# Service difficulty reports: Cessna 150L

A list on [Cessna 150L](https://openairdocs.org/model/cessna-150l.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 3 · 118 reports

- [SDR 2025FA0000791](https://openairdocs.org/sdr/2025FA0000791.md): Volt Regulator · defective · Aug 24, 2025 · N18KK · Cessna 150L · DC Regulator
  > VOLTAGE REGULATOR FAILURE IN FLIGHT RESULTED IN OVERVOLTAGE CONDITION. CAUSED BATTERY OVERHEATING/SWELLING AND COMMUNICATION RADIO FAILURE. NO FIRE OR SMOKE NOTED. PART INSTALLED PER AIRCRAFT MAINTENANCE MANUAL. AIRCRAFT LANDED SAFELY WITH LOSS OF COMMUNICATIO
- [SDR 2022FA0000727](https://openairdocs.org/sdr/2022FA0000727.md): Exhaust Valve · stuck · Nov 23, 2022 · N66062 · Cessna 150L · Reciprocating Engine Cylinder Section
  > ENGINE ROUGH RUNNING DURING PRE-TAKE OFF RUN UP. COMPRESSION TEST FINDS NONE IN #4 CYLINDER. DISASSEMBLED, FOUND EXHAUST VALVE STUCK DUE CARBON BUILD UP IN VALVE GUIDE. CLEANED VALVE AND GUIDE, RE-ASSEMBLED, RE-INSTALLED, OPERATION SATIFACTORY
- [SDR 2022FA0000752](https://openairdocs.org/sdr/2022FA0000752.md): Exhaust Valve · destroyed · Nov 20, 2022 · N10612 · Cessna 150L · Reciprocating Engine Cylinder Section
  > EXHAUST VALVE BROKE OFF AT BASE OF VALVE STEM, CAUSING DESTRUCTION OF CYLINDER COMBUSTION CHAMBER AND SUBSEQUENT ENGINE FAILURE.
- [SDR 2022FA0000695](https://openairdocs.org/sdr/2022FA0000695.md): Seal · split · Jan 28, 2021 · N5297Q · Cessna 150L · Landing Gear Steering System
  > STEERING ROD SEALS, BOTH LEFT AND RIGHT HAD SEVERAL SPLITS AND CRACKS IN THE SEAL MATERIAL. THESE ARE LOCATED ABOUT 12" - 15" AFT OF EXHAUST OUTLETS. SEALS HAD BEEN PREVIOUSLY REPLACED. EXHAUST GASSES MAY ENTER FUSELAGE THROUGH OPENINGS. CARBON MONOXIDE HAZARD
- [SDR 2021FA0000088](https://openairdocs.org/sdr/2021FA0000088.md): Seal · cracked · Jan 28, 2021 · N5297Q · Cessna 150L · Landing Gear Steering System
  > LEFT AND RIGHT STEERING ROD SEALS HAD SEVERAL SPLITS AND CRACKS IN THE SEAL MATERIAL. CRACKS WERE LOCATED ABOUT 12 TO 15 INCHES AFT OF EXHAUST OUTLETS. SEALS HAD BEEN PREVIOUSLY REPLACED. EXHAUST GASSES MY ENTER FUSELAGE THROUGH OPENINGS. CARBON MONOXIDE HAZAR
- [SDR 2020FA0000249](https://openairdocs.org/sdr/2020FA0000249.md): Crankshaft · cracked · May 12, 2020 · N21900 · Cessna 150L · Reciprocating Engine Power Section
  > AIRCRAFT IN FOR ANNUAL INSPECTION, REMOVED SPINNER TO CHECK PROP HUB, S/N, MODEL. NOTICED CRANKSHAFT OIL PLUG MISSING, LOOKED INSIDE CRANKSHAFT BORED HOLE I NOTICE A 1/2" CRACK AT BOTTOM OF BORED HOLE CRACK STARTS AT CENTER OF CRANKSHAFT AND RADIATES OUTWARD.
