# Service difficulty reports: N500DC A list on [N500DC](https://openairdocs.org/aircraft/N500DC.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. Page 1 of 2 · 53 reports - [SDR 2018FA0000463](https://openairdocs.org/sdr/2018FA0000463.md): Exhaust Pipe · cracked · Mar 25, 2018 · N500DC · Hughes 369D · Engine Collector/Tailpipe/Nozzle > EXHAUST PIPE CRACKED ON THE AFT LOWER MOUNT FLANGE ALLOWING AFT MOUNT SADDLE TO SLIDE OUT OF POSITION. CRACK OCCURRED 79.4 FLT HRS FROM NEW. - [SDR LS1R088291](https://openairdocs.org/sdr/LS1R088291.md): Pump · inoperative · Jan 20, 2002 · N500DC · Hughes 369D · Fuel Boost Pump > BOOST PUMP IS INOPERATIVE. - [SDR LS1R088292](https://openairdocs.org/sdr/LS1R088292.md): Rccb · failed · Dec 21, 2001 · N500DC · Hughes 369D · Alternator-Generator Drive > REVERSE CURRENT FAILED TO CLOSE. - [SDR LS1R074929](https://openairdocs.org/sdr/LS1R074929.md): Exhaust Stack · cracked · Jul 20, 2001 · N500DC · Hughes 369D · Engine Collector/Tailpipe/Nozzle > PART IS CRACKED. - [SDR LS1R073486](https://openairdocs.org/sdr/LS1R073486.md): Swashplate · loose · Jun 19, 2001 · N500DC · Hughes 369D · Main Rotor Mast/Swashplate > PART HAS EXCESIVE AXIAL PLAY. - [SDR LS1R073485](https://openairdocs.org/sdr/LS1R073485.md): Damper · stretched · Jun 19, 2001 · N500DC · Hughes 369D · Main Rotor Drive System > PART IS STRETCHED. - [SDR LS1R073117](https://openairdocs.org/sdr/LS1R073117.md): Swashplate · loose · May 24, 2001 · N500DC · Hughes 369D · Tail Rotor Head > SWASHPLATE HAS EXCESIVE AXIAL PLAY. - [SDR LS1R072738](https://openairdocs.org/sdr/LS1R072738.md): Motor · malfunctioned · Apr 19, 2001 · N500DC · Hughes 369D · Stabilizer Control System > PART IS SLOW. - [SDR LS1R066566](https://openairdocs.org/sdr/LS1R066566.md): Indicator · malfunctioned · Mar 15, 2000 · N500DC · Hughes 369D · Engine BMEP/Torque Indicating > TORQUE GAUGE NEEDLE BOUNCES. - [SDR LS1R066559](https://openairdocs.org/sdr/LS1R066559.md): Gauge · inaccurate · Mar 7, 2000 · N500DC · Hughes 369D · Engine RPM Indicating System > GAUGE IS INACCURATE. - [SDR LS1R066557](https://openairdocs.org/sdr/LS1R066557.md): Seat · broken · Mar 7, 2000 · N500DC · Hughes 369D · Flight Compartment Equipment > BOTTOM OF SEAT IS BROKEN. - [SDR LS1R066444](https://openairdocs.org/sdr/LS1R066444.md): Pipe · cracked · Feb 24, 2000 · N500DC · Hughes 369D · Engine Collector/Tailpipe/Nozzle > EXHAUST PIPE IS CRACKED. - [SDR LS1R066440](https://openairdocs.org/sdr/LS1R066440.md): Torque Gauge · fluctuated · Feb 24, 2000 · N500DC · Hughes 369D · Instrument Panel > GAUGE FLUCTUATING IN POWER. - [SDR LS1R065967](https://openairdocs.org/sdr/LS1R065967.md): Exhaust Stack · cracked · Feb 15, 2000 · N500DC · Hughes 369D · Engine Collector/Tailpipe/Nozzle > RIGHT EXHAUST STACK IS CRACKED. - [SDR AGQA065933](https://openairdocs.org/sdr/AGQA065933.md): Radio · inoperative · Feb 