# Service difficulty reports: N331EN, cancelled Mar 21, 2023

A list on [N331EN, cancelled Mar 21, 2023](https://openairdocs.org/deregistered/N331EN-2023-03-21.md).

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first.

Page 1 of 3 · 104 reports

- [SDR HNAA2018070600141](https://openairdocs.org/sdr/HNAA2018070600141.md): Unknown · odor · Jul 5, 2018 · N331EN · Dhav DHC8311 · Air Distribution System
  > ELECTRICAL ODOR DETECTED IN CABIN. RAN AIRCRAFT, OPERATED ALL SYSTEMS IAW THE OPERATORS MANAUL, AND INSPECTED CABIN FOR ELECTRICAL ODOR, NO DEFECTS OR ODOR FUND OR DETECTED AT THIS TIME. OK FOR SERVICE.
- [SDR HNAA2018032600066](https://openairdocs.org/sdr/HNAA2018032600066.md): Aoa · out of position · Mar 21, 2018 · N331EN · Dhav DHC8311 · Stall Warning System
  > PUSHER SYSTEM FAILED DURING TAXI OUT WITH STALL WARNING 1 AND 2 FAIL. FOUND BOTH AOA VANES OUT OF POSITION. RESET THE VANES. STALL WARNING SYSTEN OPS AND TESTED NORMAL.
- [SDR HNAA2018031200058](https://openairdocs.org/sdr/HNAA2018031200058.md): Warning Light · illuminated · Mar 11, 2018 · N331EN · Dhav DHC8311 · Stall Warning System
  > STICK PUSHER FAIL CAUTION LIGHT ILLUMINATED DURING TAKEOFF ROLL AT ABOUT 60 KNOTS. SWSP NITROGEN CHARGE DEPLETED IAW DEACTIVATION PROCEDURES.
- [SDR HNAA2018022600041](https://openairdocs.org/sdr/HNAA2018022600041.md): Head · defective · Feb 23, 2018 · N331EN · Dhav DHC8311 · HF Communications System
  > NR 1 COMM FAILED AND WENT BLANK. REMOVED AND REPLACED NR 1 COMM HEAD IAW MM 23-21-12. OPS CHECK GOOD. OK FOR SERVICE.
- [SDR HNAA2018011900011](https://openairdocs.org/sdr/HNAA2018011900011.md): Connector · not seated · Jan 17, 2018 · N331EN · Dhav DHC8311 · Ice/Rain Protection System Wiring
  > LEFT OTBD TAIL DEICE BOOT WOULD NOT INFLATE IN FAST, LOW, AUTO OR MANUAL MODES. FOUND THE DE-ICE BOOT DISTRIBUTOR ASSOCIATED WITH THE LT OTBD HORIZONTAL TAIL BOOT CONNECTOR PLUG NOT SEATED. SEATED THE CONNECTOR. OPS CHECKED SEVERAL TIMES. OKAY FOR SERVICE.
- [SDR HNAA2017112800383](https://openairdocs.org/sdr/HNAA2017112800383.md): Bleed Air Sys · smoke · Nov 24, 2017 · N331EN · Dhav DHC8311 · APU Bleed Air System
  > APU BLEED CREATES A SMOKE IN THE CABIN.
- [SDR HNAA2017112800381](https://openairdocs.org/sdr/HNAA2017112800381.md): Power Supply · inoperative · Nov 21, 2017 · N331EN · Dhav DHC8311 · Emergency Lighting
  > RIGHT FUSELAGE AFT EMERGENCY LIGHT INOPERATIVE. REMOVED THE POWER SUPPLY IN POSITION PS4 AND REPLACED WITH NEW.
- [SDR HNAA2017112800380](https://openairdocs.org/sdr/HNAA2017112800380.md): Power Supply · inoperative · Nov 21, 2017 · N331EN · Dhav DHC8311 · Emergency Lighting
  > TWO AFT MOST CEILING EMERGENCY LIGHTS ARE INOPERATIVE. REMOVED THE POWER SUPPLY IN POSITION PS4 AND REPLACED WITH NEW.
