# Service difficulty reports: Lycoming IO-540-AB1A5

A list on [Lycoming IO-540-AB1A5](https://openairdocs.org/engine/lycoming-io-540-ab1a5.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 3 · 138 reports

- [SDR 2026FA0000094](https://openairdocs.org/sdr/2026FA0000094.md): Doubler · cracked · Feb 10, 2026 · N365CA · Cessna 182T · Fuselage Main, Bulkhead
  > DURING FIREWALL CLEANING/INSPECTION DURING ANNUAL/100HR INSPECTION, A CRACK, APPROXIMATELY 1.0" IN LENGTH WAS DISCOVERED IN THE UPPER RADIUS OF THE LEFT HAND SIDE OF THE LOWER FIREWALL DOUBLER DIRECTLY THROUGH THE TOP RIVET THAT HOLDS THE PARKING BRAKE BRACKET
- [SDR 2026FA0000074](https://openairdocs.org/sdr/2026FA0000074.md): Doubler · cracked · Feb 2, 2026 · N655CP · Cessna 182T · Fuselage Main, Bulkhead
  > DURING FIREWALL CLEANING/INSPECTION DURING ANNUAL/100HR INSPECTION, A CRACK, APPROXIMATELY 2.3 IN LENGTH WAS DISCOVERED IN THE UPPER RADIUS OF THE LEFT HAND SIDE OF THE LOWER FIREWALL DOUBLER DIRECTLY THROUGH THE TOP RIVET THAT HOLDS THE PARKING BRAKE BRACKET
- [SDR 2026FA0000073](https://openairdocs.org/sdr/2026FA0000073.md): Doubler · cracked · Dec 2, 2025 · N397CP · Cessna 182T · Fuselage Main, Bulkhead
  > DURING FIREWALL CLEANING IN PREPARATION OF INSTALLATION OF NEWLY OVERHAULED ENGINE, A CRACK, APPROXIMATELY 2.3 IN LENGTH WAS DISCOVERED IN THE UPPER RADIUS OF THE LEFT HAND SIDE OF THE LOWER FIREWALL DOUBLER DIRECTLY THROUGH THE TOP RIVET THAT HOLDS THE PARKIN
- [SDR ODAR2025080600001](https://openairdocs.org/sdr/ODAR2025080600001.md): Skin · cracked · Aug 6, 2025 · N482CP · Cessna 182T · Wing, Plate/Skin
  > DURING 100HR / ANNUAL INSPECTION FOUND RH INBOARD FLAP COVE SKIN CRACKED ALONG WITH FLAP TRACK RIVETS WORKING OUT. INSPECTED AREA AROUND FLAP AND FOUND THE INBD FLAP TRACK/RIB ASSEMBLY TO BE CRACKED THROUGH.
- [SDR 2023FA0000395](https://openairdocs.org/sdr/2023FA0000395.md): Alternator · seized · Jul 31, 2023 · N859JA · Cessna 182T · DC Generator-Alternator
  > CREW REPORTED DURING GROUND RUN AND PRIOR TO TAXI, ENGINE MADE A LOUD NOISE, AND THE ENGINE WAS SHUT DOWN IMMEDIATELY. THIS HAPPENED PRIOR TO FLIGHT, WITH NO INDICATION OF A PENDING FAILURE. MAINTENANCE TECHNICIAN REPORTED THAT THE ALTERNATOR HAD SEIZED, AN
- [SDR 2023FA0000310](https://openairdocs.org/sdr/2023FA0000310.md): Points · broken · Jun 12, 2023 · N177CP · Cessna 182T · Magneto/Distributor
  > TEST, TEST, TEST: MAGNETO POINT FAILURE
- [SDR 2022FA0000270](https://openairdocs.org/sdr/2022FA0000270.md): Points · broken · May 31, 2022 · N177CP · Cessna 182T · Magneto/Distributor
  > MAGNETO POINT FAILURE
- [SDR JRUR2020032560002](https://openairdocs.org/sdr/JRUR2020032560002.md): Magneto · unserviceable · Mar 25, 2020 · N17HP · Cessna 182T · Magneto/Distributor
