# Service difficulty reports: N687AL, cancelled Sep 25, 2020

A list on [N687AL, cancelled Sep 25, 2020](https://openairdocs.org/deregistered/N687AL-2020-09-25.md).

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

- [SDR ALGA2012071801](https://openairdocs.org/sdr/ALGA2012071801.md): Shaft · damaged · Jul 18, 2012 · N687AL · Bell 407 · Tail Rotor Drive Shaft
  > UPON COMPLIANCE WITH A 3000 HR INSPECTION, FOUND SHAFT DAMAGED BEYOND REPAIR.
- [SDR ALGA2012061412](https://openairdocs.org/sdr/ALGA2012061412.md): Step · corroded · Jun 14, 2012 · N687AL · Bell 407 · Main Landing Gear
  > FLOAT STEP, CORROSION BEYOND REPAIRABLE LIMITS.
- [SDR ALGA2012061411](https://openairdocs.org/sdr/ALGA2012061411.md): Step · corroded · Jun 14, 2012 · N687AL · Bell 407 · Main Landing Gear
  > FLOAT STEP, CORROSION BEYOND REPAIRABLE LIMITS.
- [SDR ALGA2012061201](https://openairdocs.org/sdr/ALGA2012061201.md): Rotor · damaged · Jun 12, 2012 · N687AL · Bell 407 · Tail Rotor System
  > ONE TRUNNION, PN 407-312-100-101, SN LKFS3425, HAS ELASTOMERIC EXTRUSION, FOUR WORN BEARINGS, PN 406-312-100-101 AND TWO PITCH HORNS PN 406-012-108-107, PITTING. CORROSION BEYOND LIMITS.
- [SDR ALGA2012052214](https://openairdocs.org/sdr/ALGA2012052214.md): Panel · corroded · May 22, 2012 · N687AL · Bell 407 · Fuselage Miscellaneous Structure
  > PANEL CORRODED BEYOND LIMITS.
- [SDR ALGA2012052213](https://openairdocs.org/sdr/ALGA2012052213.md): Channel · corroded · May 22, 2012 · N687AL · Bell 407 · Fuselage Miscellaneous Structure
  > CHANNEL CORRODED BEYOND LIMITS.
- [SDR ALGA2012052212](https://openairdocs.org/sdr/ALGA2012052212.md): Frame · cracked · May 22, 2012 · N687AL · Bell 407 · Fuselage Main, Frame
  > FRAME CRACKED BEYOND REPAIRABLE LIMITS.
- [SDR ALGA2012052211](https://openairdocs.org/sdr/ALGA2012052211.md): Skin · corroded · May 22, 2012 · N687AL · Bell 407 · Fuselage Main, Plate/Skin
  > SKIN CORRODED BEYOND LIMITS.
- [SDR ALGA2012052210](https://openairdocs.org/sdr/ALGA2012052210.md): Shelf · corroded · May 22, 2012 · N687AL · Bell 407 · Fuselage Miscellaneous Structure
  > SHELF CORRODED BEYOND LIMITS.
- [SDR ALGA2012052209](https://openairdocs.org/sdr/ALGA2012052209.md): Support · corroded · May 22, 2012 · N687AL · Bell 407 · Fuselage Miscellaneous Structure
  > SUPPORT CORRODED BEYOND LIMITS.
- [SDR ALGA2012052208](https://openairdocs.org/sdr/ALGA2012052208.md): Angle · corroded · May 22, 2012 · N687AL · Bell 407 · Fuselage Miscellaneous Structure
  > ANGLE CORRODED BEYOND LIMITS.
- [SDR ALGA2012052207](https://openairdocs.org/sdr/ALGA2012052207.md): Skin · corroded · May 22, 2012 · N687AL · Bell 407 · Fuselage Main, Plate/Skin
  > SKIN CORRODED BEYOND LIMITS.
- [SDR ALGA2012052206](https://openairdocs.org/sdr/ALGA2012052206.md): Angle · corroded · May 22, 2012 · N687AL · Bell 407 · Fuselage Miscellaneous Structure
  > ANGLE CORRODED BEYOND LIMITS.
- [SDR ALGA2012052205](https://openairdocs.org/sdr/ALGA2012052205.md): Angle · corroded · May 22, 2012 · N687AL · Bell 407 · Fuselage Miscellaneous Structure
  > ANGLE CORRODED BEYOND LIMITS.
- [SDR ALGA2012012500022](https://openairdocs.org/sdr/ALGA2012012500022.md): Skin · corroded · Jan 20, 2012 · N687AL · Bell 407 · Fuselage Main, Plate/Skin
  > CORROSION FOUND ON BELLY SKIN DURING CORROSION INSPECTION. AREA FOUND TO BE OUT OF LIMITS.
