# N108X: 1985 Bell 412, registration cancelled 2011-09-10 - Type: Cancelled registration (FAA registry, deregistered aircraft) - Cancelled: September 10, 2011 - Status when cancelled: Valid registration - Airframe: [Bell 412](https://openairdocs.org/model/bell-412) (registry code 1182202) - Engine: [Pratt & Whitney PT6 series](https://openairdocs.org/engine/pratt-whitney-pt6-series) (registry code 52033) - Data sheets: [TCDS H4SW](https://openairdocs.org/tcds/H4SW) (OpenAirDocs) - Serial number: 33115 - Year built: 1985 - Type of aircraft: Rotorcraft - Engine type: Turbo-prop - Airworthiness: Multiple - Airworthiness date: June 12, 1992 - Certificate issued: December 18, 2007 - Last registry action: May 19, 2010 - Mode S code: A02479 - Owner when cancelled: [Ep Aviation LLC](https://openairdocs.org/faa-owner/EP%20AVIATION%20LLC) - Location: [Wood Dale, IL](https://openairdocs.org/faa-place/IL/Wood%20Dale) - Owner type: Corporation - Owner's area on the map: 41.9744° N, 87.9865° W: Placed by OpenAirDocs at the center of ZIP code 60191, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based - The mark today: https://openairdocs.org/aircraft/N108X - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=108X - Page: https://openairdocs.org/deregistered/N108X-2011-09-10 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 Bell 412: https://openairdocs.org/model/bell-412.md ## Service difficulty reports (129, newest 50) Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR HEEA108172](https://openairdocs.org/sdr/HEEA108172), Feb 22, 2006: WIRE. CHAFED. C-BOX OIL PRESSURE WENT TO ZERO. NO OTHER INDICATIONS. RETURNED TO MCY. CIRCUIT BREAKER POPPED AND WOULD NOT RESET. MAINTENANCE REPLACED CHAFED WIRES AT THE TOP - [SDR HEEA096491](https://openairdocs.org/sdr/HEEA096491), Jun 25, 2004: WINDOW. SEPARATED. DURING APPROACH TO LAND, A PASSENGER LEANED AGAINST THE WINDOW ON THE RT SIDE SLIDING DOOR AND THE WINDOW RELEASED AND WAS LOST. AIRCRAFT LANDED WITH NO FURTHER - [SDR HEEA096017](https://openairdocs.org/sdr/HEEA096017), Jun 25, 2004: WINDOW. DEPARTED. DURING APPROACH TO LAND, A PASSENGER LEANED AGAINST THE WINDOW ON THE RT SIDE SLIDING DOOR AND THE WINDOW RELEASED AND WAS LOST. AIRCRAFT LANDED WITH NO FURTHER - [SDR HEEA096023](https://openairdocs.org/sdr/HEEA096023), May 12, 2004: PUMP. FAILED. DURING FLIGHT THE NR 1 BOOST PUMP FAILED. MAINTENANCE REPLACED THE NR 1 BOOST PUMP. - [SDR HEEA094283](https://openairdocs.org/sdr/HEEA094283), Apr 19, 2004: INDICATOR. FLUCTUATES. SHORTLY AFTER TAKEOFF, THE NR 1 ITT INDICATOR FLUCTUATED. RETURNED. MAINTENANCE REPLACED ITT INDICATOR. - [SDR HEEA094229](https://openairdocs.org/sdr/HEEA094229), Apr 12, 2004: GENERATOR. INOPERATIVE. ON SHORT FINAL TO GC-158, THE NR 1 GENERATOR KICKED OFF LINE, HAD LIGHT SMOKE IN THE CABIN, AND SEVERAL CIRCUIT BREAKERS POPPED. FOUND SEVERAL CHAFED WIRES AT T - [SDR HEEA088622](https://openairdocs.org/sdr/HEEA088622), Jun 6, 2003: BUSHING. WORN. WORN BEARINGS. REPLACED LINK ASSY (2 EA) 212-010-711-003 DUE TO WORN BEARINGS; LINK ASSY (2 EA) 212-011-710-001 DUE TO WORN BEARINGS. REPAIRED. - [SDR HEEA086644](https://openairdocs.org/sdr/HEEA086644), May 21, 2003: SKID. DAMAGED. SKID TUBE MACHINED SURFACE