- [SDR HNAA2017111700376](https://openairdocs.org/sdr/HNAA2017111700376.md): Eec · inoperative · Nov 16, 2017 · N331EN · Dhav DHC8311 · Fuel Control/Turbine Engines
  > ECU ON NR 2 ENGINE INOP. R&R NR 2 EEC IAW AMM 72-01-10. OPS CK GOOD OK FOR SERVICE.
- [SDR HNAA2017102600359](https://openairdocs.org/sdr/HNAA2017102600359.md): Apu · odor · Oct 25, 2017 · N331EN · Dhav DHC8311 · Airborne Auxiliary Power Unit (APU) System
  > HOT ELECTRICAL ODOR DURING FLIGHT. RAN ENGINES WITH BLEED AIR ON, NO ABNORMAL FUMES OR ODOR NOTICED, IAW PDT RUN MANUAL. RAN APU WITH BLEED ON, MODERATE FUEL ODOR NOTED.
- [SDR HNAA2017102600358](https://openairdocs.org/sdr/HNAA2017102600358.md): Apu · smoke · Oct 25, 2017 · N331EN · Dhav DHC8311 · Airborne Auxiliary Power Unit (APU) System
  > APU REMAINED IN START MODE, SMOKE IN APU AREA, MX INSPECTED FOR HIDDEN DAMAGE.
- [SDR HNAA2017091400309](https://openairdocs.org/sdr/HNAA2017091400309.md): Light · failed · Sep 13, 2017 · N331EN · Dhav DHC8311 · DC Power Distribution System
  > CIRCUIT BREAKER M4 FOR COPILOTS LIGHT PANEL TRIPPED AND CREATED SMOKE IN THE COCKPIT. REMOVED AND REPLACED ICE DETECTION LIGHT AS REQUIRED. OPS CHECKED GOOD, OK FOR SERVICE.
- [SDR HNAA2017072000246](https://openairdocs.org/sdr/HNAA2017072000246.md): Autofeather Sys · malfunctioned · Jul 19, 2017 · N331EN · Dhav DHC8311 · Propeller Feathering/Reversing
  > AUTOFEATHER DID NOT ARM. REJECTED TAKE OFF AT 50 KTS. FAILS TO ARM STATICALLY. GROUND RAN IAW MM. OPS CHECKED GOOD, OK FOR SERVICE.
- [SDR HNAA2017062800218](https://openairdocs.org/sdr/HNAA2017062800218.md): Unknown · odor · Jun 27, 2017 · N331EN · Dhav DHC8311 · Air Distribution System
  > STRONG BURNING ODOR THROUGHOUT ACFT. EVENTUALLY DISSIPATED IN COCKPIT AND STILL NOTICEABLE IN CABIN. ENGINE PARAMETERS NORMAL, NO CAUTION OR WARNING LIGHTS ILLUMINATED. INSPECTED THE ACFT. NO DEFECTS NOTED. GROUND RAN, NO ODORS NOTED. OK FOR SERVICE
- [SDR HNAA2017061400206](https://openairdocs.org/sdr/HNAA2017061400206.md): Lamp · burned out · Jun 12, 2017 · N331EN · Dhav DHC8311 · Emergency Lighting
  > EMERGENCY FLOOR PATHLIGHTS ARE INOP AT ROWS 2 AND 6. R & R THE EMERGENCY LIGHT LAMPS.
- [SDR HNAA2017060900200](https://openairdocs.org/sdr/HNAA2017060900200.md): Switch · damaged · Jun 7, 2017 · N331EN · Dhav DHC8311 · Landing Gear Position and Warning
  > DURING APPROACH, RECEIVED THREE GEAR RED UNSAFE LIGHTS, WITH GEAR HANDLE SELECTED DOWN, NO CAUTION LIGHTS ILLUMINATED. WHILE EXECUTING ALTERNATE GEAR EXTENSION PROCEDURE, RED SWITCH GUARD PUSHED UP, GEAR CAME DOWN WITH THREE GREEN LIGHTS, VERIFIED ALT EXTENS
- [SDR HNAA2017042500140](https://openairdocs.org/sdr/HNAA2017042500140.md): Bulb · inoperative · Apr 28, 2017 · N331EN · Dhav DHC8311 · Emergency Lighting
  > RED FLOOR EMERGENCY LIGHT INOPERATIVE. R & R THE BULB.