- [SDR 2016FA0000417](https://openairdocs.org/sdr/2016FA0000417.md): Cylinder · separated · Sep 9, 2016 · N10770 · Cessna 150L · Reciprocating Engine Cylinder Section
  > AIRCRAFT WAS IN NORMAL CRUISE WHEN THE PILOT HEARD A LOUD BANG FROM THE ENGINE, RESULTING IN A PARTIAL LOSS OF POWER. FORCED LANDING OFF-AIRPORT. EXAMINATION OF THE ENGINE REVEALED THAT THE NR 2 CYLINDER HAS BROKEN IN THE BARREL AREA. ENGINE PART TT IS UNKN
- [SDR 2015FA0000332](https://openairdocs.org/sdr/2015FA0000332.md): Solenoid · shorted · Jun 5, 2015 · N1561Q · Cessna 150L · Engine Starter
  > WHILE IN PATTERN, COMMUNICATION WAS LOST BETWEEN ACFT AND TOWER. ACFT WAS CLEARED TO LAND USING LIGHT GUN SIGNALS. LANDING WAS UNEVENTFUL. MAINTENANCE FOUND STARTER SOLENOID HAD AN INTERNAL SHORT THAT DEPLETED ELECTRICAL POWER.
- [SDR CA140127003](https://openairdocs.org/sdr/CA140127003.md): Muffler · cracked · Jan 17, 2014 · Cessna 150L · Engine Noise Suppressor
  > (CAN) DURING CF-90-03, INSPECTION A CRACK WAS FOUND AT FORWARD FLANGE. CRACK IS APPROXIMATELY 75 PERCENT AROUND THE CIRCUMFERENCE. THERE IS SEPERATION ALONG THE CRACK. EXHAUST TRAILS ARE FOUND INSIDE SHROUD AND WELL DOWN INTO HOT AIR DUCTING. MUFFLER IDENTIFI
- [SDR 2011FA0000678](https://openairdocs.org/sdr/2011FA0000678.md): Bulkhead · cracked · Sep 24, 2011 · N11317 · Cessna 150L · Propeller Spinner Section
  > THE BULKHEAD WAS INSTALLED ON 5/5/2007, 1476.4 TT. ON LATEST INSPECTION, A CRACK WAS DISCOVERED AT THE BASE OF THE PROPELLER HUB. ON REMOVAL OF PROPELLER, IT WAS DISCOVERED THAT SEVERE CRACK WENT 85 PERCENT THE WAY AROUND THE CENTER OF THE BULKHEAD. SPINNER
- [SDR CA110509011](https://openairdocs.org/sdr/CA110509011.md): Piston Ring · worn · May 9, 2011 · Cessna 150L · Reciprocating Engine Power Section
  > (CAN) DURING AN INTERNAL INSPECTION OF THE ENGINE, WHEN THE PISTONS WERE REMOVED FROM THE CYLINDERS, EACH OF THE FACES OF THE TOP PISTON RINGS HAD STRIPS OF CHROME PLATING MISSING BETWEEN THE TOP AND THE BOTTOM OF THE RING AROUND APPROXIMATELY 70 PERCENT OF TH
- [SDR 2011FA0000221](https://openairdocs.org/sdr/2011FA0000221.md): Cylinder · galled · Mar 24, 2011 · N592HP · Cessna 150L · Reciprocating Engine Cylinder Section
  > DURING O/H, NEW STEEL CYLINDERS WERE INSTALLED AT CUSTOMERS REQUEST. THE STEEL CYL KIT TIST61.1DCA CONSISTED OF CYL ASSEMBLIES SN: 22070-146, 22070-141,22070-140 & 22070-133. AFTER REINSTALLATION OF THE ENG, AN ENG TEST RUN WAS PERFORMED WITH NORMAL RESULTS.
- [SDR CA110322002](https://openairdocs.org/sdr/CA110322002.md): Shaft · bent · Mar 21, 2011 · Cessna 150L · Fuel Control/Reciprocating Engines
  > (CAN) DURING INVESTIGATION OF AN UNRELATED ENG SNAG, THE THROTTLE SHAFT WAS FOUND TO BE SLIGHTLY BENT ON THE THROTTLE CONTROL ATTACH SIDE, JUST OUTSIDE THE THROTTLE BODY ASSEMBLY. THE CARBURETOR WAS REPLACED WITH A SERVICEABLE UNIT.