DAMAGE UNDER SKID NEAR SADDLE TO A DEPTH OF .035. SENT TO DRAKE AIR FOR WARRANTY REPAIR. - [SDR HEEA084734](https://openairdocs.org/sdr/HEEA084734), Feb 17, 2003: KNOB. CRACKED. SELECTOR KNOB CRACKED AND CAN'T LISTEN TO COMM 1 IN ANY POSITION. FOUND LIGHT PANEL, SWITCH S1, VOLUME KNOB AND TRANSMIT KNOB BAD, ALSO SWITCHES S2 THROUGH S11 - [SDR HEEA084538](https://openairdocs.org/sdr/HEEA084538), Feb 14, 2003: BATTERY. WEAK. MAIN BATTERY WEAK. - [SDR HEEA084525](https://openairdocs.org/sdr/HEEA084525), Feb 14, 2003: BATTERY. DISCHARGED. BATTERY HAS LOW VOLTAGE. REPAIRED. - [SDR HEEA084505](https://openairdocs.org/sdr/HEEA084505), Feb 14, 2003: INDICATOR. MALFUNCTIONED. ATTITUDE INDICATOR FLAG WON'T PULL. IN SHOP REPAIR. - [SDR HEEA080144](https://openairdocs.org/sdr/HEEA080144), Jun 26, 2002: BLADE. DAMAGED. OUTBOARD ABRASION STRIP HAS SEVERAL HOLES THROUGH THE STRIP. - [SDR HEEA079503](https://openairdocs.org/sdr/HEEA079503), May 28, 2002: OIL COOLER. MALFUNCTIONED. OIL COOLER PRODUCING HIGH FREQUENCY. (SHAFT CORRODED AND PITTING) - [SDR HEEA079112](https://openairdocs.org/sdr/HEEA079112), May 21, 2002: CROSSTUBE. CORRODED. CROSSTUBE HAS SEVERAL AREAS OF PITTED CORROSION BETWEEN SADDLES. - [SDR HEEA078489](https://openairdocs.org/sdr/HEEA078489), Apr 26, 2002: GEARBOX. MAKING METAL. MAIN ROTOR COMBINING GEARBOX IS MAKING METAL. - [SDR HEEA075643](https://openairdocs.org/sdr/HEEA075643), Aug 28, 2001: ACTUATOR. INOPERATIVE. ACTUATOR INOPERATIVE. - [SDR HEEA073765](https://openairdocs.org/sdr/HEEA073765), Jun 20, 2001: HOSE. DAMAGED. SHORTLY AFTER TAKEOFF, BOTH FUEL TRANSFER CAUTION LIGHTS ILLUMINATED. THE FUEL QUANTITY INDICATOR SHOWED BOTH FORWARD FUEL CELLS EMPTY AND MID TANKS SHOWING 50 - [SDR HEEA073615](https://openairdocs.org/sdr/HEEA073615), Jun 18, 2001: BEARING. WORN. BEARING WORN. REPLACED WITH SERVICEABLE PART. - [SDR HEEA072676](https://openairdocs.org/sdr/HEEA072676), Apr 18, 2001: STRUCTURE. DELAMINATED. ENGINE BAY STRUCTURE DELAMINATED. - [SDR HEEA072671](https://openairdocs.org/sdr/HEEA072671), Apr 18, 2001: COMPUTER. MALFUNCTIONED. WONT HOLD ALTITUDE. - [SDR HEEA072616](https://openairdocs.org/sdr/HEEA072616), Apr 17, 2001: CONTROL UNIT. MALFUNCTIONED. DISPLAY BLANKS OUT WHEN CHANGING DIGITS. PERFORMED PRELIMINARY INSPECTION AND REPLACED DISPLAY LENS AND I203, I204, I205 AND I206 IC CHIPS. NO HELP. FOUND J303 - [SDR HEEA072491](https://openairdocs.org/sdr/HEEA072491), Apr 11, 2001: HOSE. LEAKING. LEAKING THROUGH STEEL BRAIDED SLEEVE. REPLACED WITH SERVICEABLE HOSE. - [SDR HEEA072489](https://openairdocs.org/sdr/HEEA072489), Apr 11, 2001: INDICATOR. MALFUNCTIONED. FLAG WILL NOT PULL. - [SDR HEEA072442](https://openairdocs.org/sdr/HEEA072442), Apr 10, 2001: ROTOR HEAD. VIBRATION. TAIL ROTOR PRODUCING A HIGH FREQ VIBRATION. REPLACED WITH SERVICEABLE PART. - [SDR HEEA072095](https://openairdocs.org/sdr/HEEA072095), Apr 5, 2001: SUPPORT BRACKET. CRACKED. SUPPORT BRACKET AND SHROUD CRACKED. REPLACED WITH SERVICEABLE PART. - [SDR HEEA071987](https://openairdocs.org/sdr/HEEA071987), Apr 5, 2001: EXHAUST STACK. CRACKED. EXHAUST STACK IS CRACKED AT SEAMS OF DUCT HALVES. THE CRACKED AREA EXCEEDS THE LIMITS. - [SDR HEEA065228](https://openairdocs.org/sdr/HEEA065228), Nov 