# Service difficulty reports: N417AL, cancelled Aug 5, 2010

A list on [N417AL, cancelled Aug 5, 2010](https://openairdocs.org/deregistered/N417AL-2010-08-05.md).

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

- [SDR 2005F00047](https://openairdocs.org/sdr/2005F00047.md): Sensor · dirty · Jan 27, 2005 · N417AL · Bell 407 · Rotor Drive Indicating System
  > DURING TAKEOFF, THE RPM LIGHT AND HORN CAME ON. MAINTENANCE CLEANED THE NR SENSOR CONNECTOR AND GROUND OPS CHECKED GOOD, ALSO COMPLIED WITH OPS CHECK FLIGHT AND FLIGHT CHECK WAS GOOD. (M)
- [SDR ALGA096401](https://openairdocs.org/sdr/ALGA096401.md): Gear · spalled · Jul 20, 2004 · N417AL · Bell 407 · Accessory Gearboxes
  > FOUND SPALLED GEAR TEETH ON GEAR. REPLACED W/NEW PART.
- [SDR ALGA096400](https://openairdocs.org/sdr/ALGA096400.md): Gear · spalled · Jul 20, 2004 · N417AL · Bell 407 · Main Rotor Gearbox
  > FOUND SPALLED GEAR TEETH ON GEAR. REPLACED W/NEW PART.
- [SDR ALGA086493](https://openairdocs.org/sdr/ALGA086493.md): Universal · worn · May 23, 2003 · N417AL · Bell 407 · Main Rotor Head
  > BEARING WORN AND RATCHETY.
- [SDR ALG2002F00000](https://openairdocs.org/sdr/ALG2002F00000.md): Bevel Gear · making metal · Nov 26, 2001 · N417AL · Bell 407 · Main Rotor Gearbox
  > TRANSMISSION MAKING METAL. BEVEL GEAR CRACKED FROM BOLT HOLE.
- [SDR 20010420CW014](https://openairdocs.org/sdr/20010420CW014.md): Bearing · damaged · Mar 23, 2001 · N417AL · Bell 407 · Tail Rotor Drive Shaft
  > ON THE 2ND SHUT DOWN OF THE DAY, LOUD NOISES AND EXCESSIVE VIBRATION WERE NOTED. FORWARD BEARING ON THE NR 2 TAILROTOR DRIVESHAFT, (OIL COOLER BLOWER) HAD AN UNCONTAINED FAILURE. BLOWER DECK AND SUPPORTING STRUCTURE CRACKED AFT ENGINE FIREWALL AND IMPELLER H
- [SDR 20001113SH010](https://openairdocs.org/sdr/20001113SH010.md): Pinion Gear · making metal · Aug 19, 2000 · N417AL · Bell 407 · Turbine Engine Reduction Gear
  > DISASSEMBLED GEARBOX DUE TO METAL IN OIL. CLEANED AND INSPECTED, FOUND EXCESSIVE GALLING ON PINION GEAR AND TORQUEMETER GEAR TEETH. PINION GEAR HAD EXCESSIVE GALLING ON GEAR TEETH DUE TO IMPROPER MESHING OF T/M AND PINION GEARS. SECONDARY DAMAGE: T/M GEAR
- [SDR 20001024SH002](https://openairdocs.org/sdr/20001024SH002.md): Disc Pack · cracked · Aug 16, 2000 · N417AL · Bell 407 · Tail Rotor Drive Shaft
  > DURING 25-HOUR AD INSPECTION, FOUND FORWARD SEGMENT CRACKED ACROSS ONE SPAN. (X)
- [SDR 20000804SH018](https://openairdocs.org/sdr/20000804SH018.md): Disc Pack · cracked · Jul 15, 2000 · N417AL · Bell 407 · Tail Rotor Drive Shaft
  > DURING 25-HOUR AD INSPECTION, AFT SEGMENT CRACKED ACROSS THE SPAN. (X)
- [SDR 20000804SH019](https://openairdocs.org/sdr/20000804SH019.md): Duct · cracked · May 31, 2000 · N417AL · Bell 407 · Rotorcraft Cooling Fan System
  > UPON DAILY INSPECTION, CRACKS IN CORNERS CAUSED BY IHERENT VIBRATIONS. (X)
- [SDR 20000502SH007](https://openairdocs.org/sdr/20000502SH007.md): Gear · damaged · Dec 13, 1999 · N417AL · Bell 407 · Turbine Engine Reduction Gear
  > DISASSEMBLED, CLEANED, AND INSPECTED. FOUND SPALLING AND GALLING ON GEAR TEETH. TM GEAR HAS EXCESSIVE SPALLING AND GALLING ON GEAR TEETH POSSIBLY DUE TO IMPROPER MESHING OF TM AND PINION GEARS. SECONDARY DAMAGE. PINION GEAR, PN 6893672, SN 77723, TT 1,196.5
- [SDR 99ZZZX4565](https://openairdocs.org/sdr/99ZZZX4565.md): Bearing · worn · Oct 9, 1999 · N417AL · Bell 407 · Tail Rotor Control System
  > ON DAILY INSPECTION, FOUND OUTER RACE OF PITCH CHANGE LINK SPHERICAL BEARING WORN THROUGH BY BALL ALLOWING LINK TO CONTACT PITCH HORN CAUSING DAMAGE TO BOTH REQUIRING SCRAPPING.
