# Service difficulty reports: Aerospatiale AS 355F A list on [Aerospatiale AS 355F](https://openairdocs.org/model/aerospatiale-as-355f.md). Newest first. General aviation reporting is voluntary. - [SDR BAQA200700029](https://openairdocs.org/sdr/BAQA200700029.md): Skin · cracked · Aug 13, 2007 · N652PM · Aerosp AS355F · Horizontal Stabilizer, Plate/Skin > DURING 500 HOUR AIRFRAME INSPECTION FOUND A CRACK IN THE SKIN OF THE HORIZONTAL STABILIZER. REMOVED AND REPLACED THE HORIZONTAL STABILIZER. - [SDR BAQA093002](https://openairdocs.org/sdr/BAQA093002.md): Encoder · out of tolerance · Feb 20, 2004 · N912KY · Aerosp AS355F · Altimeter, Barometric/Encoder > ENCODER UNIT IS OUT OF TOLERANCE. REPLACED WITH SERVICABLE UNIT (S/N 33768) 03/02/2004 - [SDR BAQA085088](https://openairdocs.org/sdr/BAQA085088.md): Governor · inoperative · Mar 4, 2003 · N9UC · Aerosp AS355F · Turbine Governor > GOVERNOR WILL NOT GOVERN, INOPERATIVE. REPLACED WITH SERVICEABLE UNIT. - [SDR AU000397](https://openairdocs.org/sdr/AU000397.md): Bearing · failed · Apr 27, 2000 · Aerosp AS355F · Tail Rotor Drive Shaft > (AUS) TAIL ROTOR DRIVESHAFT BEARING SPINNING ON THE DRIVESHAFT WEARING A GROOVE INTO THE SHAFT. - [SDR 2000ZZZX802](https://openairdocs.org/sdr/2000ZZZX802.md): Valve · loose · Feb 7, 2000 · N5773X · Aerosp AS355F · Turbine Engine Reduction Gear > BEVEL REDUCTION GEAR LOST OIL PRESSURE WHEN AIRCRAFT LANDING ON OIL RIG. RELIEF VALVE UNSCREWED FROM BEVEL REDUCTION GEAR COMPLETELY CAUSING LOSS OF OIL PRESSURE. RETAINER TOO LARGE TO LOCK RELIEF VALVE PROPERLY, P/N 704A34-631-014. INSTALLED CORRECT RETAIN - [SDR 98ZZZX3600](https://openairdocs.org/sdr/98ZZZX3600.md): Fire Detector · malfunctioned · Aug 24, 1998 · N5773X · Aerosp AS355F · Detection System > IN-FLIGHT, THE RT HAND ENGINE FIRE DETECTION LIGHT ILLUMINATED THEN WENT OFF AND BACK ON AGAIN AND DID NOT GO OUT UNTIL LANDING. AIRCRAFT HAS BEEN SOAKED BY RAIN PRIOR TO THE FIRST FLIGHT OF THE DAY. INSPECTED ENGINES, NO EVIDENCE OF FIRE FOUND. CLEANING MO - [SDR 98ZZZX1255](https://openairdocs.org/sdr/98ZZZX1255.md): Stator · cracked · Jan 23, 1998 · N5773X · Aerosp AS355F · Rotorcraft Cooling Fan System > DURING PHASE INSPECTION, FOUND OIL COOLER BLOWER STATOR MOUNTING POINTS CRACKED. - [SDR 98ZZZX247](https://openairdocs.org/sdr/98ZZZX247.md): Blade · damaged · Dec 9, 1997 · N5773X · Aerosp AS355F · Main Rotor Blades > DISCOVERED DURING DAILY INSPECTION, FOUND M/R BLADE LEADING EDGE DAMAGED AT STA 3955 MM DUE TO IMPACT OF FOREIGN OBJECT. - [SDR 98ZZZX243](https://openairdocs.org/sdr/98ZZZX243.md): Blade · cracked · Dec 8, 1997 · N5773X · Aerosp AS355F · Main Rotor Blades > DISCOVERED DURING DAILY INSPECTION, M/R BLADE LOWER SURFACE SKIN CRACKED AT STA 1000 MM LEADING EDGE EROSION STRIPS DEBONDED. REPAIRED BY CTI, RETURNED TO SERVICE. - [SDR 97ZZZX942](https://openairdocs.org/sdr/97ZZZX942.md): Blade · cracked · Aug 28, 1996 · N378E · Aerosp AS355F · Main Rotor Blades > DURING DAILY INSPECTION FOUND LOWER BLADE SURFACE CRACKED CHORDWISE AT STA 1397 MM. CRACK EXTENDS FROM TRAILING EDGE FORWARD 110 MM. - [SDR 96ZZZX4641](https://openairdocs.org/sdr/96ZZZX4641.md): Disc · cracked · Aug 10, 1996 · N5776D · Aerosp AS355F · Engine/Transmission Coupling > DURING DAILY INSPECTION AFTER LAST