# Service difficulty reports: Eurocopter EC 155B

A list on [Eurocopter EC 155B](https://openairdocs.org/model/eurocopter-ec-155b.md).

Newest first. General aviation reporting is voluntary.

- [SDR 2025F00234](https://openairdocs.org/sdr/2025F00234.md): Wire Harness · burned · Aug 30, 2025 · N100GN · Urocop EC155B · Electrical Power System Wiring
  > AIRCRAFT LANDED NORMALLY ON THE ROOFTOP HELIPAD AT 7XA7 WITH NO ABNORMAL INDICATIONS ON CAD OR VEMD IN FLIGHT OR UPON LANDING. ENGINES WERE BROUGHT TO IDLE, PASSENGERS WERE BRIEFED AND LOADED, BAGGAGE SECURED, AND DOORS CLOSED. SHORTLY AFTER ACTIVATION OF THE
- [SDR OLJA202408130001](https://openairdocs.org/sdr/OLJA202408130001.md): Engine · making metal · Aug 9, 2024 · N916LL · Urocop EC155B · Engine (Turbine/Turboprop)
  > DURING AN INTERFACILITY TRANSPORT FROM HANOVER HOSPITAL TO HARRISBURG HOSPITAL. ENGINE #2 CHIP LIGHT ILLUMINATED. THE A/C ABORTED FLIGHT AND DIVERTED TO CAPITAL CITY AIRPORT.. AFTER 2 ATTEMPTS TO CLEAR THE CHIP THE LIGHT REMAINED ON. THE PILOT BROUGHT THE
- [SDR M3XA20201222008](https://openairdocs.org/sdr/M3XA20201222008.md): Line · chafed · Dec 23, 2020 · N911UF · Urocop EC155B · Hydraulic System, Main
  > DURING PILOT TRAINING THE NR 1 HYDRAULIC SYSTEM INDICATION ILLUMINATED DURING FLIGHT. THE LOW HYDRAULIC WARNING INDICATION ILLUMINATED AND APROXIMATELY 10 SECONDS LATER THE HYDRAULIC SERVO LIGHT ILLUMINATED. PILOT LOWERED THE LANDING GEAR AND LANDED WITHOUT
- [SDR HDNA2019013100003](https://openairdocs.org/sdr/HDNA2019013100003.md): Downlock Switch · intermittent · Jan 30, 2019 · N157UM · Urocop EC155B · Landing Gear Position and Warning
  > DURING LANDING, GEAR INDICATOR SHOWED ONLY 2 GEAR DOWN AND LOCKED.
- [SDR 2018FA0000533](https://openairdocs.org/sdr/2018FA0000533.md): Circuit Card · burned · Oct 27, 2018 · N711GN · Urocop EC155B · Flight Compartment Lighting
  > DURING FINAL APPROACH, SMOKE WAS NOTICED COMING FROM BELOW THE INSTRUMENT PANEL. AFTER NORMAL LANDING AIRCRAFT WAS SECURED AND CREW EXITED. FURTHER INVESTIGATION REVEALED A BURNED ANCILLARY SERVICE UNIT CIRCUIT CARD. THE COCKPIT NIGHT LIGHTING MODE, WHICH WAS
- [SDR 2019F00088](https://openairdocs.org/sdr/2019F00088.md): Circuit Card · burned · Oct 27, 2018 · N100GN · Urocop EC155B · Flight Compartment Lighting
  > DURING FINAL DECENT SMOKE WAS NOTICED COMING FROM BELOW THE INSTRUMENT PANEL. AFTER NORMAL LANDING, AIRCRAFT WAS SECURED AND CREW EXITED. FURTHER INVESTIGATION REVEALED A BURNED ANCILLARY SERVICE UNIT CIRCUIT CARD. THE COCKPIT NIGHT LIGHTING MODE, WHICH WAS SE
- [SDR M3XA2018021603](https://openairdocs.org/sdr/M3XA2018021603.md): Drive Shaft · sheared · Feb 16, 2018 · N911UF · Urocop EC155B · Main Rotor Drive System
  > ON SHORT FINAL, CREW REPORTED A LOUD BANG FROM THE TRANSMISSION DECK, PILOT REPORTED A TRANSMISSION PRESSURE LIGHT ILLUMINATED. LANDED WITHOUT INCIDENT. ON THE MAINTENANCE INSPECTION, REVEALED THE OIL COOLER FAN DRIVE SHAFT HAD SHEARED AND CUT INTO THE OIL
- [SDR HDNA201502250006](https://openairdocs.org/sdr/HDNA201502250006.md): Indication Sys · false indication · Feb 25, 2015 · N155UM · Urocop EC155B · Central Warning