9, 2000 · N500DC · Hughes 369D · VHF Communications System > VHF RADIO IS INOPERATIVE. - [SDR AGQA065673](https://openairdocs.org/sdr/AGQA065673.md): Gearbox · worn · Jan 24, 2000 · N500DC · Hughes 369D · Tail Rotor Gearbox > T/R GEARBOX IS WORN EXCESSIVELY. - [SDR AGQA065669](https://openairdocs.org/sdr/AGQA065669.md): Bleed Valve · failed · Jan 24, 2000 · N500DC · Hughes 369D · Compressor Bleed Valve > BLEED VALVE STALLED IN-FLIGHT. - [SDR AGQA065668](https://openairdocs.org/sdr/AGQA065668.md): Pitch Control · chipped · Jan 24, 2000 · N500DC · Hughes 369D · Tail Rotor Gearbox > SPLINE TEETH ARE BROKEN AND CHIPPED. - [SDR AGQA065548](https://openairdocs.org/sdr/AGQA065548.md): Motor · slow · Jan 6, 2000 · N500DC · Hughes 369D · Main Rotor Control > HIGH SPEED MOTOR INSTALLED DELAY IN ACTION. - [SDR AGQA065542](https://openairdocs.org/sdr/AGQA065542.md): Damper · weak · Jan 6, 2000 · N500DC · Hughes 369D · Main Landing Gear > MLG DAMPER IS WEAK. - [SDR AGQA065541](https://openairdocs.org/sdr/AGQA065541.md): Damper · weak · Jan 6, 2000 · N500DC · Hughes 369D · Main Landing Gear > MLG DAMPER IS WEAK. - [SDR AGQA065537](https://openairdocs.org/sdr/AGQA065537.md): Hub · worn · Jan 6, 2000 · N500DC · Hughes 369D · Tail Rotor Head > TAIL ROTOR HUB IS WORN EXCESSIVELY. - [SDR 99ZZZX3894](https://openairdocs.org/sdr/99ZZZX3894.md): Tach Generator · damaged · Sep 8, 1999 · N500DC · Hughes 369D · Engine BMEP/Torque Indicating > CANNON PLUG BENT AND RIVETS TORN OUT OF HOUSING. REMOVED AND REPLACED. - [SDR 99ZZZX3893](https://openairdocs.org/sdr/99ZZZX3893.md): Hour Meter · slow · Sep 8, 1999 · N500DC · Hughes 369D · Independent Instruments > HOUR METER RUNS SLOW. REMOVED AND REPLACED. - [SDR 99ZZZX3892](https://openairdocs.org/sdr/99ZZZX3892.md): Interphone · failed · Sep 8, 1999 · N500DC · Hughes 369D · Interphone/Passenger Announcement (PA) System > NO SIDE TONES. NO INTERCOM. WILL NOT TRANSMIT. REMOVED AND REPLACED. - [SDR 99ZZZX3546](https://openairdocs.org/sdr/99ZZZX3546.md): Line · cracked · Sep 1, 1999 · N500DC · Hughes 369D · Pneumatic Distribution System > AIR LINE UNDER BRADING ON FLEX PORTION CRACKED. REMOVED AND REPLACED. - [SDR 99ZZZX3545](https://openairdocs.org/sdr/99ZZZX3545.md): Link Assy · worn · Sep 1, 1999 · N500DC · Hughes 369D · Main Rotor Mast/Swashplate > DURING 100-HOUR INSPECTION, FOUND BEARING WORN BEYOND LIMITS. REMOVED AND REPLACED. - [SDR LS1R99102](https://openairdocs.org/sdr/LS1R99102.md): Line · cracked · Jul 10, 1999 · N500DC · Hughes 369D · Pneumatic Distribution System > NOTICED BLACK SOOT ON CUSTOMER BLEED LINE TO HEATER. FOUND AIR LEAKING OUT BRAID LINE AREA. REMOVED AND REPLACED. FOUND MATERIAL CRACKS ON FLEX PART OF LINE. (X) - [SDR 99ZZZX2607](https://openairdocs.org/sdr/99ZZZX2607.md): Exhaust Stack · cracked · Jun 25, 1999 · N500DC · Hughes 369D · Engine Collector/Tailpipe/Nozzle > EXHAUST