  > SLICK BY CHAMPION SB2-19A MANDATORY INSPECTION OF IMPULSE COUPLING. THE SB HAS YOU INSPECT THE IMPULSE COUPLING PER THE MAINTENANCE MANUAL. IF ANY MOVEMENT IS FOUND IN THE RIVETS, THE IMPULSE COUPLING MUST BE REJECTED. INSPECTED MAGNETO MODEL NO. 6351 P/N:
- [SDR JRUR202003120011](https://openairdocs.org/sdr/JRUR202003120011.md): Impulse Coupling · unserviceable · Mar 12, 2020 · N19HP · Cessna 182T · Magneto/Distributor
  > SLICK BY CHAMPION SB2-19A MANDATORY INSPECTION OF IMPULSE COUPLING. THE SB HAS YOU INSPECT THE IMPULSE COUPLING PER THE MAINTENANCE MANUAL. IF ANY MOVEMENT IS FOUND IN THE RIVETS, THE IMPULSE COUPLING MUST BE REJECTED. MAGNETO INSTALLED WITH TSN 0.0 AT AN A
- [SDR JRUR202003120012](https://openairdocs.org/sdr/JRUR202003120012.md): Impulse Coupling · unserviceable · Mar 12, 2020 · N19HP · Cessna 182T · Magneto/Distributor
  > SLICK BY CHAMPION SB2-19A MANDATORY INSPECTION OF IMPULSE COUPLING. THE SB HAS YOU INSPECT THE IMPULSE COUPLING PER THE MAINTENANCE MANUAL. IF ANY MOVEMENT IS FOUND IN THE RIVETS, THE IMPULSE COUPLING MUST BE REJECTED. MAGNETO INSTALLED WITH TSN 0.0 AT AN A
- [SDR JRUR202003060001](https://openairdocs.org/sdr/JRUR202003060001.md): Magneto · unserviceable · Mar 6, 2020 · N17HP · Cessna 182T · Magneto/Distributor
  > SUPPLEMENTAL INFORMATION SLICK BY CHAMPION SB2-19A MANDATORY INSPECTION OF IMPULSE COUPLING. THE SB HAS YOU INSPECT THE IMPULSE COUPLING PER THE MAINTENANCE MANUAL. IF
- [SDR JRUR202003060003](https://openairdocs.org/sdr/JRUR202003060003.md): Magneto · unserviceable · Mar 6, 2020 · N6HP · Cessna 182T · Magneto/Distributor
  > SLICK BY CHAMPION SB2-19A MANDATORY INSPECTION OF IMPULSE COUPLING. THE SB HAS YOU INSPECT THE IMPULSE COUPLING PER THE MAINTENANCE MANUAL. IF ANY MOVEMENT IS FOUND IN THE RIVETS, THE IMPULSE COUPLING MUST BE REJECTED. MAGNETO INSTALLED WITH TSN 493.9 AT AN
- [SDR JRUR202003060004](https://openairdocs.org/sdr/JRUR202003060004.md): Magneto · unserviceable · Mar 6, 2020 · N311HP · Cessna 182T · Magneto/Distributor
  > SLICK BY CHAMPION SB2-19A MANDATORY INSPECTION OF IMPULSE COUPLING. THE SB HAS YOU INSPECT THE IMPULSE COUPLING PER THE MAINTENANCE MANUAL. IF ANY MOVEMENT IS FOUND IN THE RIVETS, THE IMPULSE COUPLING MUST BE REJECTED. MAGNETO INSTALLED WITH TSN 0.0 AT AN A
- [SDR JRUR202003060005](https://openairdocs.org/sdr/JRUR202003060005.md): Magneto · unserviceable · Mar 6, 2020 · N113HP · Cessna 182T · Magneto/Distributor
  > SLICK BY CHAMPION SB2-19A MANDATORY INSPECTION OF IMPULSE COUPLING. THE SB HAS YOU INSPECT THE IMPULSE COUPLING PER THE MAINTENANCE MANUAL. IF ANY MOVEMENT IS FOUND IN THE RIVETS, THE IMPULSE COUPLING MUST BE REJECTED. MAGNETO INSTALLED WITH TSN 952.3 AT AN
- [SDR JRUR2020030560002](https://openairdocs.org/sdr/JRUR2020030560002.md): Magneto · unserviceable · Mar 5, 2020 · N17HP · Cessna 182T · Magneto/Distributor