  > DURING TAKEOFF WHILE CLIMBING, TRANSMISSION OIL PRESS WAS FLUCTUATING BETWEEN 1.4 & 3.8 BARS. THROUGH EXTENSIVE TROUBLESHOOTING DETERMINED IT WAS THE VEMD.
- [SDR UG8A2014032001](https://openairdocs.org/sdr/UG8A2014032001.md): Hydraulic Line · ruptured · Mar 19, 2014 · N156UM · Urocop EC155B · Hydraulic System, Main
  > REPLACED RUPTURED HYD LINE PN 704A34413466, ALSO REPLACED HYD LINE PN 704A34413447 FOR MAINTENANCE CONVENIENCE. REPLACED HYDRAULIC PUMP PN C24999010-0, SN OFF Y00098, SN ON Y00078. SERVICED SYS TO CAPACITY. GND RUN, BLEED & LEAK CHECKED OK.
- [SDR BTVR2014FA0000192](https://openairdocs.org/sdr/BTVR2014FA0000192.md): Window · cracked · Mar 14, 2014 · N157UM · Urocop EC155B · Flight Compartment Windows
  > WINDOW CRACKED IN UPPER LT CORNER WHERE IT IS OVERLAPPED BY LOWER DOOR HINGE. EXTREMELY COLD WEATHER, -10 DEGREES F, CAUSED WINDOW TO BECOME INFLEXIBLE. WINDOW LIKELY CRACKED WHEN TOO MUCH PRESSURE WAS APPLIED TO THE DOOR WHILE IT WAS OPEN. PILOTS AND CREWS
- [SDR BTVR2014032600191](https://openairdocs.org/sdr/BTVR2014032600191.md): Window · cracked · Mar 14, 2014 · N155UM · Urocop EC155B · Flight Compartment Windows
  > WINDOW CRACKED FROM TOP TO BOTTOM, BEGINNING WHERE IT IS OVERLAPPED BY LOWER DOOR HINGE. EXTREMELY COLD WEATHER, -10 DEGREES F, CAUSED WINDOW TO BECOME INFLEXIBLE. WINDOW LIKELY CRACKED WHEN TOO MUCH PRESSURE WAS APPLIED TO THE DOOR WHILE IT WAS OPEN. PILOT
- [SDR UG8A2014012801](https://openairdocs.org/sdr/UG8A2014012801.md): Indicator · malfunctioned · Jan 28, 2014 · N156UM · Urocop EC155B · Landing Gear Position and Warning
  > NOSE GEAR LIGHT DID NOT ILLUMINATE DURING EXTENSION. INSPECTED LG SYS. REMOVED, CLEANED & RE-ATTACHED ELEC CONNECTIONS. PERFORMED MULTIPLE EXTENSION & RETRACTIONS OF LG USING GND ELEC & HYD POWER TO CONFIRM PROPER OPERATION. NO PROBLEMS FOUND WITH FUNCTION
- [SDR CA050913004](https://openairdocs.org/sdr/CA050913004.md): Tube · cracked · Sep 8, 2005 · Urocop EC155B · Hydraulic System, Main
  > (CAN) DURING A POST FLIGHT WALK AROUND PILOT NOTICED HYDRAULIC FLUID DRIPPING FROM LT WHEEL WELL. FURTHER INVESTIAGTION FOUND FLUID ACTUALLY DRIPPING FROM ABOVE IN THE FORWARD LT BAGGAGE AREA WHERE THE HYDRAULIC SYSTEM PIPING RUNS. A SINGLE PIPE GOING INTO A M
- [SDR TXER100778](https://openairdocs.org/sdr/TXER100778.md): Probe · broken · Apr 27, 2005 · N588CF · Urocop EC155B · Outside Air Temperature Indicator/Sensor
  > PROBE BROKEN.
- [SDR TXER100777](https://openairdocs.org/sdr/TXER100777.md): Probe · broken · Apr 27, 2005 · N588CF · Urocop EC155B · Outside Air Temperature Indicator/Sensor
  > PROBE BROKEN.
- [SDR TXER100821](https://openairdocs.org/sdr/TXER100821.md): Baffle · worn · Apr 22, 2005 · N155EW · Urocop EC155B · Powerplant System
  > WORN BAFFLE.
- [SDR TXER100820](https://openairdocs.org/sdr/TXER100820.md): Baffle · worn · Apr 22, 2005 · N155EW · Urocop EC155B · Powerplant System
  > WORN BAFFLE.
- [SDR TXER099790](https://openairdocs.org/sdr/TXER099790.md): Starter Gen · inoperative · Mar 3, 2005 · N155EW · Urocop EC155B · Starter-Generator
  > STARTER GEN WILL NOT MAINTAIN VOLTAGE / AMPS AT LOAD.