- [SDR HNAA2017042100131](https://openairdocs.org/sdr/HNAA2017042100131.md): Light · inoperative · Apr 19, 2017 · N331EN · Dhav DHC8311 · Emergency Lighting
  > CABIN EMERGENCY LIGHT INOPERATIVE.
- [SDR HNAA2016082900262](https://openairdocs.org/sdr/HNAA2016082900262.md): Battery Pack · weak · Aug 26, 2016 · N331EN · Dhav DHC8311 · Emergency Lighting
  > FA EMERGENCY LIGHT SWITCH DOES NOT OPERATE EMERGENCY LIGHTS. ON MAIN AND AUX BATTERIES, BEING REINSTALLED THE SWITCH CYCLED PROPERLY. OPS CHECKED GOOD.
- [SDR HNAA2016070500205](https://openairdocs.org/sdr/HNAA2016070500205.md): Unknown · unknown · Jul 4, 2016 · N331EN · Dhav DHC8311 · Air Distribution System
  > NR 2 ENGINE ONLINE, ABORTED NR 1 ENGINE START AT 40 PERCENT NH, DUE TO REPORT OF POSSIBLE SMOKE IN REAR CABIN. PERFORMED 2 NORMAL NR 1 ENGINE START W/NR 2 ENGINE ONLINE. NO SMOKE, FUMES OR ELECTRICAL ODOR NOTED. OPS CK ENGINE BLEEDS AND OK FOR SERVICE.
- [SDR HNAA2016070500206](https://openairdocs.org/sdr/HNAA2016070500206.md): Power Supply · inoperative · Jun 30, 2016 · N331EN · Dhav DHC8311 · Emergency Lighting
  > MULTIPLE INTERIOR EMERGENCY LIGHTS ARE DIM OR OUT. R & R EMERGENCY LIGHT POWER SUPPLIES IAW WC 33-50-05, OPS CHECK IAW WC 33-50-03.
- [SDR HNAA2016053100158](https://openairdocs.org/sdr/HNAA2016053100158.md): Light · inoperative · May 28, 2016 · N331EN · Dhav DHC8311 · Emergency Lighting
  > 13DF FLOOR EMERGENCY LIGHT IS OUT. PULLED UP TRIM R & R BULB. REINSTALLED LIGHT FIXTURE AND TRIM, P/N OFF AND ON OL3071BPEGPL.
- [SDR HNAA2016053100157](https://openairdocs.org/sdr/HNAA2016053100157.md): Light · dim · May 28, 2016 · N331EN · Dhav DHC8311 · Emergency Lighting
  > LEFT AFT EGRESS LIGHT IS DIM. REMOVED COVER. R &R BULB REINSTALLED COVER WITH ATTAIN HARDWARE. OPS GOOD PN OFF AND ON BULB 85.
- [SDR HNAA2016012000015](https://openairdocs.org/sdr/HNAA2016012000015.md): Connector · corroded · Jan 20, 2016 · N331EN · Dhav DHC8311 · Engine Oil System Wiring
  > PUSHER SYS FAIL CAUTION LIGHT ILLUMINATED AND REMAINED ON. FOUND CONNECTOR HEAVILY CORRODED. R & R CONNECTOR IAW 27-20-02.
- [SDR HNAA2016012000014](https://openairdocs.org/sdr/HNAA2016012000014.md): Connector · damaged · Jan 20, 2016 · N331EN · Dhav DHC8311 · Flight Control System Wiring
  > RUDDER PRESSURE CAUTION LIGHT ILLUMINATED DURING CLIMBOUT, EXTINGUISHED AFTER LANDING. R & R CONNECTOR. OPS CHECKED GOOD IAW 27-20-06.
