# Service difficulty reports: N831EX, cancelled Jun 2, 2004 A list on [N831EX, cancelled Jun 2, 2004](https://openairdocs.org/deregistered/N831EX-2004-06-02.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR PCAA0401155](https://openairdocs.org/sdr/PCAA0401155.md): Deice System · arced · Jan 15, 2004 · N831EX · Dhav DHC8102 · Propeller/Rotor Anti-Ice/De-Ice System > FLIGHT 3841 ON CLIMBOUT FROM SYRACUSE HAD TO RETURN TO FIELD DUE TO SPARKS BEING OBSERVED COMING FROM THE NR 2 PROP. NO EMERGENCY DECLARED AND THE FLIGHT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE NR 2 PROP BLADE ON THE RIGHT HAND SIDE TO BE AT FAULT. B - [SDR PCAA0309112](https://openairdocs.org/sdr/PCAA0309112.md): Wire · broken · Sep 21, 2003 · N831EX · Dhav DHC8102 · Light System Wiring > DURING ROUTINE MAINTENANCE VISIT, AN EMERGENCY PATH LIGHT AT ROW 8 WAS FOUND TO HAVE A BROKEN WIRE. MAINTENANCE SPLICED THE WIRE USING AN ENVIROMENTAL BUTT SPLICE. OPERATIONAL CHECK WAS GOOD. AIRCRAFT WAS RETURNED TO SERVICE. - [SDR PCAA0309104](https://openairdocs.org/sdr/PCAA0309104.md): Wire · broken · Sep 3, 2003 · N831EX · Dhav DHC8102 · Light System Wiring > DURING ROUTINE MAINTENANCE VISIT, AN EMERGENCY FLOOR LIGHT WAS FOUND TO BE INOPERATIVE AT ROW 9DF. A WIRE WAS FOUND BROKEN AT THE LIGHT ASSEMBLY. A NEW FLOOR LIGHT ASSEMBLY WAS RESPLICED INTO WIRING. OPERATIONAL CHECK WAS GOOD. AIRCRAFT WAS RETURNED TO SERVICE - [SDR PCAA0305075](https://openairdocs.org/sdr/PCAA0305075.md): Pressure Panel · cracked · May 17, 2003 · N831EX · Dhav DHC8102 · Fuselage Main, Bulkhead > SYR-LGA FLIGHT 3994. CREW REPORTED GEAR WOULD NOT RETRACT NORMALLY. LT AND RT AMBER DOOR ADVISORY LIGHTS ILLUMINATED AND RED DOOR ADVISORY LIGHT ILLUMINATED WHEN GEAR SELECTED UP. AIRCRAFT DIVERTED TO BGM. MAINTENANCE INSPECTED AIRCRAFT AND FOUND STRUCTURAL DA - [SDR PCAA0302043](https://openairdocs.org/sdr/PCAA0302043.md): Wire · broken · Feb 19, 2003 · N831EX · Dhav DHC8102 · Light System Wiring > DURING ROUTINE MAINTENANCE VISIT THE LAST TWO EMERGENCY LIGHTS ON FLOOR LIGHTING STRIP WERE FOUND INOPERATIVE. A BROKEN WIRE WAS REPAIRED NEAR ROW 9 ON FLOOR TRACK LIGHTING. OPERATIONAL CHECK WAS GOOD. AIRCRAFT RETURNED TO SERVICE. - [SDR PCAA0301028](https://openairdocs.org/sdr/PCAA0301028.md): Bulb · burned out · Jan 30, 2003 · N831EX · Dhav DHC8102 · Emergency Lighting > DURING ROUTINE MAINTENANCE VISIT FLOOR TRACK EMERGENCY LIGHTING HAD 1 BULB INOPERATIVE AT SEAT 8DF. SOCKET FOR BULB WAS REPLACED ON FLOOR TRACK EMERGENCY LIGHT AT SEAT 8DF. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. - [SDR PCAA0210127](https://openairdocs.org/sdr/PCAA0210127.md): Power Supply · discharged · Oct 26, 2002 · N831EX · Dhav DHC8102 · Emergency Lighting > DURING ROUTINE MAINTENANCE VISIT LEFT SIDE OF FUSELAGE AFT EMERGENCY EXIT LIGHT WAS FOUND INOPERATIVE. EMERGENCY LIGHT POWER SUPPLY AND BATTERY WERE REPLACED. OPERATIONAL CHECK GOOD, AIRCRAFT RETURNED TO SERVICE. - [SDR PCAA0209102](https://openairdocs.org/sdr/PCAA0209102.md): Hydraulic Line · leaking · Sep 8, 2002 · N831EX · Dhav DHC8102 · Hydraulic System, Main > ROC-LGA FLIGHT#3905. CREW REPORTED #2 HYDRAULIC ISOLATION VALVE CAUTION LIGHT ILLUMINATED IN FLIGHT DURING CLIMBOUT. AIRCRAFT DIVERTED TO SYR WITHOUT INCIDENCE. MAINTENANCE REPLACED A HYDRAULIC LINE IN NOSE GEAR AREA, AND SERVICED #2 HYDRAULIC SYSTEM. OPERATIO - [SDR PCAA0205055](https://openairdocs.org/sdr/PCAA0205055.md): Light · inoperative · May 9, 2002 · N831EX · Dhav DHC8102 · Emergency Lighting > DURING ROUTINE MAINTENANCE VISIT RIGHT FORWARD AND LEFT AFT EXTERIOR EMERGENCY EXIT LIGHTS FOUND TO BE INOPERATIVE. RIGHT FORWARD LIGHT BULB, LENS AND SOCKET WERE REPLACED. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. - [SDR PCAA0107076](https://openairdocs.org/sdr/PCAA0107076.md): Nut · broken · Jul 31, 2001 · N831EX · Dhav DHC8102 · Nose/Tail Landing Gear Strut/Axle > BWI- FLIGHT 3806. CREW REPORTED NOSE LANDING GEAR SHOCK STRUT GLAND NUT TIGHTENING RING BROKEN OFF. MAINTENANCE REPLACED NOSE LANDING GEAR SHOCK STRUT GLANDNUT IN ACCORDANCE WITH COMPONENT MAINTENANCE MANUAL 32-20-01 AND SERVICED STRUT. AIRCRAFT RETURNED TO - [SDR PCAA0101001](https://openairdocs.org/sdr/PCAA0101001.md): Windshield · failed · Jan 1, 2001 · N831EX · Dhav DHC8102 · Flight Compartment Windows > LGA-ALB FLIGHT 3551. LEFT WINDSCREEN SHATTERED IN FLIGHT. AIRCRAFT LANDED IN ALB. MAINTENANCE REPLACED CAPTAINS WINDSHIELD AND 15 NUTPLATES ALONG BOTTOM OF WINDOW SILL IN ACCORDANCE WITH DEHAVILLAND DASH 8 MAINTENANCE MANUAL 56-10-11, RAN AIRCRAFT, OPERATIONAL - [SDR 99ZZZX4529](https://openairdocs.org/sdr/99ZZZX4529.md): Engine · malfunctioned · Nov 1, 1999 · N831EX · Dhav DHC8102 · Engine (Turbine/Turboprop) > ENGINE REMOVED FROM AIRCRAFT DUE TO MODERATE VIBRATION AT 900 RPM. - [SDR PCAA9900029](https://openairdocs.org/sdr/PCAA9900029.md): Retract Mech · malfunctioned · Aug 23, 1999 · N831EX · Dhav DHC8102 · Landing Gear Door Retract Section > BOS- UPON DESCENT INTO BOS, ALL THREE GEAR DOORS REMAINED OPEN AFTER GEAR EXTENSION THEN CLOSED AFTER TOUCHDOWN. MAINTENANCE INSPECTED GEAR DOORS, NO DEFECTS NOTED. PERFORMED PSEU TEST PER DHC MANUAL, NO DEFECTS NOTED. A TEST FLIGHT WAS PERFORMED SATISFACTO - [SDR PCAA9800730](https://openairdocs.org/sdr/PCAA9800730.md): Bulb · failed · Feb 13, 1998 · N831EX · Dhav DHC8102 · Emergency Lighting > LEFT AFT EXTERIOR EMERGENCY EGRESS LIGHT INOPERATIVE. REMOVED AND REPLACED BULB AND CLEANED SOCKET. OPERATION TEST NORMAL. AIRCRAFT RETURNED TO