# N834EX: 1991 Boeing Of Canada/Dehav Div DHC-8-106, registration cancelled 2006-12-13 - Type: Cancelled registration (FAA registry, deregistered aircraft) - Cancelled: December 13, 2006 - Exported to: Canada - Status when cancelled: Valid registration - Airframe: [Boeing Of Canada/Dehav Div DHC-8-106](https://openairdocs.org/model/boeing-of-canada-dehav-div-dhc-8-106) (registry code 1386020) - Engine: [Pratt & Whitney Canada PW120](https://openairdocs.org/engine/pratt-whitney-canada-pw120) (registry code 52114) - Data sheets: [TCDS A13NM](https://openairdocs.org/tcds/A13NM), [TCDS E20NE](https://openairdocs.org/tcds/E20NE) (OpenAirDocs) - Serial number: 285 - Year built: 1991 - Type of aircraft: Fixed wing multi engine - Engine type: Turbo-prop - Airworthiness: Standard, transport - Airworthiness date: October 1, 1991 - Certificate issued: December 2, 2004 - Last registry action: March 14, 2006 - Mode S code: AB67B0 - Owner when cancelled: [Cit Capital USA Inc](https://openairdocs.org/faa-owner/CIT%20CAPITAL%20USA%20INC) - Location: [New York, NY](https://openairdocs.org/faa-place/NY/New%20York) - Owner type: Corporation - Owner's area on the map: 40.7598° N, 73.9907° W: Placed by OpenAirDocs at the center of ZIP code 10036, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based - The mark today: https://openairdocs.org/aircraft/N834EX - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=834EX - Page: https://openairdocs.org/deregistered/N834EX-2006-12-13 From the FAA registry file of October 29, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe. ADs and bulletins for the Boeing Of Canada/Dehav Div DHC-8-106: https://openairdocs.org/model/boeing-of-canada-dehav-div-dhc-8-106.md ## Service difficulty reports (26) Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR PCAA0405202](https://openairdocs.org/sdr/PCAA0405202), May 1, 2004: SMOKE DETECTOR. INOPERATIVE. REPORTED THE NR 1 SMOKE DETECTOR AS BEING INOPERATIVE DURING TEST.MAINTENANCE REMOVED AND REPLACED THE UNIT AND OPERATIONAL TESTED THE SYSTEM . SYSTEM TEST GOOD - [SDR PCAA0404189](https://openairdocs.org/sdr/PCAA0404189), Apr 14, 2004: SWITCH. FAULTY. UPON ROTATION NOTED PROPELLAR RPM FLUCTUATION. CHECKLIST WAS FOLLOWED AND NORMAL OPERATION WAS RESTORED. CREW ELECTED TO RETURN TO LGA DUE TO PROXIMITY AND WEAT - [SDR PCAA0312150](https://openairdocs.org/sdr/PCAA0312150), Dec 15, 2003: ACTUATOR. FAULTY. FLIGHT NR 3897 DEPARTING ISLIP HAD TO RETURN TO FIELD WHEN DURING INITIAL CLIMB FOLLOWING GEAR RETRACTION, IT WAS NOTICED THAT THE RT MAIN GEAR UNSAFE LIGHT WAS - [SDR PCAA0310126](https://openairdocs.org/sdr/PCAA0310126), Oct 20, 2003: POWER SUPPLY. INOPERATIVE. WHILE AIRCRAFT WAS IN MAINTENANCE BASE HAVING EMERGENCY LIGHT TEST PERFORMED IT WAS NOTICED THAT SECOND AND THIRD CEILING EMERGENCY LIGHTS WERE DIM. MAINTENANCE - [SDR PCAA0205053](https://openairdocs.org/sdr/PCAA0205053), May 2, 2002: POWER SUPPLY. INOPERATIVE. DURING ROUTINE MAINTENANCE VISIT LEFT EXTERIOR AFT EMERGENCY LIGHT FOUND INOPERATIVE. BULB, HARNESS, BATTERY