# Service difficulty reports: Alexandria 17-30A

A list on [Alexandria 17-30A](https://openairdocs.org/model/alexandria-17-30a.md).

Newest first. General aviation reporting is voluntary.

- [SDR 2024FA0000814](https://openairdocs.org/sdr/2024FA0000814.md): Alternator · defective · Nov 4, 2024 · N28021 · Blanca 1730A · AC Generator-Alternator
  > AT THE END OF A FLIGHT TOTALING 2.5 HOURS THE AMMETER INDICATED A DISCHARGE AND LOW VOLTAGE WARNING LIGHT ILLUMINATED. I WAS ALMOST OVERHEAD MY POINT OF INTENDED LANDING, SO I COMPLETED THE LANDING AND LEFT THE AIRPLANE AT THE AIRPORT FOR THE LOCAL SHOP TO DIA
- [SDR 2024FA0000772](https://openairdocs.org/sdr/2024FA0000772.md): Engine · power loss · Dec 30, 2023 · N678MJ · Blanca 1730A · Engine (Reciprocating)
  > TOTAL LOSS OF POWER AT 400 FEET AS I INITIATED MY LEFT PATTERN TURN OUT THE 2ND TIME. THE FIRST TIME WAS 2 WEEKS BEFORE, SAME THING EXCEPT I WAS AT 500 FEET. CONTACT INFORMATION IF MORE INFORMATION IS NEEDED.
- [SDR 2018FA0000140](https://openairdocs.org/sdr/2018FA0000140.md): Wheel Half · separated · Apr 15, 2018 · N9577E · Blanca 1730A · Wheel/Ski/Float
  > UPON TAXI OUT LT MAIN WHEEL FELT LIKE A FLAT SPOT ON TIRE, PULLED OFF RUNWAY NOTICE RIM OF TIRE RUBBING ON BRAKE CALIPER WHEN WHEEL WAS TURNING, 40-75E WHEEL, UPON DISASSEMBLY NO INDICATION OF CORROSION OR MARKS FROM TOOLS.
- [SDR 2016FA0000385](https://openairdocs.org/sdr/2016FA0000385.md): Dump Valve · bypassing · Jul 30, 2016 · N666RS · Blanca 1730A · Hydraulic System, Main
  > INTERNAL FAILURE OF THE DUMP VALVE IN THE HYDRAULIC SYSTEM PREVENTED THE NOSE LANDING GEAR FROM PROPERLY EXTENDING AND LOCKING EVEN AFTER THE EMERGENCY GEAR EXTENSION LEVER WAS ACTUATED.
- [SDR CA151208017](https://openairdocs.org/sdr/CA151208017.md): Leg Assy · cracked · Dec 8, 2015 · Blanca 1730A · Main Landing Gear
  > (CAN) DURING ANNUAL INSPECTION THE LT MLG STRUT WOULD NOT HOLD A NITROGEN CHARGE. UPON FURTHER INVESTIGATION IT WAS OBSERVED THAT THE UPPER LEG OF THE MLG ASSY WAS CRACKED AT THE WELD OF THE TRUNNION FILLET TO STRUT BODY.
- [SDR 2014FA0000267](https://openairdocs.org/sdr/2014FA0000267.md): Landing Gear · collapsed · Mar 25, 2014 · N93568 · Blanca 1730A · Main Landing Gear
  > ON TOUCHDOWN, LT MLG COLLAPSED AND THE ACFT VEERED OFF TO THE LT AND CAME TO A STOP IN THE GRASSY AREA OF THE NEUTRAL ZONE OF THE RUNWAY.