SERVICE. (X) - [SDR PCAA9700648](https://openairdocs.org/sdr/PCAA9700648.md): Bulb · failed · Dec 9, 1997 · N831EX · Dhav DHC8102 · Emergency Lighting > AFT OVERHEAD EMERGENCY LIGHT INOPERATIVE. REMOVED AND REPLACED BULB. OPERATIONAL TEST NORMAL. AIRCRAFT RETURNED TO SERVICE. (M) - [SDR PCAA9700640](https://openairdocs.org/sdr/PCAA9700640.md): Bulb · failed · Dec 4, 1997 · N831EX · Dhav DHC8102 · Emergency Lighting > EMERGENCY EXIT SIGN AT ROW FOUR HAS ONE BULB INOPERATIVE. REMOVED AND REPLACED EXIT SIGN LIGHT BULB. OPERATIONAL TEST NORMAL. AIRCRAFT RETURNED TO SERVICE. (M) - [SDR PCAA9700573](https://openairdocs.org/sdr/PCAA9700573.md): Fitting · cracked · Oct 12, 1997 · N831EX · Dhav DHC8102 · Landing Gear Actuator > NOSE LANDING GEAR RETRACTION ACTUATOR FITTING CRACKED THROUGH INBOARD ATTACH BOLT BORE. REMOVED AND REPLACED NOSE LANDING GEAR RETRACTION ACTUATOR FITTING WITH SERVICEABLE UNIT. OPERATIONAL AND RETRACTION TEST NORMAL. AIRCRAFT RETURNED TO SERVICE. (M) - [SDR PCAA9700544](https://openairdocs.org/sdr/PCAA9700544.md): Wire · loose · Sep 13, 1997 · N831EX · Dhav DHC8102 · Light System Wiring > ON SHUTDOWN WITH EMERGENCY LIGHT SWITCH OFF EMERGENCY LIGHTS CAME ON, FLICKERED AND WENT OFF. FOUND WIRE NR 20113A22 ON RELAY K20 RECEPTICAL POS B1 TO HAVE BAD SOLDER JOINT IN DC CONTACTOR BOX. RESOLDER WIRE. SYSTEM OPERATIONAL CHECKED NORMAL. AIRCRAFT RET - [SDR PCAA9700542](https://openairdocs.org/sdr/PCAA9700542.md): Light · inoperative · Sep 13, 1997 · N831EX · Dhav DHC8102 · Emergency Lighting > COCKPIT OVERHEAD PORTABLE EMERGENCY LIGHT INOPERATIVE. REPLACED COCKPIT OVERHEAD PORTABLE EMERGENCY LIGHT WITH SERVICEABLE UNIT. OPERATIONAL CHECK NORMAL. AIRCRAFT RETURNED TO SERVICE. (M) - [SDR PCAA9700513](https://openairdocs.org/sdr/PCAA9700513.md): Hose · failed · Aug 11, 1997 · N831EX · Dhav DHC8102 · Hydraulic System, Main > AFTER TAKEOFF OUT OF ALB, THE NR 2 HYDRAULIC CONTENTS DROPPED TO ZERO FOR APPROXIMATELY 5 MINUTES. AIRCRAFT RETURNED TO FIELD. TROUBLESHOT, FOUND FLEX LINE AT NOSE GEAR DRAG STRUT BAD, PERFORMED INSPECTION AFTER HYDRAULIC LOSS IAW DASH 8MM 05-50-33. REMOVED - [SDR PCAA9700501](https://openairdocs.org/sdr/PCAA9700501.md): Light · inoperative · Jul 25, 1997 · N831EX · Dhav DHC8102 · Emergency Lighting > COCKPIT OVERHEAD PORTABLE EMERGENCY LIGHT INOPERATIVE. REMOVED AND REPLACED COCKPIT OVERHEAD PORTABLE EMERGENCY LIGHT WITH SERVICEABLE UNIT. OPERATIONAL CHECK NORMAL. AIRCRAFT RETURNED TO SERVICE. (M) - [SDR PCAA9700483](https://openairdocs.org/sdr/PCAA9700483.md): Bulb · failed · Jul 10, 1997 · N831EX · Dhav DHC8102 · Landing Gear Position and Warning > FLT 3968 - ON APPROACH TO EWR UPON LANDING GEAR EXTENSION, LEFT MAIN GEAR DOWN INDICATION WAS IN OPERATIVE. CREW VERIFIED GEAR