AND 2 BATTERY LIGHT POWER SUPPLIES WERE REPLACED. O - [SDR PCAA0202032](https://openairdocs.org/sdr/PCAA0202032), Mar 8, 2002: ENGINE. LEAKING. LGA- FLIGHT 3818. CREW REPORTED THAT AFTER TAKEOFF NR 2 OIL PRESSURE DROPPED TO ZERO WITH WARNING LIGHT. MAINTENANCE FOUND AC GENERATOR MOUNTING FLANGE LEAKING - [SDR PCAA0201018](https://openairdocs.org/sdr/PCAA0201018), Jan 27, 2002: FITTING. CRACKED. BGM -DURING ROUTINE MANTENANCE VISIT AN INSPECTION OF RUDDER PEDAL ADJUSTMENT FITTING PER ALERT SERVICE BULLETIN A8-27-91 REVEALED THE CAPTAINS FITTING WAS CRAC - [SDR PCAA0301002](https://openairdocs.org/sdr/PCAA0301002), Jan 1, 2002: WIRE. DAMAGED. DURING ROUTINE MAINTENANCE VISIT TWO EMERGENCY LIGHTS ON FLOOR FOUND TO BE INOPERATIVE. WIRING FOR FLOOR PROXIMITY LIGHT ASSEMBLIES WAS REPAIRED. OPERATIONAL CH - [SDR PCAA0111156](https://openairdocs.org/sdr/PCAA0111156), Nov 14, 2001: LINK. WORN. DURING FLEET INSPECTION OF NOSE GEAR FOR WEAR IN TRAILING ARM LINK ASSEMBLY, TRAILING ARM LINK AND PIN FOUND WORN. REPLACED PIN AND BUSHING IN ACCORDANCE WITH C - [SDR PCAA0110119](https://openairdocs.org/sdr/PCAA0110119), Oct 15, 2001: POWER SUPPLY. INOPERATIVE. DURING ROUTINE MAITENANCE VISIT TWO FLOOR EMERGENCY LIGHT BULBS FOUND INOPERATIVE AT ROW 1. POWER SUPPLY AND BATTERY AT POSITION 400 REPLACED. BULB SOCKETS ALSO - [SDR PCAA0108090](https://openairdocs.org/sdr/PCAA0108090), Aug 16, 2001: SMOKE DETECTOR. FALSE ACTIVATION. PHL-3643. CREW REPORTED CARGO SMOKE ANNUNCIATOR ILLUMINATED INTERMITTENTLY AFTER TAKEOFF. MAINTENANCE REPLACED #2 SMOKE DETECTOR. OPERATIONAL CHECK GOOD. #1 SMO - [SDR PCAA0106052](https://openairdocs.org/sdr/PCAA0106052), Jun 14, 2001: SMOKE DETECTOR. FALSE ACTIVATION. BOS- FLIGHT#3898. CREW REPORTED SMOKE IN BAGBAY LIGHT ILLUMINATED THEN WENT OUT. MAINTENANCE ISOLATED PROBLEM TO #2 SMOKE DETECTOR.#2 SMOKE DETECTOR REPLACED. O - [SDR PCAA0011077](https://openairdocs.org/sdr/PCAA0011077), Nov 20, 2000: WINDSHIELD. CRACKED. ROC- FLIGHT 3614 CREW DISCOVERED CAPTAINS SIDE WINDOW CRACKED ENTIRE LENGTH. MAINTENANCE REMOVED AND REPLACED CAPTAINS SIDE WINDOW IN ACCORDANCE WITH DEHAVILLAN - [SDR PCAA0009059](https://openairdocs.org/sdr/PCAA0009059), Sep 1, 2000: STRUCTURE. CRACKED. MDT- DURING A FLEET INSPECTION, THE REAR FUSELAGE STRUCTURE WAS FOUND CRACKED, (VERIFIED WITH EDDY CURRENT CHECK) AT FRAME NR 4 STRINGER NR 4 LT SIDE 1ST RIVET - [SDR PCAA9900014](https://openairdocs.org/sdr/PCAA9900014), Jun 1, 1999: LINE. FAILED. FLT 3640, EN ROUTE TO BWI, THE NR 2 HYDRAULIC SYSTEM INDICATED ZERO QUANTITY. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED SYSTEM, FOUND THE HYDRAULI - [SDR PCAA9800773](https://openairdocs.org/sdr/PCAA9800773), May 30, 1998: O-RING. DAMAGED. AFTER TAKEOFF FROM BWI, NR 1 HYDRAULIC QUANTITY FELL TO ZERO AND THE NR 1 ENGINE HYDRAULIC PUMP LIGHT ILLUMINATED. THE AIRCRAFT DIVERTED INTO MDT AND LANDED WIT - [SDR PCAA9800749](https://openairdocs.org/sdr/PCAA9800749), Mar 14, 1998: SELECTOR VALVE. FAILED. UPON APPROACH INTO MDT, WHEN GEAR