- [SDR 2010FA0000831](https://openairdocs.org/sdr/2010FA0000831.md): Rod End · failed · Jul 30, 2010 · Blanca 1730A · Landing Gear Retraction/Extension System
  > DURING TOUCHDOWN, NLG FAILED AND PARTIALLY COLLAPSED UPON CONTACT WITH THE RUNWAY. DURING THE INVESTIGATION AND RESEARCH INTO THE NLG SYS AND LINKAGE, IT APPEARS THE BEARING ROD END (PN 198001-2) TO THE EXTENSION ASSY, EXPERIENCED A FATIGUE FAILURE. BASED ON
- [SDR 2007FA0000678](https://openairdocs.org/sdr/2007FA0000678.md): Shuttle Valve · malfunctioned · Jun 24, 2007 · N8847V · Blanca 1730A · Landing Gear Retraction/Extension System
  > THE AIRCRAFT LOST ELECTRICAL POWER AND PILOT TRIED TO EXTEND THE LANDING GEAR USING THE EMERGENCY LEVER. THE EMERGENCY LOWERING OF THE LANDING GEAR DID NOT TAKE PLACE AND THE PILOT HAD TO LAND THE AIRCRAFT WITH THE LANDING GEAR IN THE FULL UP POSITION. DAMAG
- [SDR 2007FA0000093](https://openairdocs.org/sdr/2007FA0000093.md): Crankshaft · broken · Dec 25, 2006 · N14690 · Blanca 1730A · Reciprocating Engine Power Section
  > CRANKSHAFT IS BROKEN IN AREA OF NR6, NR5 ROD JOURNAL. CRANKSHAFT BROKE ON APPROACH TO LANDING AS PROP RPM CONTROL WAS ADVANCED ON SHORT FINAL. ENGINE POWER UNDER VERY LOW POWER. ENGINE HAS NOT BEEN DISASSEMBLED YET. THERE IS ALREADY AN AD NOTE TO TAKE THES
- [SDR 2006FA0000881](https://openairdocs.org/sdr/2006FA0000881.md): Cover · cracked · Aug 30, 2006 · N711LA · Blanca 1730A · Turbine Engine Oil System
  > 5 INCH SPANWISE CRACK, 10 INCHES AFT OF FORWARD EDGE OF OIL SUMP COVER.
- [SDR 2005FA0001599](https://openairdocs.org/sdr/2005FA0001599.md): Muffler · broken · Dec 19, 2005 · N910EJ · Blanca 1730A · Engine Noise Suppressor
  > RT SIDE MUFFLER, REAR TAIL-PIPE OUTLET, CRACKED OFF OF THE MUFFLER ALLOWING HOT GASES TO BLOW ONTO FIREWALL AND SURROUNDING COMPONENTS. AN ENGINE FIRE OCCURRED AND AIRCRAFT MADE EMERGENCY LANDING. THE TAIL PIPE BALL JOINT FOUND TO BE STILL INTACT WITH THE (V
- [SDR 2005FA0000270](https://openairdocs.org/sdr/2005FA0000270.md): Cylinder Head · separated · Sep 28, 2004 · N28127 · Blanca 1730A · Reciprocating Engine Cylinder Section
  > AIRCRAFT ANNUAL INSP- 2 WEEKS PRIOR- REPLACED EXHAUST AND INTAKE VALVES ON NR 2 CYLINDER DUE TO LOW COMPRESSION. FLEW 6 HOURS PRIOR TO INCIDENT. IN CRUISE FLIGHT, ENGINE SUDDENLY RAN VERY ROUGH WITH VIBRATION. VFR WITH FLIGHT FOLLOWING. DECLARED EMERGENCY
- [SDR 2004FA0000145](https://openairdocs.org/sdr/2004FA0000145.md): Leg Assy · cracked · Nov 4, 2003 · N6601V · Blanca 1730A · Landing Gear Retraction/Extension System
  > A CRACK HAD FORMED, PREVIOUS TO INCIDENT, AROUND THE BUSHING BOSS ON THE INBOARD END OF THE MOUNT PORTION OF THE UPPER MAIN GEAR LEG. THE RESULT WAS THAT THE MAIN GEAR COLLAPSED IN THE OUTBOARD DIRECTION WHILE TURNING AIRCRAFT AROUND AT THE END OF THE RUNWAY.