17, 1999: INDICATOR. INOPERATIVE. NR 2 ENGINE N2 NEEDLE IS INOPERATIVE. - [SDR HEEA063381](https://openairdocs.org/sdr/HEEA063381), Aug 13, 1999: COMPUTER. MALFUNCTIONED. BEEP TRIM GOES FULL TRAVEL WITH SMALL INPUT. - [SDR HEEA063300](https://openairdocs.org/sdr/HEEA063300), Aug 10, 1999: INDICATOR. INACCURATE. INDICATOR'S ADF NEEDLE OFF 30-60 PERCENT. - [SDR HEEA063284](https://openairdocs.org/sdr/HEEA063284), Aug 10, 1999: STROBE. INOPERATIVE. STROBE LIGHT INOPERATIVE. - [SDR HEEA063184](https://openairdocs.org/sdr/HEEA063184), Aug 6, 1999: DETECTOR. MALFUNCTIONED. CYCLIC LIGHT STAYS ON. - [SDR HEEA062854](https://openairdocs.org/sdr/HEEA062854), Jul 12, 1999: DECK. SEPARATED. SERVICE DECK SEPARATED BEYOND ALLOWABLE REPAIR. - [SDR HEEA061595](https://openairdocs.org/sdr/HEEA061595), Apr 5, 1999: BLEED VALVE. MALFUNCTIONED. ENGINE OSCILLATES. - [SDR HEEA060772](https://openairdocs.org/sdr/HEEA060772), Feb 22, 1999: CONTROL UNIT. INOPERATIVE. GENERATOR INOPERATIVE. - [SDR HEEA060760](https://openairdocs.org/sdr/HEEA060760), Feb 22, 1999: INDICATOR. STICKS. TRIPLE TACHOMETER INDICATOR'S NR 1 ENGINE NEEDLE STICKS AT 20 PERCENT. - [SDR HEEA060759](https://openairdocs.org/sdr/HEEA060759), Feb 22, 1999: INDICATOR. FAILED. TRIPLE TACHOMETER INDICATOR'S NR 1 NEEDLE FOR N2 FAILED. - [SDR HEEA060739](https://openairdocs.org/sdr/HEEA060739), Feb 22, 1999: COMPUTER. MALFUNCTIONED. FAILED TEST 2.2, 2.3, 4.2 AND 4.3 ON SST. TIME SINCE REPAIR 0:00 HOURS. - [SDR HEEA060738](https://openairdocs.org/sdr/HEEA060738), Feb 22, 1999: COMPUTER. MALFUNCTIONED. COMPUTER WILL NOT TRACK IN NAV MODE. - [SDR HEEA060727](https://openairdocs.org/sdr/HEEA060727), Feb 22, 1999: COMPUTER. INOPERATIVE. LIGHTS ON MOTE SELECT UNIT INOPERATIVE. - [SDR HEEA060722](https://openairdocs.org/sdr/HEEA060722), Feb 22, 1999: DETECTOR. INTERMITTENT. RPM LIMIT DICTATOR INTERMITTENT. - [SDR HEEA060720](https://openairdocs.org/sdr/HEEA060720), Feb 22, 1999: DETECTOR. MALFUNCTIONED. WARNING LIGHT AND AUDIO COME ON INTERMITTENTLY. - [SDR HEEA060712](https://openairdocs.org/sdr/HEEA060712), Feb 22, 1999: ACTUATOR. BROKEN. STEP ACTUATOR ROD END BROKEN. - [SDR HEEA060709](https://openairdocs.org/sdr/HEEA060709), Feb 22, 1999: ACTUATOR. INOPERATIVE. STEP ACTUATOR WILL NOT ACTUATE. - [SDR HEEA060630](https://openairdocs.org/sdr/HEEA060630), Feb 16, 1999: ALTIMETER. MALFUNCTIONED. WHEN BARO KNOB IS TURNED, BAROMETRIC PRESSURE CARD DOES NOT MOVE ACCORDINGLY. - [SDR HEEA0016527](https://openairdocs.org/sdr/HEEA0016527), Oct 28, 1998: TARSYN333. FAILED. DG FAILS TEST 8.5 ON SST. - [SDR HEEA0016504](https://openairdocs.org/sdr/HEEA0016504), Oct 27, 1998: ACTUATOR. DAMAGED. ACTUATOR PISTON IS SCORED. - [SDR HEEA0014937](https://openairdocs.org/sdr/HEEA0014937), Jun 22, 1998: ENGINE. STALLS. COMPRESSOR STALLS. - [SDR HEEA0014504](https://openairdocs.org/sdr/HEEA0014504), Jun 4, 1998: INDICATOR. STICKS. TORQUE NR 1 NEEDLE STICKS AT 35 PERCENT INDICATION. - [SDR HEEA0014109](https://openairdocs.org/sdr/HEEA0014109), May 1, 1998: INDICATOR. FAILED. ATTITUDE INDICATOR WILL NOT OPERATE IN PITCH. All 129: https://openairdocs.org/deregistered/N108X-2011-09-10/reports.md --- 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.