STACK IS CRACKED. REMOVED AND REPLACED. - [SDR 99ZZZX1707](https://openairdocs.org/sdr/99ZZZX1707.md): Pitch Link · worn · Apr 5, 1999 · N500DC · Hughes 369D · Tail Rotor Head > PITCH LINK BEARING WORN. REMOVED AND REPLACED. - [SDR 99ZZZX1706](https://openairdocs.org/sdr/99ZZZX1706.md): Gyro · malfunctioned · Apr 5, 1999 · N500DC · Hughes 369D · Attitude Gyro and Indicating System > GYRO WILL NOT CAGE. REMOVED AND REPLACED. - [SDR 99ZZZX1708](https://openairdocs.org/sdr/99ZZZX1708.md): Directional Gyro · malfunctioned · Mar 31, 1999 · N500DC · Hughes 369D · Directional Gyro and Indicating System > DIRECTIONAL GYRO PRESETS 10 DEGREES OFF OF MAG COMPASS. REMOVED AND REPLACED. - [SDR 99ZZZX1543](https://openairdocs.org/sdr/99ZZZX1543.md): Battery · discharged · Mar 22, 1999 · N500DC · Hughes 369D · Battery/Charger System > BATTERY DOES NOT PRODUCE ENOUGH POWER FOR COLD MORNING STARTS. REMOVED AND REPLACED. - [SDR 99ZZZX1352](https://openairdocs.org/sdr/99ZZZX1352.md): Clutch · making metal · Feb 15, 1999 · N500DC · Hughes 369D · Engine/Transmission Coupling > LOW OIL, BELOW MINIMUM. METAL IN OIL AND DISCOLORED. REMOVED AND REPLACED. - [SDR 99ZZZX1351](https://openairdocs.org/sdr/99ZZZX1351.md): Indicator · sticks · Feb 15, 1999 · N500DC · Hughes 369D · Engine EGT/TIT Indicating System > HANGS UP AT 250 DEGREES CELSIUS DURING START-UP. BEFORE, 14 PERCENT N1 ON SECOND START OF DAY ENGINE LIGHT OFF. REMOVED AND REPLACED. - [SDR 99ZZZX1350](https://openairdocs.org/sdr/99ZZZX1350.md): Blade · damaged · Feb 15, 1999 · N500DC · Hughes 369D · Tail Rotor Blades > BLADE HAS VOID AND LIFTED ABRASION STRIP. REMOVED AND REPLACED. - [SDR 98ZZZX4761](https://openairdocs.org/sdr/98ZZZX4761.md): Transponder · malfunctioned · Nov 6, 1998 · N500DC · Hughes 369D · ATC Transponder System > TRANSPONDER DOES NOT TURN ON. REMOVED AND REPLACED. - [SDR 98ZZZX4729](https://openairdocs.org/sdr/98ZZZX4729.md): Link · worn · Nov 6, 1998 · N500DC · Hughes 369D · Main Rotor Head > BEARINGS WORN. REMOVED AND REPLACED. - [SDR 98ZZZX4727](https://openairdocs.org/sdr/98ZZZX4727.md): Link · worn · Nov 6, 1998 · N500DC · Hughes 369D · Main Rotor Head > BEARINGS WORN. REMOVED AND REPLACED. - [SDR 98ZZZX3641](https://openairdocs.org/sdr/98ZZZX3641.md): Fork · damaged · Aug 31, 1998 · N500DC · Hughes 369D · Tail Rotor Head > ELASTOMERIC CONNICALS DETERIORATED AND CRACKED. REMOVED AND REPLACED T/R FORK. - [SDR 98ZZZX3640](https://openairdocs.org/sdr/98ZZZX3640.md): Switch · failed · Aug 31, 1998 · N500DC · Hughes 369D · Main Rotor Control > LONGITUDINAL RUN AWAY AND INTERMITTENT. UNREPAIRABLE. REPLACED CYCLIC SWITCH. - [SDR 98ZZZX2787](https://openairdocs.org/sdr/98ZZZX2787.md): Regulator · failed · Jul 1, 1998 · N500DC · Hughes 369D · DC Regulator > VOLTAGE REGULATOR WILL NOT ADJUST. REMOVED FROM AIRCRAFT AND SENT FOR REPAIR. - [SDR 