  > SLICK BY CHAMPION SB2-19A MANDATORY INSPECTION OF IMPULSE COUPLING. THE SB HAS YOU INSPECT THE IMPULSE COUPLING PER THE MAINTENANCE MANUAL. IF ANY MOVEMENT IS FOUND IN THE RIVETS, THE IMPULSE COUPLING MUST BE REJECTED. INSPECTED MAGNETO MODEL NO. 6351 P/N:
- [SDR 2020FA0000029](https://openairdocs.org/sdr/2020FA0000029.md): Hose · cracked · Jan 11, 2020 · N390ME · Cessna 182S · Aircraft Fuel Distribution System
  > SEVERAL MONTHS AGO I HAD A STRONG SMELL OF GAS IN THE CABIN, IT WAS TRACED DOWN TO A CRACKED "RUBBER" HOSE BETWEEN THE WING TANK AND THE TUBE DOWN TO THE ENGINE. AT THE TIME I ASKED THE MECHANIC IF IT SHOULD BE REPORTED AND THE OTHER SIDE OF THE PLANE CHECKED,
- [SDR CA190723009](https://openairdocs.org/sdr/CA190723009.md): Wheel · damaged · Jul 22, 2019 · Cessna 182T · Wheel/Ski/Float
  > (CAN) DURING AN OPERATION 3 INSPECTION IT WAS DISCOVERED THAT BOTH LEFT AND RIGHT MAIN LANDING GEAR TIRES HAD BEEN EXPOSED TO A SKID WHICH RENDERED THE TIRES UNSERVICEABLE. AFTER REMOVING THE TIRES THE WHEEL HALVES WERE INSPECTED AND FOUND TO HAVE INTER-GRANUL
- [SDR JRUR201905060001](https://openairdocs.org/sdr/JRUR201905060001.md): Exhaust Valve · out of tolerance · May 6, 2019 · N113HP · Cessna 182T · Reciprocating Engine Cylinder Section
  > DURING PERFORMANCE OF SB 388C, IT WAS FOUND THAT THE NR 3 CYLINDER EXHAUST VALVE TO GUIDE CLEARANCE MEASURED.031". THIS EXCEEDS THE MAXIMUM ALLOWABLE CLEARANCE OF.030". THIS ENGINE WAS OVERHAUL. THE TOTAL TIME SINCE NEW IS NOT BEING LISTED AS IT IS NOT KNOWN
- [SDR JRUR201905060002](https://openairdocs.org/sdr/JRUR201905060002.md): Exhaust Valve · out of tolerance · May 6, 2019 · N113HP · Cessna 182T · Reciprocating Engine Cylinder Section
  > DURING PERFORMANCE OF SB 388C, IT WAS FOUND THAT THE NR 4 CYLINDER EXHAUST VALVE TO GUIDE CLEARANCE MEASURED.031". THIS EXCEEDS THE MAXIMUM ALLOWABLE CLEARANCE OF.030". THIS ENGINE WAS OVERHAUL. THE TOTAL TIME SINCE NEW IS NOT BEING LISTED AS IT IS NOT KNOWN
- [SDR 2018FA0000339](https://openairdocs.org/sdr/2018FA0000339.md): Autopilot Sys · corrupted · Aug 20, 2018 · N365CA · Cessna 182T · Global Positioning System
  > AUTOPILOT INTEGRATED WITH G1000 REFUSED TO DISCONNECT.
- [SDR 2018FA0000207](https://openairdocs.org/sdr/2018FA0000207.md): Housing · damaged · Jul 10, 2018 · N661SP · Cessna 182S · Engine Air Intake System
  > AIR FILTER HOUSING PN 07506212 DAMAGED AT THE OUTLET. SUSPECT DAMAGE WAS CAUSED BY OVER TIGHTENING OF THE CLAMP THAT SECURES THE RUBBER COUPLING TO THE DUCT. METAL TAPE WAS WRAPPED AROUND THE OUTLET PORTION OF THE HOUSING IN AN ATTEMPT TO REPAIR THE CRACKED
- [SDR 2017FA0000460](https://openairdocs.org/sdr/2017FA0000460.md): Sprocket · broken · Aug 23, 2017 · N153FC · Cessna 182T · Elevator Tab Control System
  > ELEVATOR TRIM LOCKED UP IN FLIGHT. TRIM ACTUATOR SPROCKET FOUND TO BE BROKEN WHERE PIN ATTACHES IT TO ACTUATOR ASSEMBLY.