- [SDR CA110314018](https://openairdocs.org/sdr/CA110314018.md): Exhaust Pipe · cracked · Mar 3, 2011 · Cessna 150L · Engine Collector/Tailpipe/Nozzle
  > (CAN) EXHAUST PIPE WELD CRACKED AT HEAT EXCHANGER NR 4 CYLINDER.
- [SDR CA090708001](https://openairdocs.org/sdr/CA090708001.md): Firewall · deformed · Jul 6, 2009 · Cessna 150L · Nacelle/Pylon, Bulkhead/Firewall
  > (CAN) INSP OF NOSE ASSY REVEILED A SOFT SHIMMY DAMPER, DAMPER WAS SERVICED. INSP REVEALED THAT ACFT PROBABLY HAD A NOSE TIRE LANDING SINCE MINOR DEFORMATION OF UPPER FIREWALL SKIN NOTED. INSP REVEALED THAT BOLT IDENTIFIED IN IPC FIGURE 32, ITEM 3, BENT SO TH
- [SDR CA090619006](https://openairdocs.org/sdr/CA090619006.md): Valve · stuck · Jun 18, 2009 · Cessna 150L · Reciprocating Engine Cylinder Section
  > (CAN) DURING FLIGHT TO PRACTICE AREA, ACFT DEVELOPED A VIBRATION AND LOST RPM. CREW DECIDED TO RETURN TO AIRPORT. RUN UP ON GROUND PERFORMED AND CONFIRMED ROUGH RUNNING ENGINE. TROUBLESHOOTING DISCOVERED THAT EXHAUST VALVE ON NR 3 CYLINDER WAS STUCK IN THE
- [SDR CA090401020](https://openairdocs.org/sdr/CA090401020.md): Bulkhead · cracked · Mar 3, 2009 · Cessna 150L · Propeller Spinner Section
  > (CAN) BULKHEAD CRACKED.
- [SDR 2008FA0000773](https://openairdocs.org/sdr/2008FA0000773.md): Cylinder · cracked · Sep 29, 2008 · N5307Q · Cessna 150L · Reciprocating Engine Cylinder Section
  > NR 4 CYLINDER FOUND CRACK AT BARREL BETWEEN COOLING FINS. CRACK WAS APPROX 300 DEGREES AROUND CYLINDER CIRCUMFERENCE. SYMPTOMS INCLUDED ROUGH RUNNING, LARGE OIL LEAK AND SMOKE. CATASTROPHIC FAILURE WAS EMANATE AND WOULD HAVE CAUSED COMPLETE LOSS OF ENGINE P
- [SDR CA080221002](https://openairdocs.org/sdr/CA080221002.md): Muffler · damaged · Feb 8, 2008 · Cessna 150L · Engine Noise Suppressor
  > (CAN) THIS IS AN ON GOING ISSUE. THIS EXHAUST MUFFLER PASSED THE VISUAL INSP AS CF90-03. WHEN PRESSURE TESTED WITH AIR AND WATER, 3 PIN HOLES SHOWED. 2 WERE IN OPEN BARE METAL SURFACE. ONE WAS IN THE LONGITUDINAL SEAM. ANOTHER EXPERIENCED AME WAS IN MY SHOP FO
- [SDR CA071126006](https://openairdocs.org/sdr/CA071126006.md): Gear · broken · Nov 6, 2007 · Cessna 150L · Engine Starter
  > (CAN) STARTER DRIVE ENGAGES ON TEETH ON GEAR. STARTER WAS SLIPPING, TOOK APART TO EXAMINE AND FOUND 3 BROKEN TEETH. STARTER IS LIGHT WEIGHT. REPLACE STARTER SOLENOID 19 HOURS EARLIER AND BELIEVE FAULTY SOLENOID CAUSE OF PROBLEM. (TC NR 20071126006)
- [SDR CA070910006](https://openairdocs.org/sdr/CA070910006.md): Cylinder · stuck · Sep 1, 2007 · Cessna 150L · Reciprocating Engine Cylinder Section