- [SDR 98ZZZX3092](https://openairdocs.org/sdr/98ZZZX3092.md): Disc Pack · cracked · Jul 21, 1998 · N417AL · Bell 407 · Tail Rotor Drive Shaft
  > 25 HOUR AD 97-234-17 PTS A, B, AND E. BOTH DISC PACKS HAD NR 1 DISC CRACKED. NR 1 DISC PER DISC PACK CRACKED, NR 4 AND N4 7 T/R DRIVE SHAFT.
- [SDR 98ZZZX3352](https://openairdocs.org/sdr/98ZZZX3352.md): Disc · cracked · Jul 2, 1998 · N417AL · Bell 407 · Tail Rotor Drive Shaft
  > SCHEUDLED INSPECTION FOUND DISC PACK CRACKED.
- [SDR 98ZZZX3346](https://openairdocs.org/sdr/98ZZZX3346.md): Blade · delaminated · Jun 22, 1998 · N417AL · Bell 407 · Main Rotor Blades
  > FIFTY HOUR INSPECTION FOUND M/R BLADE POTTING COMPOUND DELAMINATED AT OUTBOARD WEIGHT POCKET.
- [SDR 98ZZZX3345](https://openairdocs.org/sdr/98ZZZX3345.md): Blade · delamination · Jun 22, 1998 · N417AL · Bell 407 · Main Rotor Blades
  > FIFTY HOUR INPSECTION FOUND M/R BLADE PTTING COMPOUND DELAMINATION AT OUTBOARD WEIGHT POCKET.
- [SDR 98ZZZX3344](https://openairdocs.org/sdr/98ZZZX3344.md): Blade · delaminated · Jun 22, 1998 · N417AL · Bell 407 · Main Rotor Blades
  > FIFTY HOUR PHASE INSPECTION FOUND M/R BLADE POTTING COMPOUND DELAMINATING AT OUTBOARD WEIGHT POCKET.
- [SDR 98ZZZX3343](https://openairdocs.org/sdr/98ZZZX3343.md): Blade · delaminated · Jun 22, 1998 · N417AL · Bell 407 · Main Rotor Blades
  > FIFTY HOUR INSPECTION FOUND M/R BLADE POTTING COMPOUND DELAMINATION AT OUTBOARD WEIGHT POCKET.
- [SDR 98ZZZX3087](https://openairdocs.org/sdr/98ZZZX3087.md): Support · cracked · May 30, 1998 · N417AL · Bell 407 · Horizontal Stabilizer Structure
  > AFTER BEING NOTIFIED THAT ONE OTHER AIRCRAFT IN FLEET HAD LOST ITS SLAT, SUBMITTER C/W VISUAL INSPECTION AND FOUND THE HORIZONTAL STABILIZER SLAT SUPPORT ON THE RT SIDE CRACKED. TWO EACH. TWO OUTBOARD SLAT SUPPORTS CRACKED IN RADIUS AREA OF SUPPORT TO HORIZO
- [SDR 98ZZZX2530](https://openairdocs.org/sdr/98ZZZX2530.md): Support · cracked · May 30, 1998 · N417AL · Bell 407 · Horizontal Stabilizer Structure
  > AFTER BEING NOTIFIED THAT ONE OTHER AIRCRAFT IN FLEET HAD LOST ITS SLAT, C/W A VISUAL INSPECTION AND FOUND THE HORIZONTAL STABILIZER SLAT SUPPORT ON THE RT SIDE CRACKED. TWO EACH. TWO OUTBOARD SLAT SUPPORTS CRACKED IN RADIUS ARE OF SUPPORT TO HORIZONTAL STAB
- [SDR 98ZZZX1705](https://openairdocs.org/sdr/98ZZZX1705.md): Skin · dented · Apr 22, 1998 · N417AL · Bell 407 · Rotorcraft Tail Boom
  > DURING PRE-FLIGHT INSPECTION, FOUND SHARP DENT IN LT SIDE OF TAILBOOM SKIN APPROXIMATELY 34.8750 INCH FORWARD OF THE AFT END OF THE TAILBOOM CAN AND APPROXIMATELY 2.25 INCH IN LENGTH. THE DENT APPEARS TO HAVE BEEN CAUSED BY A TAIL ROTOR BLADE STRIKING THE TAI
- [SDR 99ZZZX40](https://openairdocs.org/sdr/99ZZZX40.md): Disk Pack · cracked · Mar 30, 1998 · N417AL · Bell 407 · Tail Rotor Drive Shaft
  > DURING C/W 25-HOUR AD 97-24-17, PART A, B, AND E, FOUND ONE LAMINATE ON AFT SIDE OF NR 7 DISK PACK, P/N 406-040-340-101, CRACKED.
