# Service difficulty reports: N844EX, cancelled Nov 6, 2006 A list on [N844EX, cancelled Nov 6, 2006](https://openairdocs.org/deregistered/N844EX-2006-11-06.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR PCAA0405205](https://openairdocs.org/sdr/PCAA0405205.md): Smoke Detector · inoperative · May 10, 2004 · N844EX · Dhav DHC8102 · Smoke Detection > FLIGHT NR 3937 REPORTED THEIR NR 2 SMOKE DETECTOR AS BEING INOPERATIVE DURING ROUTINE TEST. MAINTENANCE REMOVED AND REPLACED UNIT AND OPERATIONAL TEST SYSTEM, ALL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. - [SDR PCAA0403181](https://openairdocs.org/sdr/PCAA0403181.md): Garlock Seal · misaligned · Mar 16, 2004 · N844EX · Dhav DHC8102 · Turbine Engine Accessory Drive > MADE AN EMERGENCY LANDING DUE TO THE NR 2 OIL PRESSURE FLUXUATING ON DESCENT. NR 2 ENGINE WAS FEATHERED AND CABIN WAS PREPPED FOR EMERGENCY. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE NR 2 DC GENERATOR GARLOCK SEAL IMPROPERLY SEATED. GARLOCK WAS R - [SDR PCAA0402170](https://openairdocs.org/sdr/PCAA0402170.md): Engine · out of rig · Feb 18, 2004 · N844EX · Dhav DHC8102 · Engine (Turbine/Turboprop) > FLIGHT 3915 SYRACUSE REPORTED THE AIRCRAFT DID NOT SLOW DOWN WHEN POWER LEVERS WERE SELECTED TO DISC. MAINTENANCE INSPECTED SYSTEMS AND RAN AND TAXIED THE AIRCRAFT, NO DEFECTS WERE NOTED. ITEM WAS THEN DEFERRED UNTIL AIRCRAFT REACHED MAINTENANCE AND ENGINE R - [SDR PCAA0402162](https://openairdocs.org/sdr/PCAA0402162.md): Engine · odor · Feb 2, 2004 · N844EX · Dhav DHC8102 · Engine (Turbine/Turboprop) > FLIGHT 3884, SYRACUSE TO PHILADELPHIA, HAD TO DIVERT TO AVOCA DUE TO ODOR IN THE CABIN AND COCKPIT. MAINTENANCE INVESTIGATED AND REMOVED AND REPLACED THE AIR CYCLE MACHINE AND THE NR 2 AIR SWITCHING VALVE. PROBLEM STILL EXISTED. AIRCRAFT WAS FERRIED TO MIDD - [SDR PCAA0310123](https://openairdocs.org/sdr/PCAA0310123.md): Smoke Detector · false indication · Oct 12, 2003 · N844EX · Dhav DHC8102 · Smoke Detection > CREW REPORTED THAT THE BAG BAY SMOKE LIGHTS HAD ILLUMINATED IN FLIGHT FOR APPROXIMATELY 10 SECONDS. MAINTENANCE COULD NOT DUPLICATE THE DISCREPANCY. THE CAGE ON THE FORWARD DETECTOR WAS FOUND TO BE SLIGHTLY DENTED. THE FORWARD SMOKE DETECTOR WAS REPLACED AN - [SDR PCAA0310120](https://openairdocs.org/sdr/PCAA0310120.md): Pipe · out of position · Oct 6, 2003 · N844EX · Dhav DHC8102 · Engine Collector/Tailpipe/Nozzle > CREW REPORTED A FIRE INDICATION ON THE NR 1 ENGINE DURING TAXI IN. FIRE BOTTLE WAS DISCHARGED. MAINTENANCE INSPECTED THE ENGINE AREA AND FOUND DRAIN LINES BURNED AND JET PIPE SLID BACK. DRAIN LINE WAS REPLACED AND JET PIPE WAS REINSTALLED IAW 008-7810-312. - [SDR PCAA0306076](https://openairdocs.org/sdr/PCAA0306076.md): Windshield · failed · Jun 3, 2003 · N844EX · Dhav DHC8102 · Flight Compartment Windows > FLIGHT 3647 FROM LGA-BTV DESCENDING THROUGH 5000 FT, CREW FIRST SMELLED SOMETHING BURNING. THEN SAW SMOKE COMING FROM WINDSHIELD HEAT TERMINALS. SELECTED HEAT OFF AND LEFT WINDSHIELD CRACKED. CREW DONNED OXYGEN MASKS, DECLARED EMERGENCY. THEN LANDED WITHOU - [SDR PCAA0304069](https://openairdocs.org/sdr/PCAA0304069.md): O-Ring · leaking · Apr 26, 2003 · N844EX · Dhav DHC8102 · Hydraulic System, Main > RIC-PHL FLIGHT 3792. CREW REPORTED ALL CONTENTS OF NR 1 HYDRAULIC SYSTEM WERE LOST. EMERGENCY WAS DECLARED. MAINTENANCE REPLACED AN O-RING ON THE HYDRAULIC SHUT OFF VALVE AND REPLACED THE NR 1 HYDRAULIC PUMP. CASE DRAIN PRESSURE AND RETURN FILTERS WERE ALS - [SDR PCAA0304067](https://openairdocs.org/sdr/PCAA0304067.md): Odor · detected · Apr 15, 2003 · N844EX · Dhav DHC8102 · Air Distribution System > HPN-FLIGHT 3571, CREW REPORTED AT LOW POWER SETTINGS HAD A STRONG OIL ODOR IN THE BLEEDS. MAINTENANCE INSPECTED BOTH ENGINES, GROUND RAN AIRCRAFT WITH CREW, NO ODOR WAS EVIDENT. AIRCRAFT WAS RETURNED TO SERVICE. - [SDR PCAA0304066](https://openairdocs.org/sdr/PCAA0304066.md): Light · smoke · Apr 10, 2003 · N844EX · Dhav DHC8102 · Passenger Compartment Lighting > PIT-ERI FLIGHT 3989 CREW REPORTED A SMOKE ODOR IN THE CABIN, SMOKE WAS SEEN AT SEAT 1AC PASSENGER SERVICE UNIT. SMOKE EXTINGUISHED WHEN LIGHTS WERE TURNED OFF. EMERGENCY WAS DECLARED. MAINTENANCE INSPECTED ALL CABIN LIGHTING. PROBLEM WAS ISOLATED TO LIGHT - [SDR PCAA0301007](https://openairdocs.org/sdr/PCAA0301007.md): Hinge · lack of lube · Jan 4, 2003 · N844EX · Dhav DHC8102 · Passenger/Crew Doors > LGA-FLIGHT 3873 CREW REPORTED PASSENGER DOOR WILL NOT OPEN. MAINTENANCE LUBRICATED DOOR HINGE. DOOR OPERATED NORMALLY. AIRCRAFT RETURNED TO SERVICE. - [SDR PCAA0212147](https://openairdocs.org/sdr/PCAA0212147.md): Windshield · cracked · Dec 11, 2002 · N844EX · Dhav DHC8102 · Flight Compartment Windows > LGA- FLIGHT#3877. CREW REPORTED CAPTAINS WINDSHIELD WAS CRACKED AT THE LOWER LEFT CORNER. MAINTENANCE REPLACED CAPTAINS WINDSHIELD IN ACCORDANCE WITH DEHAVILLAND DASH 8 MAINTENANCE MANUAL 56-10-11 AND ALLEGHENY AIRLINES JOBCARD#330. AIRCRAFT WAS GROUND RAN TO - [SDR PCAA0205060](https://openairdocs.org/sdr/PCAA0205060.md): Control Handle · faulty · May 29, 2002 · N844EX · Dhav DHC8102 · Landing Gear Selector > MDT FLIGHT 3741, CREW REPORTED AFTER GEAR RETRACTION, GEAR HANDLE ILLUMINATED AND LEFT NOSE AND RIGHT RED LIGHTS REMAINED ILLUMINATED. MAINTENANCE REPLACED GEAR HANDLE ASSEMBLY. FUNCTIONAL CHECKED IN ACCORDANCE WITH MAINTENANCE MANUAL 32-30-00. AIRCRAFT RET - [SDR PCAA0205054](https://openairdocs.org/sdr/PCAA0205054.md): Power Supply · inoperative · May 4, 2002 · N844EX · Dhav DHC8102 · Emergency Lighting > DURING ROUTINE MAINTENANCE VISIT 2 RED FLOOR EMERGENCY LIGHTS FOUND INOPERATIVE AT ROW 1. AFTER LIGHTS WERE RELAMPED, IT WAS DISCOVERED THAT THERE WAS NO POWER THROUGH WIRING. EMERGENCY LIGHT POWER SUPPLY AND BATTERY WERE REPLACED. OPERATIONAL CHECK GOOD. AIRC - [SDR PCAA0204040](https://openairdocs.org/sdr/PCAA0204040.md): Wire · crushed · Apr 1, 2002 · N844EX · Dhav DHC8102 · Light System Wiring > DURING ROUTINE MAINTENANCE VISIT FOUND EMERGENCY LIGHTS ON FLOOR THIRD AND FORTH LIGHTS BACK WERE INOPERATIVE. LAMP ASSEMBLIES WERE REPLACED DUE TO WIRES BEING CRUSHED. ALL OPERATIONAL CHECKS NORMAL. AIRCRAFT RETURNED TO SERVICE. - [SDR PCAA0108094](https://openairdocs.org/sdr/PCAA0108094.md): Battery · power loss · Aug 23, 2001 · N844EX · Dhav DHC8102 · Emergency Lighting > MDT- DURING ROUTINE MAINTENANCE VISIT EMERGENCY LIGHT BATTERY SERIAL NUMBER 37PA FOUND INOPERATIVE. BATTERY REPLACED. OPERATIONAL CHECK GOOD. - [SDR PCAA0107066](https://openairdocs.org/sdr/PCAA0107066.md): Engine · malfunctioned · Jul 4, 2001 · N844EX · Dhav DHC8102 · Engine (Turbine/Turboprop) > ROC- FLIGHT 3943 AT 700 FT 8 MINUTES OUT WHILE ON DESCENT TOWARD ROC FROM LGA, SMOKE SMELL IN CABIN AND COCKPIT WHEN NR 1 BLEED SWITCH IS ON. NO VISIBLE SMOKE OBSERVED. EMERGENCY DECLARED, AIRCRAFT LANDED IN ROC WITHOUT INCIDENT. MAINTENANCE VERIFIED SMOKE ## 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 = 'N844EX' AND deregistration_id = 'N844EX-2006-11-06' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N844EX-2006-11-06/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.