# Service difficulty reports: N821EX, cancelled Oct 26, 2006 A list on [N821EX, cancelled Oct 26, 2006](https://openairdocs.org/deregistered/N821EX-2006-10-26.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR PCAA0402168](https://openairdocs.org/sdr/PCAA0402168.md): Manifold · broken · Feb 16, 2004 · N821EX · Dhav DHC8102 · Hydraulic System, Main > FLIGHT 4072 TO LGA REPORTED COMPLETE LOSS OF NR 2 HYDRAULIC CONTENTS IN FLIGHT. AIRCRAFT RAN FOR 20 MINUTES WITH NO FLUID IN AFFECTED SYSTEM. MAINTENANCE INSPECTED AND FOUND THE NR 2 HYDRAULIC PRESSURE MANIFOLD AT FAULT WITH A BROKEN OFF FITTING. MAINTENANC - [SDR PCAA0402164](https://openairdocs.org/sdr/PCAA0402164.md): Ahrs · faulty · Feb 12, 2004 · N821EX · Dhav DHC8102 · Integrated Flight System > FLIGHT 3929 CLIMBING OUT OF PHILADELPHIA HAD TO RETURN TO FIELD DUE TO THE AHRS ON THE CAPTAINS SIDE GOING INOP. THE PILOT ELECTED TO RETURN TO FIELD FOR MAINTENANCE. MAINTENANCE REPLACED THE NR 1 AHRS COMPUTER AND ALL OPERATIONAL CHECKS WERE GOOD. AIRCRAFT - [SDR PCAA0402165](https://openairdocs.org/sdr/PCAA0402165.md): Pcu · faulty · Feb 10, 2004 · N821EX · Dhav DHC8102 · Propeller Controlling System > FLIGHT 3998 MIDDLETOWN, PILOT REPORTED THAT THE NR 2 PROP DID NOT FEATHER DURING THE AUTOFEATHER TEST. MAINTENANCE REMOVED AND REPLACED THE NR 2 PROPELLER CONTROL UNIT. ALL OPERATIONAL AND LEAK CHECKS WERE GOOD AND AIRCRAFT RETURNED TO SERVICE. - [SDR PCAA0311142](https://openairdocs.org/sdr/PCAA0311142.md): Actuator · faulty · Nov 19, 2003 · N821EX · Dhav DHC8102 · Landing Gear Door Actuator > DURING CLIMB, AIRCRAFT 821EX, FLIGHT 3651 IN MIDDLETOWN HAD LEFT GEAR DOOR LIGHT REMAIN ILLUMINATED AFTER THE GEAR WAS RETRACTED. GEAR WAS CYCLED PER CHECKLIST, LIGHT STILL EXISTED. LAGUARDIA MAINTENANCE REPLACED THE LEFT GEAR DOOR ACTUATOR AND RIGGED AS REQ - [SDR PCAA0112174](https://openairdocs.org/sdr/PCAA0112174.md): Link · worn · Dec 30, 2001 · N821EX · Dhav DHC8102 · Nose/Tail Landing Gear Strut/Axle > DURING FLEET INSPECTION OF NOSE LANDING GEAR FOR WEAR IN THE TRAILING ARM LINK ASSEMBLY THE TRAILING ARM ASSEMBLY, LINK, UPPER AND LOWER PINS WERE REPLACED DUE TO WEAR. AIRCRAFT RETURNED TO SERVICE. - [SDR PCAA0111137](https://openairdocs.org/sdr/PCAA0111137.md): Latch · lack of lube · Nov 19, 2001 · N821EX · Dhav DHC8102 · Fixed Inner Doors > BWI-FLIGHT 3909. CREW REPORTED COCKPIT DOOR LATCH MECHANISM IS BINDING AND HARD TO TURN PREVENTING EGRESS. MAINTENANCE LUBED LATCH. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. - [SDR PCAA0108103](https://openairdocs.org/sdr/PCAA0108103.md): Rivet · loose · Jan 8, 2001 · N821EX · Dhav DHC8102 · Nacelle/Pylon, Main Frame > DURING FLEET INSPECTION FOR NACELLE RIVETS BEING LOOSE AND MISSING, 2 RIVETS ON RIGHT NACELLE OUTBOARD END FOUND LOOSE JUST BELOW FLAP TRACK. LOOSE RIVETS REPLACED. AIRCRAFT RETURNED TO SERVICE. - [SDR PCAA0007046](https://openairdocs.org/sdr/PCAA0007046.md): Attach Angle · cracked · Jul 22, 2000 · N821EX · Dhav DHC8102 · Nose/Tail Landing Gear Attach