- [SDR 2017FA0000303](https://openairdocs.org/sdr/2017FA0000303.md): Bushing · spun · Aug 1, 2017 · N912EX · Cessna T182 · Reciprocating Engine Power Section
  > DURING THE INSPECTION OF CONNECTING ROD BUSHING PER SB632A, TECHNICIAN FOUND 4 CONNECTING ROD BUSHINGS SPUN WHILE PERFORMING CHECK PER INSTRUCTIONS IDENTIFIED IN SB 632A.
- [SDR 2017FA0000243](https://openairdocs.org/sdr/2017FA0000243.md): Bearing · failed · Jun 12, 2017 · N378ES · Cessna 182S · Reciprocating Engine Power Section
  > AFTER REMOVAL OF THE CYLINDER, FOUND THAT THE CRANKSHAFT MAIN BEARINGS FROM THE NR 6 CYLINDER WERE CRUSHED AND PARTS OF THEM MISSING, LATER FOUND THE REMAINING PIECES OF BEARING MATERIAL AND PIECES OF THE CONNECTING ROD END CAP, NUTS AND BOLTS IN THE OIL SUMP.
- [SDR 2017FA0000103](https://openairdocs.org/sdr/2017FA0000103.md): Pushrod · scored · Mar 17, 2017 · N962JB · Cessna 182T · Reciprocating Engine Cylinder Section
  > DURING THE INSPECTION OF PUSHRODS FOUND TWO PUSHRODS AT THE NR 2 AND 6, SCORED BEYOND LIMITS. REPLACED THE PUSHRODS AND MATING ROCKER ARMS WITH NEW.
- [SDR 2017FA0000105](https://openairdocs.org/sdr/2017FA0000105.md): Pushrod · scored · Mar 17, 2017 · N361DB · Cessna 182T · Reciprocating Engine Cylinder Section
  > DURING INSPECTION OF PUSHRODS FOUND THE NR 5, 4, & 1 PUSHRODS WORN OUT OF TOLERANCE, BOTH PUSHRODS AND ROCKER ARMS REPLACED WITH NEW.
- [SDR 2017FA0000106](https://openairdocs.org/sdr/2017FA0000106.md): Pushrod · scored · Mar 17, 2017 · N514NY · Cessna 182T · Reciprocating Engine Cylinder Section
  > DURING THE PUSHROD INSPECTION FOUND THE NR 3, 4, 5, AND 6 PUSHRODS SCORED AND REPLACED.
- [SDR 2017FA0000090](https://openairdocs.org/sdr/2017FA0000090.md): Pushrod · scored · Mar 7, 2017 · N404KR · Cessna 182T · Reciprocating Engine Cylinder Section
  > DURING INSPECTION OF SA-167A FOUND THE NR 2 CYLINDER EXHAUST PUSHROD SCORED, REPLACED THE PUSHROD AND ROCKER ARM.
- [SDR 2017FA0000092](https://openairdocs.org/sdr/2017FA0000092.md): Pushrod · scored · Mar 7, 2017 · N916WR · Cessna 182T · Reciprocating Engine Cylinder Section
  > DURING INSPECTION OF PUSHRODS, FOUND NR 4 CYLINDER EXHAUST PUSHROD SCORED, REPLACED PER SA-167A.
- [SDR 2017FA0000086](https://openairdocs.org/sdr/2017FA0000086.md): Pushrod · scored · Mar 6, 2017 · N311SB · Cessna 182T · Reciprocating Engine Cylinder Section
  > FIVE PUSHRODS FOUND TO BE SCORED ON THE NR 5, 3 AND 4 CYLINDERS, FOUND DURING THE SA-167A INSPECTION.
- [SDR 2017FA0000087](https://openairdocs.org/sdr/2017FA0000087.md): Pushrod · scored · Mar 6, 2017 · N311SB · Cessna 182T · Reciprocating Engine Cylinder Section
  > FIVE PUSHRODS FOUND TO BE SCORED ON THE NR 5, 3 AND 4 CYLINDERS, FOUND DURING THE SA-167A INSPECTION.
- [SDR 2017FA0000051](https://openairdocs.org/sdr/2017FA0000051.md): Pushrod · out of limits · Feb 9, 2017 · N514NY · Cessna 182T · Reciprocating Engine Cylinder Section
  > DURING INSPECTION OF PUSHRODS, FOUND 6 PUSHRODS AND 6 ROCKER ARMS OUT OF LIMITS IN ACCORDANCE WITH SA-167A, PARTS REPLACED UNDER WARRANTY.