- [SDR TXER100211](https://openairdocs.org/sdr/TXER100211.md): Switch · inoperative · Feb 7, 2005 · N588CF · Urocop EC155B · Lighting System
  > LIGHT SWITCH INOPERATIVE
- [SDR TXER100210](https://openairdocs.org/sdr/TXER100210.md): Potentiometer · inoperative · Jan 31, 2005 · N588CF · Urocop EC155B · Autopilot Computer
  > POTENTIOMETER INOPERATIVE. INCORRECT READINGS
- [SDR TXER099314](https://openairdocs.org/sdr/TXER099314.md): Oil Tank · leaking · Jan 28, 2005 · N155EW · Urocop EC155B · Turbine Engine Oil System
  > OIL TANK LEAKING FROM SIGHT GLASS.
- [SDR TXER099315](https://openairdocs.org/sdr/TXER099315.md): Relay · failed · Jan 20, 2005 · N155EW · Urocop EC155B · Electrical Power System
  > RELAY FAILED.
- [SDR TXER099081](https://openairdocs.org/sdr/TXER099081.md): Elt · inoperative · Jan 15, 2005 · N588CF · Urocop EC155B · Emergency Locator Beacon
  > ELT FAILS TEST MODE.
- [SDR TXER099080](https://openairdocs.org/sdr/TXER099080.md): Elt · will not test · Jan 15, 2005 · N588CF · Urocop EC155B · Emergency Locator Beacon
  > ELT FAILS TEST MODE.
- [SDR TXER099084](https://openairdocs.org/sdr/TXER099084.md): Compass · broken · Jan 2, 2005 · N588CF · Urocop EC155B · Magnetic Compass
  > COMPASS MOUNT FLANGE BROKEN.
- [SDR TXER099082](https://openairdocs.org/sdr/TXER099082.md): Clock · inoperative · Jan 1, 2005 · N588CF · Urocop EC155B · Independent Instruments
  > CLOCK INOP.
- [SDR TXER097946](https://openairdocs.org/sdr/TXER097946.md): Fairing · cracked · Oct 17, 2004 · N155EW · Urocop EC155B · Tail Rotor System
  > TAIL ROTOR FAIRING CRACKED.
- [SDR TXER097330](https://openairdocs.org/sdr/TXER097330.md): Altimeter · inoperative · Aug 26, 2004 · N588CF · Urocop EC155B · Altimeter, Barometric/Encoder
  > ALITIMERTER INOPERATIVE, OFF 100 FEET.
- [SDR TXER097010](https://openairdocs.org/sdr/TXER097010.md): Windshield · cracked · Jun 22, 2004 · N155EW · Urocop EC155B · Flight Compartment Windows
  > CRACKED WINDSHIELD.
- [SDR TXER097141](https://openairdocs.org/sdr/TXER097141.md): Circuit Board · inoperative · Jun 18, 2004 · N155EW · Urocop EC155B · Air Distribution System
  > CIRCUIT BOARD INOPERATIVE, SHUTTING A/C COMPRESSOR DOWN.
- [SDR CA040624004](https://openairdocs.org/sdr/CA040624004.md): Holder · loose · Jun 14, 2004 · Urocop EC155B · Electronic Shelf Section
  > (CAN) AC HAS THREADED TYPE FUSE HOLDERS. IN CRUISE, LOST OIL PRESSURE INDICATION ON NR 2 ENGINE. LOW PRESSURE LIGHT DID NOT COME ON, (IT'S ON A SEPARATE PRESS SWITCH). PILOT REDUCED NR 2 ENG TO IDLE. TEMP REMAINED NORMAL WITH NO OTHER CHANGES IN SYSTEMS. AN
- [SDR 2003FA0000991](https://openairdocs.org/sdr/2003FA0000991.md): Switch · failed · Sep 18, 2003 · N155WH · Urocop EC155B · Engine Start Valves/Controls
  > DURING A TEST RUN FOLLOWING AN ENGINE CHANGE OF THE NR 1 ENGINE, THE NR 1 ENGINE FAILED TO RETURN TO IDLE WHEN THE NR 1 START SWITCH WAS BROUGHT FROM FLIGHT TO IDLE POSITION. SUBSEQUENT TROUBLE-SHOOTING FOUND THAT THE SWITCH WOULD ALSO FAIL FROM IDLE TO FLIGH

## 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 aircraft_model_key = 'EC155B'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/model/eurocopter-ec-155b/reports

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