Section > UPON APPROACH INTO MDT, FLIGHT 3800 EXPERIENCED A LOUD THUMP NOISE WHEN THE GEAR WAS SELECTED DOWN. MAINTENANCE INSPECTED AND FOUND THE NOSE WHEEL WELL AREA WHERE THE NOSE LANDING GEAR UPLOCK ACTUATOR ATTACHES, CRACKED. REPAIRS WERE MADE TO THE AREA IAW DHC - [SDR PCAA0006043](https://openairdocs.org/sdr/PCAA0006043.md): Control Cable · broken · Jun 23, 2000 · N821EX · Dhav DHC8102 · Landing Gear Brake System > PIT- UPON LANDING, FLIGHT 3949 EXPERIENCED A LOUD BANG AND THE RIGHT BRAKE PEDAL WENT FLUSH AGAINST THE FLOOR, CAPTAINS AND FIRST OFFICERS. MAINTENANCE INSPECTED AND FOUND THE RIGHT PEDAL CABLE BROKEN UNDER THE COCKPIT FLOOR. REMOVED AND REPLACED CABLE IAW D - [SDR PCAA9900026](https://openairdocs.org/sdr/PCAA9900026.md): Actuator · failed · Aug 8, 1999 · N821EX · Dhav DHC8102 · Landing Gear Retraction/Extension System > BTV - UPON DESCENT, THE LEFT MAIN GEAR DID NOT EXTEND WHEN SELECTED. GEAR EXTENDED 45 SECONDS LATER WITH DOWN AND LOCKED INDICATION. MAINTENANCE REMOVED AND RPELACED THE LEFT MAIN GEAR UPLOCK ACTUATOR IAW CHAPTER 32. CYCLED GEAR SEVERAL TIMES, OPERATIONAL C - [SDR PCAA9800754](https://openairdocs.org/sdr/PCAA9800754.md): Bulb · failed · Mar 12, 1998 · N821EX · Dhav DHC8102 · Emergency Lighting > SEVERAL SMALL BULBS INOPERATIVE IN FORWARD OVERHEAD EMERGENCY EXIT SIGN. REMOVED AND REPLACED BULBS. OPERATIONAL TEST NORMAL. AIRCRAFT RETURNED TO SERVICE. (M) - [SDR PCAA9800715](https://openairdocs.org/sdr/PCAA9800715.md): Bulb · failed · Feb 2, 1998 · N821EX · Dhav DHC8102 · Emergency Lighting > FORWARD CENTER CEILING EMERGENCY LIGHT INOPERATIVE. REMOVED AND REPLACED BULB. OPERATIONAL TEST NORMAL. AIRCRAFT RETURNED TO SERVICE. (X) - [SDR PCAA9800694](https://openairdocs.org/sdr/PCAA9800694.md): Pseu · failed · Jan 19, 1998 · N821EX · Dhav DHC8102 · Landing Gear Retraction/Extension System > EN ROUTE TO PHL, UPON SELECTING THE LANDING GEAR DOWN THE GEAR DID NOT EXTEND. CAUTION LIGHT ILLUMINATED MOMENTARILY THEN EXTINGUISHED. THE CONTROL CIRCUIT BREAKER POPPED. AN ALTERNATE EXTENSION WAS PERFORMED AND THE A/C LANDED SAFELY. MAINTENANCE TROUBLESH - [SDR PCAA9800681](https://openairdocs.org/sdr/PCAA9800681.md): Bulb · failed · Jan 3, 1998 · N821EX · Dhav DHC8102 · Emergency Lighting > ONE LIGHT INOPERATIVE IN FLOOR EMERGENCY PROXIMITY LIGHTING SYSTEM. REMOVED AND REPLACED BULB. OPERATIONAL TEST NORMAL. A/C RETURNED TO SERVICE. (M) - [SDR PCAA9700639](https://openairdocs.org/sdr/PCAA9700639.md): Battery · discharged · Dec 3, 1997 · N821EX · Dhav DHC8102 · Emergency Lighting > CENTER CEILING EMERGENCY LIGHT INOPERATIVE. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK. OPERATIONAL TEST NORMAL. A/C RETURNED TO SERVICE. (M) - [SDR PCAA9700638](https://openairdocs.org/sdr/PCAA9700638.md): Lens · missing · Dec 3, 1997 · N821EX · Dhav DHC8102 · Emergency Lighting > RIGHT SIDEWALL EMERGENCY EXIT SIGN MISSING LENSE AT ROW FOUR. REPLACED LENS. OPERATIONAL TEST NORMAL. AIRCRAFT RETURNED TO SERVICE. (M) - [SDR PCAA9700627](https://openairdocs.org/sdr/PCAA9700627.md): Batteries · discharged · Nov 30, 1997 · N821EX · Dhav DHC8102 · Emergency Lighting > CENTER OVERHEAD CABIN EMERGENCY LIGHT AND AFT OVERHEAD SIGN INOPERATIVE. CHARGED BATTERIES USING A/C SYSTEM OPERATIONAL CHECK GOOD. A/C RETURNED TO SERVICE. (M) - [SDR PCAA9700620](https://openairdocs.org/sdr/PCAA9700620.md): Bulb · failed · Nov 14, 1997 · N821EX · Dhav DHC8102 · Emergency Lighting > CENTER CABIN OVERHEAD EMERGENCY EXIT LIGHT INOPERATIVE. REMOVED AND REPLACED BULB. OPERATIONAL TEST NORMAL. AIRCRAFT RETURNED TO SERVICE. (M) - [SDR PCAA9700618](https://openairdocs.org/sdr/PCAA9700618.md): Bulb · failed · Nov 14, 1997 · N821EX · Dhav DHC8102 · Emergency Lighting > RIGHT AFT EXTERIOR EMERGNCY EGRESS LIGHT INOPERATIVE. REMOVED AND REPLACED BULB. OPERATIONAL TEST NORMAL. A/C RETURNED TO SERVICE. (M) - [SDR PCAA9700606](https://openairdocs.org/sdr/PCAA9700606.md): Seat Track · worn · Oct 31, 1997 · N821EX · Dhav DHC8102 · Fuselage, Seat/Cargo Attach Fittings > CAPTAINS LEFT SEAT TRACK SHOWING WEAR. REPAIRED SEAT RAILS IAW DHC SERVICE BULLETIN 8-53-53 AND RD8-53-2658. A/C RETURNED TO SERVICE. (M) - [SDR PCAA9700595](https://openairdocs.org/sdr/PCAA9700595.md): Seat Track · worn · Oct 31, 1997 · N821EX · Dhav DHC8102 · Fuselage, Seat/Cargo Attach Fittings > CAPTAIN'S LEFT SEAT TRACK SHOWING WEAR. MAINTENANCE PERFORMED S/B 8-53-53 TO AIRCRAFT. AIRCRAFT RETURNED TO SERVICE. (M) - [SDR PCAA9700580](https://openairdocs.org/sdr/PCAA9700580.md): Bulb · failed · Oct 19, 1997 · N821EX · Dhav DHC8102 · Emergency Lighting > RIGHT AFT EXTERIOR EMERGENCY EGRESS LIGHT INOPERATIVE. REMOVED AND REPLACED BULB. OPERATIONAL TEST NORMAL. AIRCRAFT RETURNED TO SERVICE. (M) - [SDR PCAA9700575](https://openairdocs.org/sdr/PCAA9700575.md): Bulb · failed · Oct 15, 1997 · N821EX · Dhav DHC8102 · Emergency Lighting > AFT CENTER AISLE OVERHEAD EMERGENCY LIGHT INOPERATIVE. REMOVED AND REPLACED BULB. OPERATIONAL TEST NORMAL. AIRCRAFT RETURNED TO SERVICE. (M) - [SDR PCAA9700552](https://openairdocs.org/sdr/PCAA9700552.md): Light · inoperative · Sep 22, 1997 · N821EX · Dhav DHC8102 · Emergency Lighting > COCKPIT OVERHEAD PORTABLE EMERGENCY LIGHT INOPERATIVE. REMOVED AND REPLACED COCKPIT OVERHEAD PORTABLE EMERGENCY LIGHT ASSEMBLY WITH SERVICEABLE UNIT. OPERATIONAL TEST NORMAL. A/C RETURNED TO SERVICE. (M) - [SDR PCAA9700539](https://openairdocs.org/sdr/PCAA9700539.md): Battery Pack · discharged · Sep 9, 1997 · N821EX · Dhav DHC8102 · Emergency Lighting > RIGHT CABIN AFT EMERGENCY LIGHT INOPERATIVE. REMOVED AND REPLACED RIGHT FORWARD BATTERY PACK. OPERATIONAL CHECK NORMAL. AIRCRAFT RETURNED TO SERVICE. (M) - [SDR PCAA9700500](https://openairdocs.org/sdr/PCAA9700500.md): Light · inoperative · Jul 26, 1997 · N821EX · Dhav DHC8102 · Emergency Lighting > COCKPIT EMERGENCY LIGHT WILL NOT HOLD A CHARGE. REMOVED AND REPLACED COCKPIT OVERHEAD EMERGENCY LIGHT WITH SERVICEABLE UNIT. OPERATIONAL CHECK NORMAL. AIRCRAFT RETURNED TO SERVICE. (M) - [SDR PCAA9700490](https://openairdocs.org/sdr/PCAA9700490.md): Battery