- [SDR 2017FA0000052](https://openairdocs.org/sdr/2017FA0000052.md): Pushrod · worn · Feb 9, 2017 · N984SJ · Cessna 182T · Reciprocating Engine Cylinder Section
  > INSPECTION SHOWS 10 OF THE PUSHRODS HAVE WEAR. THE MAINTENANCE PROVIDER SAID THE 10 PUSHRODS, ROCKER ARMS AND ALL OF THE VALVE ROCKER SHAFTS NEED TO BE REPLACED. ON 10 AUGUST 2012, TAC TIME 578.9 NR 3 CYLINDER WAS REPLACED. DURING THE CHANGE ABNORMAL WEAR WA
- [SDR 2017FA0000053](https://openairdocs.org/sdr/2017FA0000053.md): Pushrod · scored · Feb 9, 2017 · N311SB · Cessna 182T · Reciprocating Engine Cylinder Section
  > INSPECTION REVEALED NR 5 CYLINDER, EXHAUST AND INTAKE, NR 3 CYLINDER EXHAUST AND INTAKE AND NR 4 CYLINDER EXHAUST AND INTAKE PUSHRODS SCORED BEYOND LIMITS AND REPLACED.
- [SDR 2017FA0000043](https://openairdocs.org/sdr/2017FA0000043.md): Pushrod · scored · Feb 3, 2017 · N361DB · Cessna 182T · Reciprocating Engine Cylinder Section
  > NR 1 INTAKE AND EXHAUST SCORED, NR 4 INTAKE AND EXHAUST SCORED, AND NR 5 EXHAUST SCORED, PARTS REPLACED PER SA-167A.
- [SDR 2017FA0000031](https://openairdocs.org/sdr/2017FA0000031.md): Pushrod · scored · Jan 30, 2017 · N962J · Cessna 182T · Reciprocating Engine Cylinder Section
  > NR 2 AND 6 PUSHRODS AND ROCKER ARMS REPLACED FOR EXHAUST SIDE DUE TO SA-167A INSPECTION. SCORING IS OBVIOUS AND TRANSLATED TO ROCKER ARM AS WELL. REPLACED PARTS AS NECESSARY.
- [SDR 2016FA0000672](https://openairdocs.org/sdr/2016FA0000672.md): Pushrod · scored · Dec 28, 2016 · N182EM · Cessna 182T · Reciprocating Engine Cylinder Section
  > 7 PUSHRODS AND 7 ROCKERS REQUIRE REPLACEMENT DUE TO INSPECTION CRITERIA FROM SA-167A. SCORING IS BEYOND LIMITS.
- [SDR 2016FA0000634](https://openairdocs.org/sdr/2016FA0000634.md): Pushrod · scored · Dec 15, 2016 · N622FH · Cessna 182T · Reciprocating Engine Cylinder Section
  > NR 3 CYLINDER PUSHRODS AND ROCKER REPLACED DUE TO INSPECTION IAW SA-167A. THERE WAS ALSO REPORTED STUCK VALVES AT THE NR 3 AND 6 EXHAUST VALVE ASSEMBLY.
- [SDR 2016FA0000629](https://openairdocs.org/sdr/2016FA0000629.md): Pushrod · scored · Dec 13, 2016 · N901RM · Cessna 182T · Reciprocating Engine Cylinder Section
  > TWO PUSHRODS AND MATING ROCKER ARMS HAVE SCORING THAT IS BEYOND THE LIMITS OF THE IAW SA-167A. PARTS REPLACED IN ACCORDANCE WITH SA.
- [SDR 2016FA0000630](https://openairdocs.org/sdr/2016FA0000630.md): Pushrod · scored · Dec 13, 2016 · N319KS · Cessna 182T · Reciprocating Engine Cylinder Section
  > TWO PUSHRODS AND ROCKER MATES SCORED, REPLACING PARTS IAW SA-167A.
- [SDR 2016FA0000603](https://openairdocs.org/sdr/2016FA0000603.md): Pushrod · scored · Dec 7, 2016 · N461AJ · Cessna 182T · Reciprocating Engine Cylinder Section
  > ALL PUSHRODS AND ROCKER ARMS REQUIRE REPLACEMENT DUE TO INSPECTION IAW SA-167A.