- [SDR 98ZZZX263](https://openairdocs.org/sdr/98ZZZX263.md): Blower Housing · cracked · Nov 18, 1997 · N417AL · Bell 407 · Rotorcraft Cooling Fan System
  > BLOWER REMOVED BECAUSE OF ROUGH BEARINGS. HOUSING ALSO CRACKED. SHEET METAL HOUSING CRACKED AT RIVETED EDGE WHERE HOUSING ATTACHES TO 407-062-021-101 OIL COOLER DUCT ASSEMBLY. SUBMITTER SUGGESTED THAT POSSIBLY A POOR FIT PUTTING STRAIN ON SHEET METAL WHEN A
- [SDR 98ZZZX304](https://openairdocs.org/sdr/98ZZZX304.md): Disc Pack · cracked · Nov 9, 1997 · N417AL · Bell 407 · Tail Rotor Drive Shaft
  > C/W OF AD 97-22-15, FOUND T/R DRIVE COUPLING DISC PACK AFT LAMINATE 'ONE' CRACKED BETWEEN NR 6 AND NR 7. SUBMITTER RECOMMENDS FLOATING DRIVESHAFTS SIMILAR TO THE BELL 206 SERIES.
- [SDR 97ZZZX4416](https://openairdocs.org/sdr/97ZZZX4416.md): Coupling Disk · cracked · Oct 1, 1997 · N417AL · Bell 407 · Tail Rotor Drive Shaft
  > DURING DAILY INSPECTION, FOUND NR 7 TAIL ROTOR DRIVESHAFT FORWARD LAMINATE CRACKED.
- [SDR 97ZZZX4903](https://openairdocs.org/sdr/97ZZZX4903.md): Bearing · rough · Sep 30, 1997 · N417AL · Bell 407 · Rotorcraft Cooling Fan System
  > NR 2 SHAFT REMOVED FROM AIRCRAFT DUE TO ROUGH BEARING. FOUND BEARING 406-040-339-105 INSTALLED AT AIRCRAFT HOURS 808.0 HOURS ROUGH. ALSO, SHAFT 406-040-320-101, TT 1410.8 HOURS. FORWARD SPLINES WORN AND CORRODED BEYOND LIMITS.
- [SDR 97ZZZX4902](https://openairdocs.org/sdr/97ZZZX4902.md): Disc Pack · cracked · Sep 30, 1997 · N417AL · Bell 407 · Tail Rotor Drive Shaft
  > DAILY CHECK NOTAM 51A-97 OCCURRED DURING NORMAL FLIGHT, FOUND NR 7 COUPLING CRACKED 2 LAMINATES NR 1 AND NR 2 PACK HAS TEN DISCS.
- [SDR 97ZZZX4419](https://openairdocs.org/sdr/97ZZZX4419.md): Coupling Disk · cracked · Sep 28, 1997 · N417AL · Bell 407 · Tail Rotor Drive Shaft
  > DURING C/W MAINTENANCE NOTAM 51A-97, FOUND 2 EACH LAMINATES CRACKED ON NR 7 TAIL ROTOR DRIVESHAFT COUPLING.
- [SDR 97ZZZX4979](https://openairdocs.org/sdr/97ZZZX4979.md): Disk · cracked · Sep 24, 1997 · N417AL · Bell 407 · Tail Rotor Drive Shaft
  > SCHEDULED INSPECTION FOUND DISK PACK DISK CRACKED. REMOVED AND REPLACED. THREE REPORTS RECEIVED DATED 9-24-97 ON T/R DISK PACK DISK CRACKED.