- [SDR 20001101SH006](https://openairdocs.org/sdr/20001101SH006.md): Solenoid · failed · Aug 2, 2000 · N8223R · Blanca 1730A · Engine Starting System
  > PRIOR TO TAKEOFF ON ENGINE RUN-UP, AIRCRAFT LOST ALL ELECTRICAL POWER, STARTER SOLENOID STAYED ENGAGED. THE ENGINE RAN THE STARTER, CAUSED A REVERSE CURRENT FLOW TO THE BATTERY. BATTERY FAILED, SMOKE FROM UNDER THE COWLING. STARTER SOLENOID LOCATED ON THE F
- [SDR 20000404SH002](https://openairdocs.org/sdr/20000404SH002.md): Guide · worn · Mar 8, 2000 · N9606E · Blanca 1730A · Reciprocating Engine Cylinder Section
  > EXCESSIVE WEAR FOUND DURING COMPRESSION TEST. EXHAUST VALVE WAS LEAKING. EX GUIDE MEASURED.4384 INCH AT THE TOP AND.4624 INCH AT THE BOTTOM. EX VALVE MEASURED.4337 INCH AT THE TOP OF THE STEM AND.4263 INCH AT APPROX 2 INCHES FROM THE BOTTOM OF THE VALVE
- [SDR 20000404SH001](https://openairdocs.org/sdr/20000404SH001.md): Exhaust Valve · worn · Mar 8, 2000 · N9606E · Blanca 1730A · Reciprocating Engine Cylinder Section
  > EXCESSIVE WEAR FOUND DURING COMPRESSION TEST. EXHAUST VALVE WAS LEAKING. EX GUIDE MEASURED.4384 INCH AT THE TOP AND.4624 INCH AT THE BOTTOM. EX VALVE MEASURED.4337 INCH AT THE TOP OF THE STEM AND.4263 INCH AT APPROX 2 INCHES FROM THE BOTTOM OF THE VALVE
- [SDR 20000412SH008](https://openairdocs.org/sdr/20000412SH008.md): Wire · arced · Feb 10, 2000 · N8843V · Blanca 1730A · AC Generator-Alternator
  > OPERATOR REPORTED DISCHARGE FROM ALTERNATOR IN CRUISE FLIGHT. MASTER SWITCH WAS TURNED OFF. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE DISCOVERED ONE BRUSH WIRE BROKEN AND THE RETAINER SPRING WELDED TO THE HOLDER. (X)
- [SDR 99ZZZX4424](https://openairdocs.org/sdr/99ZZZX4424.md): Collector · separated · Nov 10, 1999 · N93568 · Blanca 1730A · Engine Collector/Tailpipe/Nozzle
  > OPERATOR REPORTED STRONG EXHAUST SMELL IN COCKPIT. REMOVED COWL AND FOUND THE RIGHT EXHAUST BROKEN AT THE COLLECTOR OUTLET. ATTEMPTED A WELD REPAIR, BUT FOUND THE BASE METAL DETERIORATED BEYOND REPAIR. INSTALLED AN EXCHANGE UNIT. TOTAL TIME ON PART UNKNOWN
- [SDR 99ZZZX2410](https://openairdocs.org/sdr/99ZZZX2410.md): Support · failed · May 18, 1999 · N179TW · Blanca 1730A · Main Landing Gear Attach Section
  > LEFT MG UPPER STRUT HOUSING WELD FAILED CAUSING STRUT TO TEAR LOOSE FROM TRUNNION. REMOVED RIGHT MG UPPER STRUT HOUSING AND FOUND FAILED WELD. APPEARED TO BE LACK OF PENETRATION AT MANUFACTURERS. RE-WELDED TO REPAIR,BOTH UNITS.
- [SDR 99ZZZX1936](https://openairdocs.org/sdr/99ZZZX1936.md): Cylinder · loose · Apr 26, 1999 · N4058B · Blanca 1730A · Reciprocating Engine Cylinder Section
  > ENGINE LOG ENTRY JANUARY 3, 1991, FOR REMOVAL AND REPLACEMENT OF ALL 6 ENGINE CYLINDERS. CYLINDERS INSTALLED WERE CERMICRON CYLINDERS, FLANGES WERE PAINTED ORANGE. AIRCRAFT EXPERIENCED ENGINE FAILURE DUE TO NR 2 CYLINDER LOOSENED FOR THE ENGINE CASE. THIS W
- [SDR 98ZZZX3018](https://openairdocs.org/sdr/98ZZZX3018.md): Strut · malfunctioned · Jul 1, 1998 · N6302X · Blanca 1730A · Main Landing Gear Strut/Axle/Truck
  > LEFT MAIN GEAR WOULD NOT COMPLETELY RETRACT. FOUND THE STRUT PRESSURE WAS IN EXCESS OF 120 PSI WITH CORrECT PRESSURE. OPS CHECKED OK.
- [SDR 98ZZZX3073](https://openairdocs.org/sdr/98ZZZX3073.md): Extension Assy · separated · Jun 18, 1998 · N4038B · Blanca 1730A · Landing Gear Retraction/Extension System
  > ON LANDING, ROD END SEPARATED FROM NLG EXTENSION ASSEMBLY.