- [SDR HNAA2015103000321](https://openairdocs.org/sdr/HNAA2015103000321.md): Lamp · burned out · Oct 30, 2015 · N331EN · Dhav DHC8311 · Emergency Lighting
  > EMERGENCY FLOOR LIGHT AT ROW 5 NOT ILLUMINATING. REMOVED FLOOR LENS, STRIP, R & R BULB IN LIGHT MODULE AND REINSTALLED IN FLOOR STRIP AND SECURED LENS COVERING.
- [SDR HNAA2015062900211](https://openairdocs.org/sdr/HNAA2015062900211.md): Control Box · malfunctioned · Jun 29, 2015 · N331EN · Dhav DHC8311 · Emergency Lighting
  > EMERGENCY LIGHTS ILLUMINATED ON TAXI FOR 15 SECONDS. R & R EMERGENCY LIGHT CONTROL BOX. OPS CHECKED GOOD IAW 33-51-00.OK FOR SERVICE.
- [SDR HNAA2015062900207](https://openairdocs.org/sdr/HNAA2015062900207.md): Connector · loose · Jun 29, 2015 · N331EN · Dhav DHC8311 · Hydraulic Power System Wiring
  > ROLL SPOILER OTBD HYDRAULIC CAUTION LIGHT ON IN FLIGHT. MAINTENANCE CLEANED PRESSURE SWITCH AND ELECTRICAL CONNECTOR. TIGHTENED CONNECTOR ON BACKSHELL, GROUND RAN ACFT, OPS CHECKED GOOD AT THIS TIME.
- [SDR HNAA2015060300178](https://openairdocs.org/sdr/HNAA2015060300178.md): Bulb · inoperative · Jun 3, 2015 · N331EN · Dhav DHC8311 · Emergency Lighting
  > EMERGENCY FLOOR LIGHT, 6TH FROM THE FRONT IS INOPERATIVE. R & R BULB FROM EMERGENCY FLOOR LIGHT, OPS CHECKED GOOD.
- [SDR HNAA2015021300042](https://openairdocs.org/sdr/HNAA2015021300042.md): Bulb · failed · Feb 13, 2015 · N331EN · Dhav DHC8311 · Passenger Compartment Lighting
  > SMELLED ELECTRICAL SMOKE IN CABIN WITH APU ON. INSPECTED INNER CABIN AREA, OVERHEAD LIGHT, BALLAST AND SURROUNDING WIRING. FOUND LIGHT BULB TUBES AT ROW 6DF AND 5AC BE SUSPECTED. R & R BULBS. NO SMOKE OR ODOR NOTICED. OK FOR SERVICE.
- [SDR HNAA2015020600036](https://openairdocs.org/sdr/HNAA2015020600036.md): Bulb · inoperative · Feb 4, 2015 · N331EN · Dhav DHC8311 · Emergency Lighting
  > EMERGENCY LIGHT INOPERATIVE. R & R BULBS.
- [SDR HNAA2014112400336](https://openairdocs.org/sdr/HNAA2014112400336.md): Bulb · inoperative · Nov 24, 2014 · N331EN · Dhav DHC8311 · Emergency Lighting
  > EMERGENCY LIGHTS AT 10TH, 15TH AND 27TH POSITION ARE INOPERATIVE. R & R THE BULB, OPS CHECKED GOOD.
- [SDR HNAA2014112400333](https://openairdocs.org/sdr/HNAA2014112400333.md): Sensor · out of adjust · Nov 24, 2014 · N331EN · Dhav DHC8311 · Door Warning System
  > PASSENGER DOOR WARNING LIGHT ILLUMINATED DURING CLIMBOUT, EXTINGUISHING AFTER APPROXIMATELY 2-3 MINUTES. ADJUSTED DOOR WARNING SENSOR IAW MM 52-10-00. OPS CHECKED GOOD. CLEARED MEL.
- [SDR HNAA2014081300235](https://openairdocs.org/sdr/HNAA2014081300235.md): Tube · chafed · Aug 13, 2014 · N331EN · Dhav DHC8311 · Nacelle/Pylon, Main Frame
  > NR 2 NACELLE LOWER OTD SUPPORT TUBE IS CHAFED. REPAIRED CHAFE DAMAGE IAW EO8-54-14-0311.