- [SDR ALGAR919115682](https://openairdocs.org/sdr/ALGAR919115682.md): Crosstube · corroded · Sep 19, 2011 · N687AL · Bell 407 · Main Landing Gear Strut/Axle/Truck
  > CROSS TUBE CORRDED BEYOND LIMITS IAW AA00061 PAGE 19, FIG 2, TABLE 8.
- [SDR ALGA070711687AL](https://openairdocs.org/sdr/ALGA070711687AL.md): Mount · corroded · Jul 7, 2011 · N687AL · Bell 407 · Main Rotor Transmission Mount
  > TRANSMISSION DECK, TRANSMISSION PYLON MOUNT POINT CORRISION, RT FWD
- [SDR ALGA070611687AL](https://openairdocs.org/sdr/ALGA070611687AL.md): Mount · corroded · Jul 6, 2011 · N687AL · Bell 407 · Main Rotor Transmission Mount
  > TRANSMISSION DECK. TRANSMISSION PYLON MOUNT POINT CORRODED.
- [SDR ALGA100000](https://openairdocs.org/sdr/ALGA100000.md): Pitch Link · worn · Mar 21, 2005 · N687AL · Bell 407 · Main Rotor Control
  > BINDING; AXIAL PLAY BEYOND LIMITS; ROUGH / REPLACED WITH NEW PART BY FIELD MAINT.
- [SDR ALGA099285](https://openairdocs.org/sdr/ALGA099285.md): Bearing · rough · Feb 4, 2005 · N687AL · Bell 407 · Main Rotor System
  > ROUGH, BINDING AND AXIAL PLAY, REPLACED W/NEW.
- [SDR ALGA099284](https://openairdocs.org/sdr/ALGA099284.md): Bearing · rough · Feb 4, 2005 · N687AL · Bell 407 · Main Rotor System
  > ROUGH, BINDING AND AXIAL PLAY, REPLACED W/NEW.
- [SDR ALGA099280](https://openairdocs.org/sdr/ALGA099280.md): Bearing · rough · Feb 4, 2005 · N687AL · Bell 407 · Main Rotor System
  > ROUGH, BINDING AND AXIAL PLAY, REPLACED W/NEW.
- [SDR ALGA099278](https://openairdocs.org/sdr/ALGA099278.md): Bearing · rough · Feb 4, 2005 · N687AL · Bell 407 · Main Rotor System
  > ROUGH, BINDING AND AXIAL PLAY, REPLACED W/NEW.
- [SDR ALGA087760](https://openairdocs.org/sdr/ALGA087760.md): Bearing · failed · Jun 25, 2003 · N687AL · Bell 407 · Tail Rotor Gearbox
  > TAIL ROTOR TRANSMISSION REMOVED FOR METAL IN OIL, FOUND BEARING BREAKING DOWN. SUBMITTED BY: PRESTON BARZARE
- [SDR ALG2003F00066](https://openairdocs.org/sdr/ALG2003F00066.md): Hmu · leaking · Jun 20, 2003 · N687AL · Bell 407 · Fuel Controlling System
  > DURING REFUELING. AFTER A/C WAS REFUELED OFFSHORE AT WC-560. THE MECHANIC NOTICED A STEADY FLOW OF FUEL FROM THE OVERFLOW DRAIN LINE. HE INSPECTED THE LEAK AND FOUND THE HMU LEAKING. HE REMOVED AND REPLACED THE HMU AND COMPLIED WITH A LEAK CHECK AND AIRCRA
- [SDR ALGA079856](https://openairdocs.org/sdr/ALGA079856.md): Shaft · loose · Jun 10, 2002 · N687AL · Bell 407 · Turbine Engine Reduction Gear
  > FOUND T/M GEAR, BEARING JOURNAL SHAFT AND SUPPORT LOOSE IN COVER ASSEMBLY. FOUND ALL 4 STUDS ON JOURNAL SUPPORT PULLED OUT AND 1 EACH WITH NO THREADS LEFT IN WORN BORE. THIS ALLOWED GEAR TO WEAR IN AN UNUSUAL MANNER, WHICH COULD HAVE RESULTED IN A CATASTROPH
- [SDR ALGA079855](https://openairdocs.org/sdr/ALGA079855.md): Gearshaft · galled · Jun 10, 2002 · N687AL · Bell 407 · Turbine Engine Reduction Gear
  > DUE TO T/M JOURNAL SUPPORT STUDS BACKING OUT OF COVER AN UNUSUAL WEAR PATTERN OF SPALLING AND GALLING OCCURRED ON GEAR TEETH.
- [SDR ALG2002F00044](https://openairdocs.org/sdr/ALG2002F00044.md): Cover · worn · May 12, 2002 · N687AL · Bell 407 · Turbine Engine Reduction Gear
  > ENGINE HAD CHIP LIGHTS. UPON DISASSEMBLY OF GEARBOX FOUND T/M JOURNAL SUPPORT STUDS BACKED OUT OF COVER. FOUND T/M GEAR, BEARING JOURNAL SHAFT AND SUPPORT LOOSE IN COVER ASSEMBLY. FOUND ALL 4 STUDS ON JOURNAL SUPPORT PULLED OUT AND 1 EACH WITH NO THREADS LE
- [SDR ALG2002F00043](https://openairdocs.org/sdr/ALG2002F00043.md): Gear · galled · May 12, 2002 · N687AL · Bell 407 · Turbine Engine Reduction Gear
  > ENGINE WAS REMOVED DUE TO CHIP LIGHTS. UPON VISUAL INSPECTION FOUND CAUSE OF METAL DUE TO GALLING T/M AND PTO GEARS. DUE TO T/M JOURNAL SUPPORT STUDS BACKING OUT OF COVER AN UNUSUAL WEAR PATTERN OF SPALLING AND GALLING OCCURRED ON GEAR TEETH. THIS COULD HAV
- [SDR ALG2002F00033](https://openairdocs.org/sdr/ALG2002F00033.md): Shaft · worn · Mar 2, 2002 · N687AL · Bell 407 · Tail Rotor Gearbox
  > DURING REPAIR FOR LEAKING OUTPUT SEAL, FOUND SPLINES ON OUTPUT SHAFT WORN BELOW LIMITS, READING 1.3025, MIN 1.3035 (SHAFT SPLINES SOFTER METAL THAN TRUNNION SPLINES.)
- [SDR ALG2002F00002](https://openairdocs.org/sdr/ALG2002F00002.md): Pitch Horn · corroded · Oct 23, 2001 · N687AL · Bell 407 · Tail Rotor Head
  > AFTER DISASSEMBLY, CLEANING AND STRIPPING PAINT FOR OVERHAUL. CORROSION ON ENTIRE SURFACE BEYOND LIMITS DUE TO POOR METAL QUALITY AND POOR PRIME AND PAINT. BETTER QUALITY ALUMINUM AND PAINTING PROCEDURES RECOMMENDED.
- [SDR 2001F00578](https://openairdocs.org/sdr/2001F00578.md): Blade · missing · Aug 10, 2001 · N687AL · Bell 407 · Turbine Section
  > TURBINE RECEIVED FROM FIELD FOR HOWLING NOISE. REMOVED COMBUSTION SECTION AND FOUND SULFADATION ON 1ST STAGE WHEEL. WHEEL HAS MISSING AND BROKEN BLADES DUE TO SULPHADATION. (M)
- [SDR 2001F00574](https://openairdocs.org/sdr/2001F00574.md): Turbine Wheel · corroded · Aug 10, 2001 · N687AL · Bell 407 · Turbine Section
  > TURBINE RECEIVED FROM FIELD FOR HOWLING NOISE. REMOVED COMBUSTION SECTION AND FOUND SULFADATION ON 1ST STAGE WHEEL. THIS TURBINE HAD A ROLLS ROYCE COMBUSTION LINER. WHEEL HAS MISSING AND BROKEN BLADES DUE TO SULFADATION. (M)
- [SDR 20001206SH008](https://openairdocs.org/sdr/20001206SH008.md): Drive Shaft · failed · Oct 29, 2000 · N687AL · Bell 407 · Tail Rotor Drive Shaft
  > IN-FLIGHT, PILOT HEARD A LOUD POP. LANDED AT THE NEAREST PLATFORM AND AFTER SHUT DOWN, FOUND FORWARD FLEXURE ON INPUT DRIVESHAFT HAD FAILED. ONE OF THE FORWARD FLEXURES FAILED AT THE BOLT HOLE AND A PORTION OF THE FLEXURE WENT THROUGH THE TRANSMISSION DECK/C
- [SDR 20000912SH012](https://openairdocs.org/sdr/20000912SH012.md): Disc Pack · cracked · Aug 2, 2000 · N687AL · Bell 407 · Tail Rotor Drive Shaft
  > DURING 25-HOUR AD INSPECTION, FOUND AFT SEGMENT CRACKED ACROSS THE SPAN. (X)
- [SDR 20000912SH011](https://openairdocs.org/sdr/20000912SH011.md): Disc Pack · cracked · Jul 20, 2000 · N687AL · Bell 407 · Tail Rotor Drive Shaft
  > DURING 25-HOUR AD INSPECTION, FOUND AFT SEGMENT CRACKED IN 3 PLACES ACROSS THE SPAN. (X)
- [SDR 20000807SH019](https://openairdocs.org/sdr/20000807SH019.md): Bearing · cracked · Jun 28, 2000 · N687AL · Bell 407 · Tail Rotor Drive Shaft
  > DURING REPAIR/REPLACEMENT OF CRACKED HOUSING, BEARINGS ROUGH. (X)
- [SDR 20000807SH018](https://openairdocs.org/sdr/20000807SH018.md): Bearing · cracked · Jun 28, 2000 · N687AL · Bell 407 · Tail Rotor Drive Shaft
  > DURING REPAIR/REPLACEMENT OF CRACKED HOUSING, BEARINGS ROUGH. (X)
- [SDR 20001026SH001](https://openairdocs.org/sdr/20001026SH001.md): Gear · broken · Jun 2, 2000 · N687AL · Bell 407 · Main Rotor Gearbox
  > CHIP LIGHT WAS DETECTED ON AIRCRAFT. CHIP DETECTORS WERE PULLED AND INSPECTED. LARGE PIECE OF GEAR TOOTH WAS FOUND ON PLUG. LARGE PIECE OF GEAR TOOTH BROKE OFF DURING FLIGHT. CAUSE FOR BROKEN GEAR TOOTH WAS DUE TO EXCESSIVE GALLING EXTENDING UP TO FORWARD
- [SDR 20000518SH006](https://openairdocs.org/sdr/20000518SH006.md): Bearing · leaking · Apr 26, 2000 · N687AL · Bell 407 · Tail Rotor Drive Shaft
  > DURING RECURRING 25-HOUR INSPECTION AND BEARING LUBRICATION (PER ASB 407-00-35/AD 2000-02-12), ACCUMULATED GREASE EXPELLED FROM AROUND THE SEAL IS BLACK DETERMINING BEARING IS DAMAGED. (X)
- [SDR 20000518SH005](https://openairdocs.org/sdr/20000518SH005.md): Bearing · leaking · Apr 26, 2000 · N687AL · Bell 407 · Tail Rotor Drive Shaft
  > DURING RECURRING 25-HOUR INSPECTION AND BEARING LUBRICATION (PER ASB 407-00-35/AD 2000-02-12), DURING LUBRICATION, ACCUMULATED GREASE EXPELLED FROM AROUND THE SEAL IS BLACK DETERMINING BEARING IS DAMAGED. (X)
- [SDR 20000518SH004](https://openairdocs.org/sdr/20000518SH004.md): Bearing · damaged · Apr 26, 2000 · N687AL · Bell 407 · Tail Rotor Drive Shaft
  > DURING RECURRING 25-HOUR INSPECTION AND BEARING LUBRICATION (PER ASB 407-00-35/AD 2000-02-01), DURING LUBRICATION, ACCUMULATED GREASE EXPELLED FROM AROUND THE SEAL IS BLACK DETERMINING BEARING IS DAMAGED. (X)
- [SDR 20000518SH003](https://openairdocs.org/sdr/20000518SH003.md): Bearing · damaged · Apr 26, 2000 · N687AL · Bell 407 · Tail Rotor Drive Shaft
  > DURING RECURRING 25-HOUR INSPECTION AND BEARING LUBRICATION (PER ASB 407-00-35/AD 2000-02-12), ACCUMULATED GREASE EXPELLED FROM AROUND THE SEAL IS BLACK DETERMINING BEARING IS DAMAGED. (X)
- [SDR 20000719SH004](https://openairdocs.org/sdr/20000719SH004.md): Bearing · damaged · Apr 16, 2000 · N687AL · Bell 407 · Tail Rotor Drive Shaft
  > RECURRING 25-HOUR INSPECTION AND BEARING LUBRICATION (PER ASB 407-00-35 AND AD 2000-02-01), FOUND ACCUMULATED GREASE EXPELLED FROM AROUND THE SEAL IS BLACK DETERMINING BEARING IS DAMAGED. (X)
- [SDR 2000ZZZX6](https://openairdocs.org/sdr/2000ZZZX6.md): Housing · cracked · Nov 2, 1999 · N687AL · Bell 407 · Rotorcraft Cooling Fan System
  > DURING DAILY INSPECTION, FOUND CRACKED BLOWER HOUSING.

## 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 = 'N687AL' AND deregistration_id = 'N687AL-2020-09-25'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N687AL-2020-09-25/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, except the copies of manufacturers’ service documents, which belong to their rights holders.