POSITION WITH ALTERNATE INDICATION SYSTEM. AN UNEVENTFUL LANDING WAS ACCOMPLISHED. REMOVED AND REPLACED BULBS IN LEFT MAIN LANDING - [SDR PCAA9600301](https://openairdocs.org/sdr/PCAA9600301.md): Prox Contl Box · failed · Aug 24, 1996 · N831EX · Dhav DHC8102 · Landing Gear Position and Warning > ELECTRICAL SMELL WAS NOTICED 10 MINUTES INTO FLIGHT, RETURNED TO FIELD. TROUBLESHOT AND FOUND PROXIMITY SENSOR ELECTRONIC UNIT AT FAULT. REMOVED AND REPLACED PSEU IAW DHC MM. OPS CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE. (M) - [SDR PCAA9600296](https://openairdocs.org/sdr/PCAA9600296.md): Turbine Blade · separated · Jun 18, 1996 · N831EX · Dhav DHC8102 · Turbine Section > FLT 3859 - EXPERIENCED A TORQUE FLUCTUATION OF THE NR 1 ENGINE AND INCREASE OF ITT TO APPROX 780 DEGREES. TORQUES DROPPED TO 50 PECENT FOLLOWED BY A LOUD GRINDING NOISE AND ENGINE FIRE INDICATION. INSPECTION VERIFIED NO INDICATION OF FIRE. ENGINE REMOVED AN - [SDR PCAA9600286](https://openairdocs.org/sdr/PCAA9600286.md): Light · failed · Apr 26, 1996 · N831EX · Dhav DHC8102 · Emergency Lighting > EMERGENCY LIGHTS CIRCUIT BREAKER POPPED IN FLIGHT. TROUBLESHOT, FOUND FAULTY COCKPIT OVERHEAD EMERGENCY LIGHT ASSY. REPLACED EMERGENCY LIGHT ASSEMBLY, OPERATIONAL CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE. (M) - [SDR PCAA9500254](https://openairdocs.org/sdr/PCAA9500254.md): Tube Assy · cracked · Dec 14, 1995 · N831EX · Dhav DHC8102 · Hydraulic System, Main > NR 1 HYDRAULIC SYSTEM CONTENTS WENT TO ZERO IN-FLIGHT. TROUBLESHOT, FOUND LINE AT PRESSURE MANIFOLD CRACKED, INSTALLED FLEX LINE IAW MM. RAN AIRCRAFT, OPERATIONAL AND LEAK CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE. AIRCRAFT TOTAL CYCLES, 14,446. (X) - [SDR PCAA9500232](https://openairdocs.org/sdr/PCAA9500232.md): Hyd Line · failed · Jul 17, 1995 · N831EX · Dhav DHC8102 · Hydraulic System, Main > NR 1 HYD SYSTEM QUANTITY INDICATION DROPPED TO 0 FOLLOWED BY NR 1 PRESS INDICATION SYSTEM DROPPING TO 0. TROUBLESHOT, FOUND LINE FROM ANTI-SKID CONTROL VALVE TO PRESSURE MANIFOLD CRACKED, INSTALLED FLEX LINE, NEW ENGINE DRIVEN PUMP AND CASE DRAIN MANIFOLD. S - [SDR PCAA9500231](https://openairdocs.org/sdr/PCAA9500231.md): Vhf Unit · loose · Jun 27, 1995 · N831EX · Dhav DHC8102 · VHF Communications System > CREW REPORTED LOSS OF ALL VHF COMMUNICATIONS. AIRCRAFT LANDED IN BOS WITHOUT INCIDENT. BOS MAINTENANCE FOUND RADIO ELECTRONICS UNIT UNSECURED. SECURED UNIT IN RACK. OPERATIONALLY CHECKED NORMAL. AIRCRAFT RETURNED TO SERVICE. (M) ## 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 = 'N831EX' AND deregistration_id = 'N831EX-2004-06-02' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N831EX-2004-06-02/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.