- [SDR HNAA2014081300233](https://openairdocs.org/sdr/HNAA2014081300233.md): Engine · overtemp · Aug 13, 2014 · N331EN · Dhav DHC8311 · Engine (Turbine/Turboprop)
  > NR 2 ENGINE OIL TEMP AT TOP 0F GREEN ARC. ACFT RETURN TO FIELD.
- [SDR HNAA2014081300232](https://openairdocs.org/sdr/HNAA2014081300232.md): Connector · contaminated · Aug 13, 2014 · N331EN · Dhav DHC8311 · Electrical Power System Wiring
  > NR 2 AC GENERATOR CAUTION LIGHT AND NR 2 AC GENERATOR HOT CAUTION LIGHT ILLUMINATED. FOUND AC GEN CONNECTOR PLUG OIL SOAKED. CLEANED CONNECTOR. RAN ACFT, NO HOT LIGHT, BUT WOULD NOT COME ONLINE. R & R NR 2 AC GENERATOR IAW WC 24-20-11.
- [SDR HNAA2014070700198](https://openairdocs.org/sdr/HNAA2014070700198.md): Bulb · inoperative · Jul 7, 2014 · N331EN · Dhav DHC8311 · Emergency Lighting
  > FLOOR EMERGENCY LIGHT INOPERATIVE AT ROW 5DF. R & R BULB. OPS CHECKED GOOD.
- [SDR HNAA2014033100115](https://openairdocs.org/sdr/HNAA2014033100115.md): Bulb · dim · Mar 31, 2014 · N331EN · Dhav DHC8311 · Emergency Lighting
  > PAX DOOR EXIT EMERGENCY LIGHT IS DIM AT BOTTOM SECTION. R & R BULB ON PAX DOOR EMERGENCY LIGHT. OPS CHECKED GOOD.
- [SDR HNAA2014011700010](https://openairdocs.org/sdr/HNAA2014011700010.md): Bulb · inoperative · Jan 17, 2014 · N331EN · Dhav DHC8311 · Emergency Lighting
  > EMERGENCY FLOOR PATH LIGHT AT ROW 5DF IS INOPERATIVE. R & R BULB. OPS CHECKED GOOD.
- [SDR HNAA2014010600659](https://openairdocs.org/sdr/HNAA2014010600659.md): Bulb · inoperative · Jan 6, 2014 · N331EN · Dhav DHC8311 · Emergency Lighting
  > EMERGENCY LIGHT IS INOPERATIVE AT ROW 1. R & R BULB. OPS CHECKED GOOD.
- [SDR HNAA2013102300545](https://openairdocs.org/sdr/HNAA2013102300545.md): Warning Light · illuminated · Oct 23, 2013 · N331EN · Dhav DHC8311 · Battery Overheat Warning System
  > MASTER WARNING LIGHT FLASHED UPON GEAR RETRACTION, ALONG WITH NR 1 DC GENERATOR CAUTION LIGHT. R & R NR 1 DC GENERATOR IAW WC 24-30--2. OPS AND LEAKED CHECKED GOOD.
- [SDR HNAA2013101700535](https://openairdocs.org/sdr/HNAA2013101700535.md): Bulb · inoperative · Oct 17, 2013 · N331EN · Dhav DHC8311 · Emergency Lighting
  > EMERGENCY RED LIGHT INOPERATIVE AT ROW 11. R & R BULB IAW MM 33-51-00. OPS CHECKED GOOD.
- [SDR HNAA2013101700534](https://openairdocs.org/sdr/HNAA2013101700534.md): Bulb · inoperative · Oct 17, 2013 · N331EN · Dhav DHC8311 · Emergency Lighting
  > CEILING EMERGENCY ESCAPE PATH LIGHT IS INOPERATIVE AT ROW 4. R & R BULB ON CEILING EMERGENCY ESCAPE PATH AT ROW 4 IAW MM 33-51-00. OPS CHECKED GOOD.