- [SDR 97ZZZX4978](https://openairdocs.org/sdr/97ZZZX4978.md): Disk · cracked · Sep 24, 1997 · N417AL · Bell 407 · Tail Rotor Drive Shaft
  > SCHEDULED INSPECTION FOUND DISK PACK DISK CRACKED. THREE REPORTS RECEIVED DATED 9-24-97 ON T/R DISK PACK DISK CRACKED.
- [SDR 97ZZZX4418](https://openairdocs.org/sdr/97ZZZX4418.md): Coupling Disk · cracked · Sep 19, 1997 · N417AL · Bell 407 · Tail Rotor Drive Shaft
  > DURING COMPLIANCE OF MAINTENANCE NOTAM NR 51A-97, FOUND NR 7 TAIL ROTOR DRIVESHAFT COUPLING LAMINATE CRACKED (1).
- [SDR 97ZZZX4417](https://openairdocs.org/sdr/97ZZZX4417.md): Coupling Disk · cracked · Sep 18, 1997 · N417AL · Bell 407 · Tail Rotor Drive Shaft
  > DURING 50-HOUR PMI, FOUND NR 3 TAIL ROTOR DRIVESHAFT COUPLING LAMINATE CRACKED (1).
- [SDR 97ZZZX4414](https://openairdocs.org/sdr/97ZZZX4414.md): Coupling Disk · cracked · Sep 12, 1997 · N417AL · Bell 407 · Tail Rotor Drive Shaft
  > DURING 50-HOUR PMI, FOUND NR 6 TAIL ROTOR DRIVESHAFT DISC LAMINATE CRACKED (1).
- [SDR 97ZZZX4415](https://openairdocs.org/sdr/97ZZZX4415.md): Coupling Disk · cracked · Sep 10, 1997 · N417AL · Bell 407 · Tail Rotor Drive Shaft
  > DAILY INSPECTION FOUND NR 7 TAIL ROTOR DRIVESHAFT COUPLING CRACKED (1) LAMINATE.
- [SDR 97ZZZX4420](https://openairdocs.org/sdr/97ZZZX4420.md): Coupling Disk · cracked · Sep 5, 1997 · N417AL · Bell 407 · Tail Rotor Drive Shaft
  > DURING 50-HOUR PMI, FOUND NR 7 TAIL ROTOR DRIVESHAFT COUPLING CRACKED (1) LAMINATE.
- [SDR 97ZZZX4407](https://openairdocs.org/sdr/97ZZZX4407.md): Bearings · worn · Jun 17, 1997 · N417AL · Bell 407 · Tail Rotor Head
  > PRE-FLIGHT CHECK FOUND 2 EACH BEARINGS 406-312-100-101 INNER RACES WORN BEYOND LIMITS. ONE EACH OUTER RACE CRACKED. BEARINGS LOCATION INBOARD ON YOKE.
- [SDR 97ZZZX2765](https://openairdocs.org/sdr/97ZZZX2765.md): Disc Pack · cracked · Mar 27, 1997 · N417AL · Bell 407 · Tail Rotor Drive Shaft
  > DURING 50-HOUR PREVENTIVE MAINTENANCE INSPECTION, FOUND T/R DRIVE SHAFT DISC PACK CRACKED.
- [SDR 97ZZZX2764](https://openairdocs.org/sdr/97ZZZX2764.md): Disc Pack · cracked · Mar 27, 1997 · N417AL · Bell 407 · Tail Rotor Drive Shaft
  > DURING 50-HOUR PREVENTIVE MAINTENANCE INSPECTION, FOUND T/R DRIVE SHAFT DISC PACK CRACKED.
- [SDR 97ZZZX2763](https://openairdocs.org/sdr/97ZZZX2763.md): Disc Pack · cracked · Mar 27, 1997 · N417AL · Bell 407 · Tail Rotor Drive Shaft
  > DURING 50-HOUR PREVENTIVE MAINTENANCE INSPECTION, FOUND T/R DRIVE SHAFT DISC PACK CRACKED.
- [SDR 97ZZZX2766](https://openairdocs.org/sdr/97ZZZX2766.md): Disc Pack · cracked · Mar 4, 1997 · N417AL · Bell 407 · Tail Rotor Drive Shaft
  > DURING 50-HOUR PMI, FOUND FORWARD DISC PACK CRACKED ON NR 7 T/R DRIVESHAFT.
- [SDR 97ZZZX1407](https://openairdocs.org/sdr/97ZZZX1407.md): