# Service difficulty reports: N7077B, cancelled Oct 19, 2004

A list on [N7077B, cancelled Oct 19, 2004](https://openairdocs.org/deregistered/N7077B-2004-10-19.md).

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

- [SDR HEEA080696](https://openairdocs.org/sdr/HEEA080696.md): Computer · failed · Jul 30, 2002 · N7077B · Bell 206L4 · Central Computers
  > INTELLASTART PROCESSOR INTERNAL BATTERY VOLTAGE.
- [SDR HEEA077732](https://openairdocs.org/sdr/HEEA077732.md): Freewheel Unit · leaking · Jan 25, 2002 · N7077B · Bell 206L4 · Engine/Transmission Coupling
  > FREEWHEEL UNIT IS LEAKING.
- [SDR HEEA073701](https://openairdocs.org/sdr/HEEA073701.md): Radio · low · Jun 19, 2001 · N7077B · Bell 206L4 · Audio Integrating System
  > VOLUME TOO LOW AND WOULD NOT ADJUST. SENDING TO VENDOR FOR REPAIR.
- [SDR HEEA072617](https://openairdocs.org/sdr/HEEA072617.md): Transceiver · weak · Apr 17, 2001 · N7077B · Bell 206L4 · Visual Omnirange (VOR) System
  > WEAK RECEIVE. PERFORMED PRELIMINARY INSPECTION. FOUND MODULATION LOW AND WILL NOT ADJUST. REPLACED Q313, Q312 AND R505. ALSO FOUND NAV RECEIVER WEAK. TROUBLESHOT AND FOUND SEVERAL COIL AND INDUCTORS FROZEN. REPLACED L202, L206, L300, L301, L303 AND L304.
- [SDR HEEA060918](https://openairdocs.org/sdr/HEEA060918.md): Oil Cooler · clogged · Feb 23, 1999 · N7077B · Bell 206L4 · Engine Oil Cooler
  > OIL COOLER HAS HIGH OIL TEMPERATURE AND CORE IS CLOGGED.
- [SDR HEEA060830](https://openairdocs.org/sdr/HEEA060830.md): Exhaust Stack · cracked · Feb 22, 1999 · N7077B · Bell 206L4 · Engine Collector/Tailpipe/Nozzle
  > EXHAUST ASSEMBLY CRACKED.
- [SDR HEEA060661](https://openairdocs.org/sdr/HEEA060661.md): Carbon Seal · leaking · Feb 16, 1999 · N7077B · Bell 206L4 · Engine/Transmission Coupling
  > SEAL LEAKING. REPLACED WITH SERVICEABLE SEAL.
- [SDR HEEA060150](https://openairdocs.org/sdr/HEEA060150.md): Transponder · erratic · Jan 22, 1999 · N7077B · Bell 206L4 · ATC Transponder System
  > TRANSPONDER REPORTED INOPERATIVE. PERFORMED PRELIMINARY INSPECTION AND FOUND SENSITIVITY WEAK AND ERRATIC. UNABLE TO ADJUST.
- [SDR HEEA0016120](https://openairdocs.org/sdr/HEEA0016120.md): Support · bent · Oct 6, 1998 · N7077B · Bell 206L4 · Turbine Section
  > RECEIVING INSPECTION REVEALED: BEND BEYOND SERVICEABLE LIMITS ON G.P. SUPPORT PRESSURE OIL STRUT. PART OVERHAULED W/O 16671.
- [SDR HEEA0014873](https://openairdocs.org/sdr/HEEA0014873.md): Center Case · corroded · Jun 22, 1998 · N7077B · Bell 206L4 · Main Rotor Gearbox
  > MAIN ROTOR GEARBOX HAS CORROSION IN BOLT HOLES.
- [SDR HEEA0014754](https://openairdocs.org/sdr/HEEA0014754.md): Input Line · worn · Jun 11, 1998 · N7077B · Bell 206L4 · Main Rotor Gearbox
  > GEARBOX INPUT LINE IS WORN.
- [SDR HEEA0013115](https://openairdocs.org/sdr/HEEA0013115.md): Input Shaft · worn · Mar 3, 1998 · N7077B · Bell 206L4 · Engine/Transmission Coupling
  > INPUT SHAFT SPLINES WORN BEYOND LIMITS. REPLACED WITH SERVICEABLE PART.
- [SDR HEEA0013114](https://openairdocs.org/sdr/HEEA0013114.md): Bearing · failed · Mar 3, 1998 · N7077B · Bell 206L4 · Engine/Transmission Coupling
  > BEARING BREAKING DOWN ON ROLLER. REPLACED WITH SERVICEABLE PART.
- [SDR HEEA0013113](https://openairdocs.org/sdr/HEEA0013113.md): Bearing · grooved · Mar 3, 1998 · N7077B · Bell 206L4 · Engine/Transmission Coupling
  > BEARING HAS GROOVES ON ROLLERS. REPLACED WITH SERVICEABLE PART.
- [SDR HEEA0012672](https://openairdocs.org/sdr/HEEA0012672.md): Actuator · failed · Jan 26, 1998 · N7077B · Bell 206L4 · Main Rotor Control
  > ACTUATOR ARM EXTENDS AND THEN RETRACTS WHEN KEPT UP.
- [SDR HEEA0010783](https://openairdocs.org/sdr/HEEA0010783.md): Indicator · malfunction · Aug 20, 1997 · N7077B · Bell 206L4 · Attitude Gyro and Indicating System
  > FLAG WILL NOT PULL. SENT TO B.F. GOODRICH AEROSPACE FOR INSPECTION AND REPAIR.
- [SDR HEEA0010574](https://openairdocs.org/sdr/HEEA0010574.md): Indicator · erratic · Aug 6, 1997 · N7077B · Bell 206L4 · Engine RPM Indicating System
  > TURBINE NEEDLE ERRATIC BELOW 50% RPM.
- [SDR HEEA0010232](https://openairdocs.org/sdr/HEEA0010232.md): Indicator · faulty · Jun 25, 1997 · N7077B · Bell 206L4 · Engine EGT/TIT Indicating System
  > AFTER UNIT WARMS UP, INDICATES HIGH OUT OF TOLERANCE THROUGHOUT SCALE. STARTS READING HIGH AT 400. 20 HIGH AT 826.
- [SDR HEEA0010197](https://openairdocs.org/sdr/HEEA0010197.md): Indicator · defective · Jun 23, 1997 · N7077B · Bell 206L4 · Attitude Gyro and Indicating System
  > ATTITUDE IND. SLOW TO ERECT.
- [SDR HEEA0010175](https://openairdocs.org/sdr/HEEA0010175.md): Servo · leaking · Jun 19, 1997 · N7077B · Bell 206L4 · Rotorcraft Servo System
  > SERVO LEAKING.
- [SDR HEEA0010089](https://openairdocs.org/sdr/HEEA0010089.md): Skynav 5000 · malfunction · Jun 11, 1997 · N7077B · Bell 206L4 · Global Positioning System
  > GPS LOSING WAYPOINT.
- [SDR HAIHEEA9999](https://openairdocs.org/sdr/HAIHEEA9999.md): Bearing · cracked · May 30, 1997 · N7077B · Bell 206L4 · Tail Rotor Head
  > TWO EACH INBOARD BEARINGS CRACKED. 2 EACH OUTBOARD BEARINGS GALLED ON BOTH BLADES P/N 206-016-201-131 (T.T. 471:50) ALONG WITH 4 EACH SLEEVES P/N 206-010-733-003.
- [SDR HEEA968053](https://openairdocs.org/sdr/HEEA968053.md): Indicator · stuck · Oct 3, 1996 · N7077B · Bell 206L4 · Engine EGT/TIT Indicating System
  > NEEDLE STUCK ON ZERO AND WOULD NOT INDICATE. TIME SINCE REPAIR 138:20.
- [SDR HEEA967797](https://openairdocs.org/sdr/HEEA967797.md): Bulkhead Assy · cracked · Sep 9, 1996 · N7077B · Bell 206L4 · Fuselage Main, Bulkhead
  > FORWARD BULKHEAD ASSY CRACKED AT 3 EACH ATTACHMENT SHIM LOCATIONS. FOUND CRACKS DURING COMPLIANCE OF T.B. 206L-94-169. ALSO FOUND SEVERAL LOOSE RIVETS ATTACHING TAIL ROTOR GEARBOX SUPPORT FITTING TO AFT END OF TAILBOOM ASSY AND SEVERAL LOOSE(WORKING) RIVETS
- [SDR HEEA967450](https://openairdocs.org/sdr/HEEA967450.md): Link Assy · worn rubber · Jun 21, 1996 · N7077B · Bell 206L · Main Rotor Transmission Mount
  > WORN RUBBER.