FLIGHT OF THE DAY, THE MECHANIC NOTED THAT ONE DISC WAS FOUND CRACKED, ON THE NR 2 ENGINE MAIN GEARBOX DRIVESHAFT COUPLING. SUSPECT FATIGUE. REPLACED AFFECTED DISC IAW AS355F MAINTENANCE WORK CARDS. - [SDR 96ZZZX2453](https://openairdocs.org/sdr/96ZZZX2453.md): Non Rotate Star · worn · Apr 10, 1996 · N5787E · Aerosp AS355F · Main Rotor Mast/Swashplate > DAILY INSPECTION FOUND SERVO TO STAR ATTACH POINT WORN BEYOND LIMITS AND SERVO ROD END WEARING INTO STAR. - [SDR 96ZZZX2358](https://openairdocs.org/sdr/96ZZZX2358.md): 4th Stage Nozzle · defective · Feb 2, 1996 · N378E · Aerosp AS355F · Turbine Section > UPON 1,750-HOUR INSPECTION, FOUND DIAPHRAGM CRACKED AND THE PART WAS SENT FOR OVERHAUL. - [SDR 96ZZZX745](https://openairdocs.org/sdr/96ZZZX745.md): Nozzle Body · cracked · Dec 22, 1995 · N378E · Aerosp AS355F · Fuel Injector Nozzle > DURING INSPECTION OF FUEL NOZZLE AND DISASSEMBLY, REMOVED CORROSION FROM THE BODY ASSY AND FOUND PITTING AND CRACKS ON THE NOZZLE BODY ASSY. - [SDR 95ZZZX6890](https://openairdocs.org/sdr/95ZZZX6890.md): Spool Bushing · worn · Nov 9, 1995 · N5787E · Aerosp AS355F · Turbine Governor > DURING TEAR DOWN, FOUND GOVERNOR HAD WORN SPOOL BUSHING. CAUSES POSSIBLE ENGINE VIBRATION. - [SDR HEEA955852](https://openairdocs.org/sdr/HEEA955852.md): Front Bar · bearing faulty · Oct 5, 1995 · N5796S · Aerosp AS355F · Main Rotor Transmission Mount > FRONT BAR UPPER BEARING IS UNBONDED. REPLACED WITH SERVICEABLE STRUT. - [SDR HEEA955832](https://openairdocs.org/sdr/HEEA955832.md): Starflex · bushing worn · Oct 5, 1995 · N5780D · Aerosp AS355F · Main Rotor Head > STARFLEX ARM BUSHINGS WORN BEYOND LIMITS. - [SDR 95ZZZX6974](https://openairdocs.org/sdr/95ZZZX6974.md): Shaft Nut · loose · Sep 25, 1995 · N5776D · Aerosp AS355F · Rotorcraft Cooling Fan System > DURING C/W AD 88-25-09, RECEIVED INDICATION OF 3.0 IPS. TORQUED FAN NUT BECAME UNTORQUED. UPON PERFORMING A TEAR DOWN AND VISUAL INSPECTION, FOUND FAN NUT LOOSE ON SHAFT CAUSING BEARING TO SPIN FREELY ON SHAFT CAUSING GROOVES ON SHAFT. REPLACED SHAFT AND BE - [SDR 95ZZZX2801](https://openairdocs.org/sdr/95ZZZX2801.md): Blade · cracked · May 18, 1995 · N5787E · Aerosp AS355F · Tail Rotor Blades > DAILY INSPECTION FOUND SPAR HAS SPANWISE CRACK LOCATED 8 MM FROM EDGE OF SPAR THAT IS INSIDE BLADE POCKET AREA. CAUSE UNKNOWN. - [SDR 95ZZZX2922](https://openairdocs.org/sdr/95ZZZX2922.md): Spherical Stop · delaminated · May 11, 1995 · N57936 · Aerosp AS355F · Main Rotor Head > POST FLIGHT FOUND 3 EACH SPHERICAL STOPS WITH RUBBER BULGING AND DELAMINATED BEYOND LIMITS. - [SDR 95ZZZX2921](https://openairdocs.org/sdr/95ZZZX2921.md): Spherical Stop · delaminated · May 11, 1995 · N57936 · Aerosp AS355F · Main Rotor Head > POST FLIGHT FOUND 3 EACH SPHERICAL STOPS WITH RUBBER BULGING AND DELAMINATED BEYOND LIMITS. - [SDR 95ZZZX2920](https://openairdocs.org/sdr/95ZZZX2920.md): Spherical Stop · delaminated · May 11, 1995 · N57936 · Aerosp AS355F · Main Rotor Head > POST FLIGHT FOUND 3 EACH SPHERICAL STOPS WITH RUBBER BULGING AND DELAMINATED BEYOND LIMITS. ## 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 = 'AS355F' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/model/aerospatiale-as-355f/reports --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.