  > (CAN) ON CLIMB OUT AFTER TAKEOFF, THE PILOT NOTICED MILD TO MODERATE ENGINE VIBRATION WITH A PARTIAL LOSS OF POWER. A RETURN TO THE AIRSTRIP WAS CARRIED OUT WITH A SUCCESSFUL LANDING. ON INVESTIGATION BY AN AME, THE PROBLEM WAS NOTICED AS AN EXHAUST VALVE STUC
- [SDR CA070329006](https://openairdocs.org/sdr/CA070329006.md): Cylinder · detached · Mar 13, 2007 · Cessna 150L · Reciprocating Engine Cylinder Section
  > (CAN) ENGINE VIBRATION AND POWER LOSS IN FLIGHT, ENGINE CAME TO TOTAL STOP ON TAXIWAY. CYLINDER NR 4 FOUND DETACHED. ENGINE (2587.4 HOURS). ENGINE REMOVED FOR OVERHAULED. (TC NR 20070329006)
- [SDR CA070214004](https://openairdocs.org/sdr/CA070214004.md): Exhaust Valve · broken · Feb 3, 2007 · Cessna 150L · Reciprocating Engine Cylinder Section
  > (CAN) DURING TAKEOFF, AN ENGINE VIBRATION WAS FELT. A PRIORITY LANDING WAS REQUESTED. CYLINDER EXHAUST VALVE NR 3 FOUND BROKEN AT THE VALVE HEAD. CYLINDER SA10200, S/N AM1376 INSTALLED. OTHER VALVES INSPECTED AND REPLACED VALVES SA10204 ON CYLINDER NR 4 AND NR
- [SDR CA051104008](https://openairdocs.org/sdr/CA051104008.md): Washer · damaged · Oct 7, 2005 · Cessna 150L · Standard Practices/Structures
  > (CAN) PARTIAL POWER LOSS IN-FLIGHT. UPON INSPECTION, CONTRACT AMO FOUND A WASHER LODGED UNDER AN INTAKE AND EXHAUST VALVE, CAUSING ZERO COMPRESSION. ON DISASSEMBLY, SCREW FOUND IN SCAT HOSE LEADING FROM CARB HEAT INTAKE PORT TO HEAT MUFF. LIKELY SCREW AND WAS
- [SDR 2005FA0001201](https://openairdocs.org/sdr/2005FA0001201.md): Rotor Shaft · sheared · Aug 13, 2005 · N18583 · Cessna 150L · AC Generator-Alternator
  > ALTERNATOR SHAFT SHEARED AT BEARING LOCATION. DRIVE GEAR, BUSHINGS, RETAINER AND COUPLING ASSEMBLY ROLLED BETWEEN ENGINE ACCESSORY CASE AND DRIVE GEAR. THE SHAFT HAD BEEN PREVIOUSLY CRACKED OVER 50 PERCENT PRIOR TO FAILURE. (K)
- [SDR CA050405003](https://openairdocs.org/sdr/CA050405003.md): Shimmy Dampener · failed · Mar 21, 2005 · Cessna 150L · Shimmy Damper
  > (CAN) SHIMMY DAMPNER FAILED AT TAKEOFF CAUSING A VIBRATION. AIRCRAFT CAME TO REST WITH ONLY MINIMAL DAMAGE. SHIMMY DAMPNER REPLACED.
- [SDR CA050126003](https://openairdocs.org/sdr/CA050126003.md): Exhaust Valve · corroded · Jan 25, 2005 · Cessna 150L · Reciprocating Engine Cylinder Section
  > (CAN) POOR ACCELERATION AND SLUGGISH PERFORMANCE DURING POWER UP AND DIFFERENT POWER SETTINGS. WHEN APPLYING POWER, ENGINE STUMBLED. INITIALLY SUSPECTED CARB ICING BUT GROUND CHECK RESULTED IN SAME FAILURE TO PRODUCE POWER. PRELIMINARY D/P CHECK SHOWED LOW PO
- [SDR CA041130004](https://openairdocs.org/sdr/CA041130004.md): Line · worn · Nov 16, 2004 · Cessna 150L · Engine Oil Pressure
  > (CAN) THE OIL PRESSURE LINE UNDER THE INSTRUMENT PANEL WAS CHAFED AGAINST THE CABIN HEATER CONTROL CABLE. WE REPLACED THE PRESSURE LINE AND INSTALLED IT CORRECTLY.