- [SDR HEEA967345](https://openairdocs.org/sdr/HEEA967345.md): Torquemeter · erratic · Jun 5, 1996 · N7077B · Bell 206L · Engine BMEP/Torque Indicating
  > ERRATIC AND RATCHETY MOVEMENT. TIME SINCE REPAIR:25.
- [SDR HEEA966833](https://openairdocs.org/sdr/HEEA966833.md): Bearing · cracked · Mar 4, 1996 · N7077B · Bell 206L · Tail Rotor Blades
  > BEARINGS CRACKED. ALSO REPLACED 4 EACH SLEEVES, P/N 206-010-733-003 AND 8 EACH SPACERS, P/N 206-011-742-101. NOTE: SEE MMIR'S # 6826 THROUGH #6835 FOR ADDITIONAL BEARING REPLACEMENTS.
- [SDR HEEA966384](https://openairdocs.org/sdr/HEEA966384.md): Restraint · bearing worn · Jan 9, 1996 · N7077B · Bell 206L · Main Rotor Transmission Mount
  > TRANSMISSION RESTRAINT BEARINGS WORN.
- [SDR HEEA956009](https://openairdocs.org/sdr/HEEA956009.md): Stiffner · cracked · Nov 8, 1995 · N7077B · Bell 206L · Fuselage Miscellaneous Structure
  > STIFFENER IS CRACKED. (STIFFNER CRACKED UPPER SECTION) REPLACED WITH SERVICEABLE STIFFNER.
- [SDR HEEA956007](https://openairdocs.org/sdr/HEEA956007.md): Frame · cracked · Nov 8, 1995 · N7077B · Bell 206L · Fuselage Main, Frame
  > PART IS CRACKED. (FRAME CRACKED AT R/H UPPER ATTACHMENT FITTING.) REPLACED WITH SERVICEABLE FRAME.
- [SDR HEEA955986](https://openairdocs.org/sdr/HEEA955986.md): Transceiver · failed · Nov 8, 1995 · N7077B · Bell 206L · ATC Transponder System
  > ATC REPORTS NO SIGNAL FROM UNIT. UNIT HAS VERY WEAK POWER OUT. REPLACED CAVITY TUBE V101. REPAIRED. ADJUSTED FREQUENCY AND PULSE WIDTH. CLEANED CONTACTS ON ALL WAFERS. BENCH CHECK GOOD.
- [SDR HEEA955812](https://openairdocs.org/sdr/HEEA955812.md): Shaft Spline · worn · Sep 22, 1995 · N7077B · Bell 206L · Main Rotor Gearbox
  > AT TRANSMISSION 1500 HOUR INSPECTION FOUND SHAFT SPLINES WORN BEYOND LIMITS. REPLACED WITH NEW SHAFT.
- [SDR HEEA955450](https://openairdocs.org/sdr/HEEA955450.md): Nut · stripped · Jul 24, 1995 · N7077B · Bell 206L · Engine/Transmission Coupling
  > STRIPPED SPLINE TEETH WHERE TOOL ENGAGES. REPLACED WITH SERVICEABLE NUT.
- [SDR HEEA955352](https://openairdocs.org/sdr/HEEA955352.md): Spacer · defective · Jul 11, 1995 · N7077B · Bell 206L · Tail Rotor Gearbox
  > SEAL LEAKING. REPLACED WITH NEW SPACER AND RETURNED TO SERVICE.
- [SDR HEEA954864](https://openairdocs.org/sdr/HEEA954864.md): Indicator · defective · Apr 24, 1995 · N7077B · Bell 206L · Engine EGT/TIT Indicating System
  > TAKES TOO LONG FOR OVER TEMP. LIGHT TO COME ON.
- [SDR HEEA954171](https://openairdocs.org/sdr/HEEA954171.md): Washer · deteriorated · Jan 20, 1995 · N7077B · Bell 206L · Main Rotor Head
  > EXCESSIVE LOAD ON PLUGS CAUSING MATERIAL TO BE DETERIORATED. SCRAPPED LOCALLY. APPLIED LOWER TORQUE ON ADJUSTING SCREWS AND LOWER PRELOAD ON THRUST PLUGS.

## 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 = 'N7077B' AND deregistration_id = 'N7077B-2004-10-19'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N7077B-2004-10-19/reports

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