- [SDR HNAA2013080500444](https://openairdocs.org/sdr/HNAA2013080500444.md): Starter Gen · failed · Aug 5, 2013 · N331EN · Dhav DHC8311 · Starter-Generator
  > LEFT MAIN BUSS FAULT OCCURRED WHEN SELECTING NR 1 ENGINE START BUTTON WITH ELECTRICAL SMELL. R & R NR 1 STARTER GENERATOR IAW WC 24-30-02R. START CONTACTOR 2431K1 WAS REPLACED IAW MM 24-31-09. OPS AND LEAKED CHECKED GOOD.
- [SDR HNAA2013080200439](https://openairdocs.org/sdr/HNAA2013080200439.md): Skin Panel · damaged · Aug 2, 2013 · N331EN · Dhav DHC8311 · Passenger/Crew Doors
  > BIRDSTRIKE OCCURRED AT 9000 FEET, JUST BELOW CAPTAIN'S WINDSCREEN. INSPECTED AFFECTED AREA IAW -8 MM 05-50-26. FOUND DOOR PANEL 212AL DAMAGED. R & R DOOR SKIN PANEL 212AL.
- [SDR HNAA2013070900399](https://openairdocs.org/sdr/HNAA2013070900399.md): Wire Harness · damaged · Jul 5, 2013 · N331EN · Dhav DHC8311 · Propeller/Propulsor System Wiring
  > AUTOFEATHER ARM LIGHT ILLUMINATED IN FLIGHT, ARM LIGHT STAYS ILLUMINATED UNTIL POWER LEVERS BROUGHT BELOW 60 PERCENT. R & R NR 1 ENGINE WIRING HARNESS. OPS CHECK GOOD.
- [SDR HNAA2013070300389](https://openairdocs.org/sdr/HNAA2013070300389.md): Autofeather Sys · malfunctioned · Jul 3, 2013 · N331EN · Dhav DHC8311 · Propeller Feathering/Reversing
  > AUTOFEATHER ARM LIGHT ILLUMINATED IN FLIGHT. ARM STAYS ILLUMINATED UNTIL BELOW 60 PERCENT TORQUE. NR 2 DOES NOT TEST. DUE TO AUTOFEATHER ARM LIGHT ILLUMINATED WITH AUTOFEATHER SELECTED. DEACTIVATED AUTOFEATHER SYS BY PULLING RELAYS 6121-K1 AND 6121-K2 FOR
- [SDR HNAA2013062600370](https://openairdocs.org/sdr/HNAA2013062600370.md): Tscu · inoperative · Jun 26, 2013 · N331EN · Dhav DHC8311 · Propeller Feathering/Reversing
  > AUTO FEATHER ARMED DURING CLIMB. R & R NR 2 TSCU I AW CMM 72-01-10. R & R RELAYS 6121-K3 AND K4 IAW 61-21-01. OPS CHECKED GOOD. OK FOR SERVICE.
- [SDR HNAA2013042600235](https://openairdocs.org/sdr/HNAA2013042600235.md): Fan · odor · Apr 26, 2013 · N331EN · Dhav DHC8311 · Air Distribution Fan
  > F/A REPORTED BURNING ODOR IN FORWARD CABIN AREA. GROUND RAN ACFT WITH ENGINE BLEEDS ON, NO DEFECTS NOTED. INSPECTED ALL OVERHEAD LIGHT FIXTURES, NO DEFECTS NOTED. INSPECTED COMPONENTS IN WARDROBE CLOSET AND AVIONICS RACK, NO DEFECTS NOTED. DISABLED COOLING FA
- [SDR HNAA2013041700225](https://openairdocs.org/sdr/HNAA2013041700225.md): Bulb · burned out · Apr 16, 2013 · N331EN · Dhav DHC8311 · Emergency Lighting
  > DIM CEILING EMERGENCY LIGHT AT AFT POSITION. R & R AFT CEILING EMERGENCY LIGHT, SECURED LIGHT LENS.

Next page: https://openairdocs.org/deregistered/N331EN-2023-03-21/reports.md?page=2

## 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 = 'N331EN' AND deregistration_id = 'N331EN-2023-03-21'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N331EN-2023-03-21/reports

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