE TO DIAPHRAGM IN FUEL PRESSURIZATION VALVE CAME LOOSE ALLOWING NEEDLE VALVE TO COME LOOSE WHICH SHUT ENGINE DOWN. SCREW STILL HAD EVIDENCE OF LOC-TITE ON THREADS. SUSPECT THAT FUEL MAY HAVE SOFTENED LOC-TITE WHICH ALLOWED SCREW
- [SDR 97ZZZX2050](https://openairdocs.org/sdr/97ZZZX2050.md): Cylinder · cracked · Apr 22, 1997 · N82606 · Piper PA31P · Reciprocating Engine Cylinder Section
  > DURING MAINTENANCE WITH INTAKE PIPE REMOVED, INTAKE GUIDE WAS FOUND MOVING WITH THE VALVE. CYLINDER REPLACED, TEAR DOWN REPORT REQUESTED FROM ENGINE OVERHAULER. REPORT STATED A CRACK HAD CAUSED THE PROBLEM. OUT OF 4 ENGINES OF THIS TYPE MAINTAINED BY THIS F
- [SDR 97ZZZX2051](https://openairdocs.org/sdr/97ZZZX2051.md): Cylinder · cracked · Apr 22, 1997 · N82606 · Piper PA31P · Reciprocating Engine Cylinder Section
  > DURING ROUTINE MAINTENANCE, NR 1 AND NR 3 CYLINDERS WERE FOUND CRACKED IN THE INTAKE PORT AREA. CRACKS WERE BETWEEN FIRST AND SECOND COOLING FINS FROM THE TOP AND PROGRESSED TO THE THINNER AREA OF THE PORT. CRACKS NOTED BY A GREENISH TO BLACK STAIN LOOKING F
- [SDR 97ZZZX2052](https://openairdocs.org/sdr/97ZZZX2052.md): Cylinder · cracked · Apr 22, 1997 · N82606 · Piper PA31P · Reciprocating Engine Cylinder Section
  > DURING ROUTINE MAINTENANCE, NR 1 AND NR 3 CYLINDERS WERE FOUND CRACKED IN THE INTAKE PORT AREA. CRACKS WERE BETWEEN FIRST AND SECOND COOLING FINS FROM THE TOP AND PROGRESSED TO THE THINNER AREA OF THE PORT. CRACKS NOTED BY A GREENISH TO BLACK STAIN LOOKING F
- [SDR 97ZZZX817](https://openairdocs.org/sdr/97ZZZX817.md): Crankshaft · fractured · Feb 10, 1997 · N192CS · Piper PA31P · Reciprocating Engine Power Section
  > AT OIL CHANGE 7 FERROUS PIECES.430 INCH LONG.095 INCH THICK AND BETWEEN.125 INCH AND.250 INCH WIDE WERE FOUND IN SUCTION SCREEN ALONG WITH ALUMINUM SHAVINGS. OIL PAN REMOVAL AND VISUAL INSPECTION REVEALED A BROKEN CORNER OFF THE COUNTERWEIGHT BLADE ON THE
- [SDR 96ZZZX6140](https://openairdocs.org/sdr/96ZZZX6140.md): Gear Tooth · broken · Dec 5, 1996 · N18MC · Piper PA31P · Reciprocating Engine Front Section
  > ENGINE SOUNDED ROUGH ON SHUT DOWN. FOUND EXCESSIVE PLAY IN PROPELLER. DRAINED OIL, PULLED SUCTION SCREEN, FOUND PIECE OF TOOTH IN SCREEN. ENGINE TORN DOWN, FOUND BROKEN TEETH ON PROP SHAFT DRIVE GEAR, ALSO, DRIVE GEAR DAMAGED. SUBMITTER SUSPECTS PREVIOUS C
- [SDR 96ZZZX6082](https://openairdocs.org/sdr/96ZZZX6082.md): Valve Seat · loose · Nov 22, 1996 · N252MA · Piper PA31P · Reciprocating Engine Cylinder Section
  > ENGINE RUN-UP AND ROUGH. CHECKED COMPRESSION, FOUND NR 5 CYLINDER 0/80. REMOVED CYLINDER, FOUND EXHAUST VALVE SEAT LOOSE IN HEAD FOLLOWING VALVE DURING VALVE MOVEMENT.
- [SDR 96ZZZX6099](https://openairdocs.org/sdr/96ZZZX6099.md): Counter Weight · cracked · Nov 22, 1996 · N252MA · Piper PA31P · Reciprocating Engine Power Section
  > PULLED SUCTION SCREEN FOLLOWING OIL CHANGE, FOUND BROKEN PIECE OF SNAP RING, P/N 71906. REMOVED SUMP, FOUND COUNTER WT NR 5 SNAP RING AFT SIDE INBOARD BROKE AND COUNTER WT CRACKED AT BUSHING HOLE. SCREEN WAS PULLED FOLLOWING FAILURE OF NR 5 CYL (DROPPED EXHA
- [SDR 96ZZZX5901](https://openairdocs.org/sdr/96ZZZX5901.md): Dowel · loose · Nov 19, 1996 · N18MC · Piper PA31P · Reciprocating Engine Power Section
  > FOUND DOWEL FOR CRANKSHAFT SPLINE BUSHING IN SUMP AT OIL SCREEN. UPON TEAR DOWN FOUND ONLY 1 OF 3 DOWELS STILL IN CRANKSHAFT. BUSHING WAS STARTING TO TWIST IN BETWEEN CRANKSHAFT AND SPLINE BUSHING. NO OTHER INDICATION OF PROBLEMS. ENGINE RAN GOOD, FILTER W
- [SDR 96ZZZX4142](https://openairdocs.org/sdr/96ZZZX4142.md): Cylinder · cracked · Apr 18, 1996 · N17PS · Piper PA31P · Reciprocating Engine Cylinder Section
  > HOBBS - 3,213.6 HOURS. OIL APPEARED AROUND NR 1 CYLINDER PUSH ROD TUBES. SEALS REPLACED, GROUND CHECK OPS GOOD. AFTER FLIGHT, OIL APPEARED AGAIN. REMOVED NR 1 CYLINDER, FOUND CYLINDER SLEEVE CRACKED APPROXIMATELY THREE-FOURTHS OF CIRCUMFERENCE. LOG REVEAL
- [SDR 95ZZZX6767](https://openairdocs.org/sdr/95ZZZX6767.md): Cylinder · boss broken · Oct 31, 1995 · N26556 · Piper PA31P · Reciprocating Engine Cylinder Section
  > EXHAUST VALVE INBOARD ROCKER ARM SHAFT BOSS BROKEN OFF CYLINDER ASSY. ROCKER ARM AND SHAFT LIFTED UP CRACKING CYLINDER ON OUTBOARD SIDE WHERE SHAFT PASSES THROUGH CYLINDER. SUBMITTER SUSPECTED DEFECTIVE CASTING AS THERE IS NO EVIDENCE OF PREVIOUS CRACK.

Next page: https://openairdocs.org/engine/lycoming-tigo-541-e1a/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 = 'TIGO541E1A'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/lycoming-tigo-541-e1a/reports

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