- [SDR CA041110006](https://openairdocs.org/sdr/CA041110006.md): Flap Track · worn · Oct 29, 2004 · Cessna 150L · Trailing Edge Flaps
  > (CAN) ON INSPECTION FLAP TRACK GROOVES FOUND BADLEY WORN,PARTS WERE REPLACED AS REQUIRED.
- [SDR CA041110005](https://openairdocs.org/sdr/CA041110005.md): Flap Track · worn · Oct 29, 2004 · Cessna 150L · Trailing Edge Flaps
  > (CAN) ON INSPECTION FLAP TRACK GROOVES WERE FOUND BADLEY WORN. PARTS WERE REPLACED AS REQUIRED.
- [SDR CA041110004](https://openairdocs.org/sdr/CA041110004.md): Rib · cracked · Oct 29, 2004 · Cessna 150L · Wing, Rib/Bulkhead
  > (CAN) THE RIB WAS FOUND CRACKED AROUND ONE OF THE STRENGTHENING DIMPLES OF THE RIB, ABOUT 1.5 INCHES IN LENGTH. A NEW PART WAS INSTALLED AS REQUIRED.
- [SDR CA041110007](https://openairdocs.org/sdr/CA041110007.md): Door Frame · cracked · Oct 29, 2004 · Cessna 150L · Fuselage Main, Structure
  > (CAN) ON INSPECTION FOUND CRACKED AT UPPER FWD RADIUS ABOUT 1.0 INCH IN LENGTH. PART WAS REPLACED AS REQUIRED.
- [SDR CA041012004](https://openairdocs.org/sdr/CA041012004.md): Windshield · failed · Sep 30, 2004 · Cessna 150L · Flight Compartment Windows
  > DURING A ROUTINE TRAINING FLT FOR A-CLASS IV INSTRUCTOR RATING, WINDSHIELD CRACKED AND BLEW IN. PRIOR TO WINDSHIELD BREAKING, INSTRUCTOR CANDIDATE HAD BEEN PERFORMING SPIRAL DIVE LESSON DEMONSTRATION WHEN THE WINDSHIELD BROKE, AND HAD JUST COMPLETED A RECOVER
- [SDR CA040907001](https://openairdocs.org/sdr/CA040907001.md): Rib · cracked · Sep 1, 2004 · Cessna 150L · Horizontal Stabilizer, Attach Fittings
  > (CAN) PART NUMBER 0432001-46 & 0432001-6 LEADING EDGE RIB ASSEMBLIES (FIGURE 18, ITEM 18 & 17 CESSNA PARTS MANUAL) ARE VERY DIFFICULT TO SEE. THE USE OF A MIRROR THROUGH THE HORIZONTAL SPAR AND RIB LIGHTNING HOLES IS THE ONLY WAY TO SEE THE CRACKS ALONG THE TA
- [SDR 2004FA0000529](https://openairdocs.org/sdr/2004FA0000529.md): Cylinder · cracked · Apr 26, 2004 · N1050C · Cessna 150L · Reciprocating Engine Cylinder Section
  > PILOT REPORTED ENG RUNNING ROUGH AND SMELLED OIL IN COCKPIT SHORTLY AFTER TAKE OFF, MANAGED TO MAKE EMERGENCY LANDING ON DEPARTURE AIRPORT, DETERMINED CYLINDER NR 2 BARREL CRACKED ALMOST ALL THE WAY AROUND 2.8750 INCHES UP FROM BASE CAUSE UNKNOWN EXCEPT POSSIB
- [SDR CA040730003](https://openairdocs.org/sdr/CA040730003.md): Exhaust Valve · deformed · Jan 23, 2004 · Cessna 150L · Reciprocating Engine Cylinder Section
  > ON 200 HOUR INSPECTION, BOTH LEFT SIDE EXHAUST VALVES FOUND TO BE DEFORMED AT TOP OF STEM BELOW VALVE SEAT CYLINDERS 2 AND 4, JAN 12/04. ENGINE TIME AT INSPECTION 1506.5. ENGINE OVERHAULED SEPT. 20/90 BY VOWELL AVIATION. TTSB 4724,5. EXHAUST VALVES REPLACED.