WAS SELECTED DOWN THE NR 2 HYDRAULIC SYSTEM PRESSURE WENT TO ZERO. CREW PERFORMED AN ALTERNATE EXTENSION AND THE AIRCRAFT LAND - [SDR PCAA9700672](https://openairdocs.org/sdr/PCAA9700672), Dec 24, 1997: BULB. FAILED. FORWARD RED FLOOR EMERGENCY LIGHT INOPERATIVE. REMOVED AND REPLACED BULB. OPERATIONAL TEST NORMAL. AIRCRAFT RETURNED TO SERVICE. (M) - [SDR PCAA9700641](https://openairdocs.org/sdr/PCAA9700641), Dec 4, 1997: BATTERY PACK. DISCHARGED. EMERGENCY LIGHTS AT RIGHT FORWARD EXIT AND RIGHT EXTERIOR EGRESS LIGHTS ARE INOPERATIVE. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK AT POSITION NR 200. O - [SDR PCAA9700561](https://openairdocs.org/sdr/PCAA9700561), Oct 2, 1997: BATTERY. DISCHARGED. TWO LIGHTS INOPERATIVE IN FLOOR EMERGENCY PROXIMITY LIGHTING SYSTEM AND FORWARD LOWER EMERGENCY EXIT SIGN INOPERATIVE. FOUND BATTERY PACK AT POSITION 400 TO BE - [SDR PCAA9700557](https://openairdocs.org/sdr/PCAA9700557), Sep 30, 1997: BULB. FAILED. TWO LIGHTS IN FLOOR EMERGENCY PROXIMITY LIGHTING INOPERATIVE. REMOVED AND REPLACED LAMPS. OPERATIONAL TESTS NORMAL. AIRCRAFT RETURNED TO SERVICE. (M) - [SDR PCAA9700516](https://openairdocs.org/sdr/PCAA9700516), Aug 17, 1997: ACTUATOR. FAILED. UPON APPROACH INTO BWI, THE NOSE GEAR DID NOT EXTEND UNDER NORMAL PROCEDURES. CREW PERFORMED AN ALTERNATE EXTENSION AND LANDED WITHOUT INCIDENT. MAINTENANCE INS - [SDR PCAA9700512](https://openairdocs.org/sdr/PCAA9700512), Aug 10, 1997: BULBS. FAILED. FORWARD CABIN EMERGENCY EXIT LIGHT HAS 2 BULBS INOPERATIVE. REMOVED AND REPLACED LAMPS. OPERATIONAL CHECK NORMAL. AIRCRAFT RETURNED TO SERVICE. (M) - [SDR PCAA9700493](https://openairdocs.org/sdr/PCAA9700493), Jul 23, 1997: ACTUATOR. FAILED. FORWARD LEFT MAIN GEAR DOOR REMAINED OPEN WHEN GEAR SELECTED UP. WHEN SELECTED DOWN LEFT MAIN INDICATED UNSAFE. PERFORMED ALTERNATE EXTENSION, AND LEFT MAIN IND - [SDR PCAA9700405](https://openairdocs.org/sdr/PCAA9700405), May 9, 1997: SEAT TRACK. CORRODED. DURING C-CHECK, THE LEFT INBOARD CABIN SEAT RAIL WAS FOUND CORRODED BEYOND ACCEPTABLE LIMITS. BLENDED OUT AREAS OF CORROSION IAW DHC REPAIR DRAWING 8-53-2827. A - [SDR PCAA9700404](https://openairdocs.org/sdr/PCAA9700404), May 9, 1997: SEAT TRACK. CORRODED. DURING C-CHECK, THE RIGHT INBOARD CABIN SEAT RAIL WAS FOUND CORRODED BEYOND ALLOWABLE LIMITS. BLENDED OUT AREAS OF CORROSION IAW DHC REPAIR DRAWING 8-53-2828. A ## FAA accident and incident reports (2) From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [Incident 19980530017849I](https://openairdocs.org/incident/19980530017849I), May 30, 1998: Dhav DHC8102 (N834EX), Middletown, PA. Nr hydraulic system went to 0. Returned to MDT. A nicked o-ring was leaking. - [Incident 19970118002339I](https://openairdocs.org/incident/19970118002339I), Jan 18, 1997: Dhav DHC8102 (N834EX), Syracuse, NY. Narrative: on 1/18/97 at 1529 EST, a Dehavilland DHC8-102, flight 3873, N834EX, operated by allegheny commuter airlines. During departure from Hancock int'l… --- 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.