- [SDR 2016FA0000604](https://openairdocs.org/sdr/2016FA0000604.md): Pushrod · scored · Dec 7, 2016 · N901RM · Cessna 182T · Reciprocating Engine Cylinder Section
  > NR 2 INTAKE AND NR 3 EXHAUST PUSHRODS HAVE SEVER SCORING ON THE ROCKER ARM END. REPLACING IN ACCORDANCE WITH SA-167A.
- [SDR 2016FA0000591](https://openairdocs.org/sdr/2016FA0000591.md): Pushrod · scored · Dec 6, 2016 · N102BR · Cessna T182T · Reciprocating Engine Cylinder Section
  > PUSHRODS INSPECTED PER SA-167A AND 6 PUSHRODS SHOW SIGNS OF SCORING.
- [SDR 2016FA0000593](https://openairdocs.org/sdr/2016FA0000593.md): Pushrod · scored · Dec 6, 2016 · N562CB · Cessna 182T · Reciprocating Engine Cylinder Section
  > PUSHROD SCORING ON THE ROCKER END SIDE WITH THE ROCKER SHOWING SIGNS OF SCORING AS WELL, REPLACED IAW SA-167A.
- [SDR 2016FA0000148](https://openairdocs.org/sdr/2016FA0000148.md): Valve · stuck · Mar 2, 2016 · N2115K · Cessna 182T · Reciprocating Engine Cylinder Section
  > OWNER REPORTED LOSS OF POWER, EXTREMELY ROUGH RUNNING ENGINE, UNABLE TO MAINTAIN ALTITUDE, FORCED LANDING. ENGINE INSPECTION FOUND NR 4 CYLINDER EXHAUST VALVE STUCK OPEN, BENT PUSH-ROD AND ROD HOUSING. BORESCOPE INSPECTION OF THE CAMSHAFT LOBE, LIFTER FACE, R
- [SDR 2015FA0000503](https://openairdocs.org/sdr/2015FA0000503.md): Alternator · failed · Oct 27, 2015 · N90HP · Cessna 182T · AC Generator-Alternator
  > ALTERNATOR FAILED TO CHARGE DURING CROSS COUNTRY FLIGHT. INSPECTION SHOWS SEPARATION OF ALTERNATOR CASE HALVES. CASE HALF THROUGH BOLTS HELD COMPONENT INTACT BUT RESULTED IN LOSE OR SLOPPY TOLERANCE ON DRIVE SHAFT MAIN BEARING AND FAILURE TO PRODUCE CURRENT.
- [SDR CA151013008](https://openairdocs.org/sdr/CA151013008.md): Magneto · out of adjust · Sep 29, 2015 · Cessna 182T · Magneto/Distributor
  > (CAN) MAGNETO TIMING DRIFTED 5 DEGREES WITH ONLY 55 HOURS SINCE 500HR INSPECTION.
- [SDR CA151013009](https://openairdocs.org/sdr/CA151013009.md): Magneto · out of adjust · Sep 29, 2015 · Cessna 182T · Magneto/Distributor
  > (CAN) MAGNETO TIMING DRIFTED 7 DEGREES WITH ONLY 55 HRS SINCE 500HR INSPECTION.
- [SDR 2015FA0000206](https://openairdocs.org/sdr/2015FA0000206.md): Cylinder · cracked · May 13, 2015 · N594CP · Cessna 182T · Reciprocating Engine Cylinder Section
  > UPON REMOVAL OF ROCKER COVER FOR GASKET REPLACEMENT, THE OTBD ROCKER SHAFT ON THE EXHAUST WAS FOUND TO BE CRACKED. ON REMOVAL OF THE ROCKER SHAFT, THE BOSS CAME COMPLETELY OFF. THIS CYLINDER HAS NEVER HAD ANY WORK DONE TO IT AND MUST HAVE LEFT THE FACTORY CR
- [SDR NJ5R2015FA0000198](https://openairdocs.org/sdr/NJ5R2015FA0000198.md): Baffle · warped · Feb 19, 2015 · N632MR · Cessna 182T · Engine Noise Suppressor
  > FORWARD MUFFLER BAFFLE ON MUFFLER SYSTEM IS WARPED AND DISTORTED AFTER 199 HRS IN SERVICE. BAFFLE MATERIAL IS TOO THIN FOR APPLICATION.

Next page: https://openairdocs.org/engine/lycoming-io-540-ab1a5/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 = 'IO540AB1A5'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/lycoming-io-540-ab1a5/reports

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