- [SDR R142003F00002](https://openairdocs.org/sdr/R142003F00002.md): Caliper · corroded · Oct 30, 2003 · N427JW · Cessna 150L · Landing Gear Brake System
  > LEFT BRAKE CALIPER REMOVED AND INSPECTION OF PART FOUND CORROSION AND PITTING ON CALIPER PISTON WALLS. PISTON WAS BINDING WHEN MOVED. THE PISTON WOULD NOT MOVE FREELY WITNIN CALIPER HOUSING. INSTALLED NEW LEFT BRAKE CALIPER.
- [SDR 2003FA0001178](https://openairdocs.org/sdr/2003FA0001178.md): Caliper · corroded · Oct 30, 2003 · N427JW · Cessna 150L · Landing Gear Brake System
  > LT BRAKE CALIPER REMOVED AND INSPECTION OF PART FOUND CORROSION AND PITTING ON CALIPER PISTON WALLS. PISTON WAS BINDING WHEN MOVED. THE PISTON WOULD NOT MOVE FREELY WITHIN CALIPER HOUSING.
- [SDR CA030812003](https://openairdocs.org/sdr/CA030812003.md): Rocker · worn · Aug 12, 2003 · Cessna 150L · Reciprocating Engine Cylinder Section
  > (CAN) ON VISUAL INSPECTION OF VALVE TRAIN ASSY ON ALL FOUR CYLINDERS. NOTED EXCESSIVE WEAR TO ROCKER ARM BOSSES, ROCKER ARM BUSHINGS & ROCKER SHAFTS. SHAFTS ARE ANCHORED BY SET SCREWS. FIRST INDICATION IS THAT THE LINE UP MARKS ON THE ENDS OF THE PINS DO NOT
- [SDR CA030423006](https://openairdocs.org/sdr/CA030423006.md): Rib · cracked · Apr 23, 2003 · Cessna 150L · Horizontal Stabilizer, Spar/Rib
  > (CAN) LEADING EDGE RIB ASSEMBLIES ARE VERY DIFFICULT TO SEE.THE USE OF A MIRROR THROUGH THE HORIZONTAL SPAR AND RIB LIGHTNING HOLES IS THE ONLY WAY TO SEE THE CRACKS ALONG THE TABS.WE BELIEVE THE RIBS ARE CRACKING DUE TO IMPROPER GROUND HANDLING.THE PRACTICE O
- [SDR CA030401004](https://openairdocs.org/sdr/CA030401004.md): Spar · cracked · Apr 1, 2003 · Cessna 150L · Horizontal Stabilizer, Spar/Rib
  > (CAN) ON INSPECTION 0432001-15 SPAR REINFORCEMENT FOUND CRACKED AFTER DISASSEMBLEY LT & RT SPARS ALSO FOUND CRACKED. REASSEMBLED WITH NEW PARTS INCLUDING NEW STYLE BRACKET. AIRCRAFT RETURNED TO SERVICE.
- [SDR CA030318011](https://openairdocs.org/sdr/CA030318011.md): Drive Gear · worn · Mar 18, 2003 · Cessna 150L · Engine Starter
  > (CAN) DURING 50 HR INSPECTION, OIL FILTER ELEMENT WAS INSPECTED. STEEL PARTICLES WERE FOUND. NR 2 & 4 CYLINDERS WERE REMOVED FOR EXAMINATION OF CAMSHAFT & FOLLOWERS. NO FAULT FOUND. REMOVED THE TCM LIGHTWEIGHT STARTER, THE DRIVE GEAR WAS FOUND TO BE EXCESSIVE
- [SDR CA030320003](https://openairdocs.org/sdr/CA030320003.md): Cylinder Head · cracked · Mar 14, 2003 · Cessna 150L · Reciprocating Engine Cylinder Section
  > (CAN) CRACK IN ALUMINUM HEAD RUNNING UNDER TOP SPARKPLUG HOLE. CRACK DOES NOT EXTEND INTO COMBUSTION CHAMBER - NO LEAKAGE FOUND DURING PRESSURE TEST. CYLINDER REMOVED AND REPLACED WITH RECONDITIONED UNIT.