- [SDR 97ZZZX2879](https://openairdocs.org/sdr/97ZZZX2879.md): Relay · detached · May 29, 1997 · N93603 · Blanca 1730A · Landing Gear Retraction/Extension System
  > RELAY CAME LOOSE FROM SOCKET. RELAY IS MOUNTED UPSIDE DOWN IN AIRCRAFT. NO WAY TO ATTACH IN HOLDER. NEEDS SOME TYPE OF POSITIVE LOCKING. IF SWITCH COMES LOOSE ON ONE SIDE, GEAR WILL NOT GO UP. IF SWITCH COMES LOOSE ON THE OTHER SIDE, GEAR WILL NOT GO DOWN
- [SDR 96ZZZX362](https://openairdocs.org/sdr/96ZZZX362.md): Steering Collar · failed · Dec 24, 1995 · N9558E · Blanca 1730A · Landing Gear Steering System
  > DURING TAKEOFF ROLL, NOSE GEAR COLLAPSED. UPON INVESTIGATION, THE REAR STEERING COLLAR ASSEMBLY WAS FOUND BROKEN, WHICH ALLOWED NOSE WHEEL TO PIVOT FREELY. THE NOSE WHEEL PREPARED TO HAVE TURNED 90 DEGREES FROM ITS CENTER POSITION WHICH, IN TURN, ALLOWED THE
- [SDR 95ZZZX6300](https://openairdocs.org/sdr/95ZZZX6300.md): Connector · shorted · Oct 26, 1995 · N286SV · Blanca 1730A · Landing Gear Position and Warning
  > LANDING GEAR MOTOR AND WARNING LIGHT WOULD NOT GO OFF IN THE DOWN MODE, BUT DID HAVE THREE GREEN DOWN LIGHTS. FOUND AMPHENOL CONNECTOR WHICH CONTAINS LIGHT DIODES SHORTED WITH METAL SHAVINGS.
- [SDR 95ZZZX4514](https://openairdocs.org/sdr/95ZZZX4514.md): Bulkhead · cracked · Aug 16, 1995 · N8223R · Blanca 1730A · Propeller Spinner Section
  > PROPELLER BULKHEAD CRACK FOUND DURING ANNUAL INSPECTION. POSSIBLE CAUSE OF CRACK IS SLIGHT DISHING OF BULKHEAD THAT IS FLATTENED OUT WHEN MOUNT BOLTS ARE TIGHTENED.
- [SDR 95ZZZX4513](https://openairdocs.org/sdr/95ZZZX4513.md): Bracket · cracked · Aug 16, 1995 · N8223R · Blanca 1730A · Landing Gear Retraction/Extension System
  > BRACKET PASSED 10X INSPECTION ON AIRCRAFT. NOSE GEAR REMOVAL FOR REBUILD ALLOWED BRACKET INSPECTION WITH DRAG LINK REMOVED. DYE PENETRANT REVEALED CRACKS OUT OF LOWER HOLE BOTH SIDES, HEADING TO EDGE OF BRACKET. BRACKET WAS SLIGHTLY BENT AT CRACKED HOLE.
- [SDR 95ZZZX4386](https://openairdocs.org/sdr/95ZZZX4386.md): Cooler · cracked · Aug 16, 1995 · N8223R · Blanca 1730A · Engine Oil Cooler
  > REPAIR STATION FOUND CRACKS IN MOUNTING BASE OF OIL COOLER DURING OVERHAUL TO CORRECT LEAK IN TUBES. EXCHANGE UNIT WAS INSTALLED.
- [SDR 95ZZZX3129](https://openairdocs.org/sdr/95ZZZX3129.md): Prop Control · bolt worn · May 26, 1995 · N14793 · Blanca 1730A · Propeller Controlling System
  > WHILE RUNNING THE ACFT AFTER AN ANNUAL INSPECTION, FOUND PROP CONTROL VERY STIFF. EVENTUALLY, AFTER ATTEMPTING TO MOVE THE CONTROL, IT BROKE OFF. THE POINT OF BREAK WAS APPROXIMATELY 8 INCHES FORWARD ON THE CONTROL KNOB. IN REPLACING THE CABLE, FOUND THE BO

## 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 = '1730A'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/model/alexandria-17-30a/reports

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