98ZZZX2786](https://openairdocs.org/sdr/98ZZZX2786.md): Gyro · failed · Jun 23, 1998 · N500DC · Hughes 369D · Directional Gyro and Indicating System > DIRECTIONAL GYRO INOPERABLE. REMOVED AND SENT FOR REPAIR. - [SDR 98ZZZX2333](https://openairdocs.org/sdr/98ZZZX2333.md): Starter · failed · May 30, 1998 · N500DC · Hughes 369D · Starter-Generator > BRUSHES SPARKING AND FAN COVER VIBRATING LOOSE. REMOVED FROM AIRCRAFT AND SENT FOR REPAIR EVALUATION. CONTROL NR 98-5-12. - [SDR 98ZZZX2106](https://openairdocs.org/sdr/98ZZZX2106.md): Mount · loose · May 13, 1998 · N500DC · Hughes 369D · Engine Mount Section > LEFT EXHAUST STACK CRACKED. ENGINE WAS VIB CHECKED AND FOUND TO BE VIBRATING EXCESSIVELY. UPON FURTHER INSPECTION, UPPER ENGINE MOUNTS APPEARED TO BE LOOSE. NEW HILOCKS WERE INSTALLED ON UPPER ENGINE M0UNTS OF AIRFRAME. ANOTHER VIBRATION TEST WAS PERFORMED - [SDR 98ZZZX2105](https://openairdocs.org/sdr/98ZZZX2105.md): Exhaust Stack · cracked · May 13, 1998 · N500DC · Hughes 369D · Engine Collector/Tailpipe/Nozzle > LEFT EXHAUST STACK CRACKED. ENGINE WAS VIB CHECKED AND FOUND TO BE VIBRATING EXCESSIVELY. UPON FURTHER INSPECTION, UPPER ENGINE MOUNTS APPEARED TO BE LOOSE. NEW HILOCKS WERE INSTALLED ON UPPER ENGINE M0UNTS OF AIRFRAME. ANOTHER VIBRATION TEST WAS PERFORMED - [SDR 98ZZZX2102](https://openairdocs.org/sdr/98ZZZX2102.md): Exhaust Stack · cracked · May 13, 1998 · N500DC · Hughes 369D · Engine Collector/Tailpipe/Nozzle > EXHAUST STACK CRACKED BEYOND LIMITS. REMOVED AND REPLACED. INVESTIGATION IN PROGRESS. SUBMITTER STATED THIS WAS 3RD CRACKED EXHAUST ON THIS AIRCRAFT. - [SDR 98ZZZX2104](https://openairdocs.org/sdr/98ZZZX2104.md): Mount · loose · May 12, 1998 · N500DC · Hughes 369D · Engine Mount Section > RIGHT EXHAUST STACK CRACKED. ENGINE WAS VIB CHECKED AND EXCESSIVE VIBRATION WAS DETECTED. UPON FURTHER INVESTIGATION, DETERMINED THE UPPER ENGINE MOUNTS WERE LOOSE ON AIRFRAME. NEW HILOCKS WERE INSTALLED ON ENGINE MOUNTS AND VIBRATION CHECK SHOWED VIBRATION - [SDR 98ZZZX2103](https://openairdocs.org/sdr/98ZZZX2103.md): Exhaust Stack · cracked · May 12, 1998 · N500DC · Hughes 369D · Engine Collector/Tailpipe/Nozzle > RIGHT EXHAUST STACK CRACKED. ENGINE WAS VIB CHECKED AND EXCESSIVE VIBRATION WAS DETECTED. UPON FURTHER INVESTIGATION, DETERMINED THE UPPER ENGINE MOUNTS WERE LOOSE ON AIRFRAME. NEW HILOCKS WERE INSTALLED ON ENGINE MOUNTS AND VIBRATION CHECK SHOWED VIBRATION - [SDR 98ZZZX1885](https://openairdocs.org/sdr/98ZZZX1885.md): Exhaust Stack · cracked · Apr 2, 1998 · N500DC · Hughes 369D · Engine Collector/Tailpipe/Nozzle > EXHAUST STACK CRACKED AROUND FLANGE MOUNT. REMOVED AND REPLACED. CONTROL NR 98-4-16. Next page: https://openairdocs.org/aircraft/N500DC/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 n_number = 'N500DC' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N500DC/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.