- [SDR H9Q2003F00000](https://openairdocs.org/sdr/H9Q2003F00000.md): Elt · misoverhauled · Feb 17, 2003 · N11418 · Cessna 150L · Emergency Locator Beacon
  > DURNG THE COURSE OF AN ANNUAL INSPECTION, ACCESS WAS GAINED TO THE ELT FOR TESTING AND BATTERY DATE VERIFICATION. THE FOLLOWING DISCREPANCIES WERE IMMEDIATELY OBVIOUS. THE UNIT HAD BEEN CONNECTED TO THE EXISTING SYSTEMS ANTENNA. THE REMOTE PANEL INDICATOR S
- [SDR 2003FA0000199](https://openairdocs.org/sdr/2003FA0000199.md): Spinner · damaged · Feb 17, 2003 · N11418 · Cessna 150L · Propeller Spinner Section
  > PROP REMOVED TO FACILITATE REPLACEMENT OF ENG CRANKSHAFT SEAL. REMOVAL OF SPINNER, SEVERE WEAR AND FRETTING OF INNER SURFACE WAS NOTED WHERE FWD BULKHEAD (PN04500503) CONTACTS SPINNER. AFTER REMOVING PROP, PROP MOUNT BOLTS WERE OVERTORQUED, RESULTING IN DEFO
- [SDR CA030115005](https://openairdocs.org/sdr/CA030115005.md): Door Frame · cracked · Jan 15, 2003 · Cessna 150L · Fuselage Main, Structure
  > (CAN) DOOR POST SKIN EXTERIOR FOUND 0.5 INCH CRACK AT THE CENTRE OF THE CURVE CUTOUT AT THE FORWARD UPPER DOOR ON THE FUSELAGE.
- [SDR 2002FA0001208](https://openairdocs.org/sdr/2002FA0001208.md): Transistor · unapproved part · Oct 16, 2002 · N19255 · Cessna 150L · ATC Transponder System
  > TRANSPONDER FAILURE: IDENT PULSE PRESENT AND REPLY LAMP LIT WHEN UNIT HOT. (NOT COMMANDED) FOUND Q22 AND ASSORTED CIRCUIT VERY TEMPERATURE SENSITIVE. REPLACED COMPONENTS AND FOUND Q22 NOT STANDARD PART. PART INSTALLED AN ECG TPE 123. PART REPLACED WITH A
- [SDR CA020729011](https://openairdocs.org/sdr/CA020729011.md): Wheel · cracked · Jul 16, 2002 · Cessna 150L · Wheel/Ski/Float
  > (CAN) UPON INSEPCTION IT WAS DISCOVERED THAT THE HUB WAS CRACKED IN THE AREA OF THE GREASE SEAL RETAINING RING. THE CRACK IS ONLY ABOUT 3/8 INCH LONG AND TRAVELS PARALLEL TO THE RETAINING RING GROOVE JUST BELOW IT. HUB WAS REPLACED.
- [SDR CA020307015](https://openairdocs.org/sdr/CA020307015.md): Gear · broken · Mar 4, 2002 · Cessna 150L · Reciprocating Engine Oil System
  > (CAN) PILOT RETURNED TO BLOCKS AND SHUT ENGINE DOWN AFTER NOTICING THAT THE RPM GAUGE WAS UNSERVICABLE. UPON FURTHER INSPECTION FOUND THAT THE UPPER OIL PUMP GEAR, WHICH IS ALSO THE TACHOMETER DRIVE SHAFT. HAD SPLIT. THE PIECE WAS RECOVERED. AND THE GEAR / SH
- [SDR CA020307010](https://openairdocs.org/sdr/CA020307010.md): Casting · corroded · Mar 4, 2002 · Cessna 150L · Reciprocating Engine Rear Section
  > (CAN) WHILE REMOVING COMPONENTS OFF OF THE ACCESORIE CASE, (UN RELATED REPAIR) DISCOVERED VER DEEP PITTING AND CORROSSION AROUND THE RIGHT MAGNETO OPENING.CASTING WAS REPLACED.

Next page: https://openairdocs.org/model/cessna-150l/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 aircraft_model_key = '150L'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/model/cessna-150l/reports

---
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