Pack · open circuit · Jul 16, 1997 · N821EX · Dhav DHC8102 · Emergency Lighting > AFT LEFT EMERGENCY EGRESS LIGHT DOES NOT ILLUMINATE WHEN SELECTED ON. FOUND OPEN CIRCUIT AT EMERGENCY LIGHT BATTERY PACK AT POSITION PS3. REPAIRED CIRCUIT. OPERATIONAL CHECK NORMAL. AIRCRAFT RETURNED TO SERVICE. (M) - [SDR PCAA9700379](https://openairdocs.org/sdr/PCAA9700379.md): Bulb · failed · Apr 17, 1997 · N821EX · Dhav DHC8102 · Emergency Lighting > ONE LIGHT INOPERATIVE IN EMERGENCY FLOOR PATH LIGHTING. REMOVED AND REPLACED LAMP. OPERATIONAL CHECK NORMAL. AIRCRAFT RETURNED TO SERVICE. (X) - [SDR PCAA9600330](https://openairdocs.org/sdr/PCAA9600330.md): Hyd Hose · failed · Dec 12, 1996 · N821EX · Dhav DHC8102 · Landing Gear Retraction/Extension System > UPON TAKEOFF OUT OF MHT, WHEN LANDING GEAR WAS SELECTED UP, THE NR 2 HYDRAULIC CONTENTS FELL TO ZERO. CREW PERFORMED A MANUAL EXTENSION OF GEAR. THE AIRCRAFT RETURNED TO THE FIELD AND LANDED WITHOUT INCIDENT. INSPECTED AND FOUND THE NOSE LANDING GEAR DRAG - [SDR PCAA9600308](https://openairdocs.org/sdr/PCAA9600308.md): Uplock Switch · failed · Sep 12, 1996 · N821EX · Dhav DHC8102 · Landing Gear Position and Warning > FLT 3827 - AFTER GEAR RETRACTION, NOSE GEAR INDICATED UNSAFE AND NOSE GEAR DOORS INDICATED OPEN. CREW PERFORMED ALTERNATE GEAR EXTENSION AND RETURNED TO SCE WITHOUT INCIDENT. REMOVED AND REPLACED NOSE DRAG STRUT PROXIMITY SWITCH. RETRACTION AND OPERATIONAL - [SDR PCAA9500248](https://openairdocs.org/sdr/PCAA9500248.md): Light · intermittent · Nov 13, 1995 · N821EX · Dhav DHC8102 · Emergency Lighting > THE PORTABLE OVERHEAD EMERGENCY LIGHT FLASHES INTERMITTENTLY, AND SHOWS LOW ILLUMINATION ON GROUND. REMOVED AND REPLACED C/P EMERGENCY LIGHT. AIRCRAFT RETURNED TO SERVICE. (M) - [SDR PCAA9500235](https://openairdocs.org/sdr/PCAA9500235.md): Fuel Filter · clogged · Jul 20, 1995 · N821EX · Dhav DHC8102 · Engine Fuel Distribution > NR 2 FUEL FILTER BYPASS LIGHT ILLUMINATED ON TAKEOFF. TAKEOFF WAS ABORTED. REMOVED AND REPLACED HIGH AND LOW PRESSURE FILTERS, BYPASS SWITCH, RAN ENGINE, OPS OK. AIRCRAFT RETURNED TO SERVICE. (M) - [SDR PCAA9500190](https://openairdocs.org/sdr/PCAA9500190.md): Eel Cover · loose · Jan 30, 1995 · N821EX · Dhav DHC8102 · Emergency Lighting > PLASTIC COVER TO EMERGENCY FLOOR LIGHTS IS COMING UP. RESECURED LIGHT COVER. ACFT RETURNED TO SERVICE. (W) - [SDR PCAA9500185](https://openairdocs.org/sdr/PCAA9500185.md): Engine · failed · Jan 8, 1995 · N821EX · Dhav DHC8102 · Engine (Turbine/Turboprop) > THE NR 1 ENGINE SHUTDOWN IN FLIGHT. INSPECTED AND FOUND ACCESSORY GEAR DRIVE SHIFTED AND OIL COMTAMINATED WITH METAL. REMOVED AND REPLACED NR 1 ENGINE ASSEMBLY AND OIL COOLER. LEAK AND OPERATIONALLY CHECKED GOOD. ACFT RETURNED TO SERVICE. (W) ## 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 = 'N821EX' AND deregistration_id = 'N821EX-2006-10-26' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N821EX-2006-10-26/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.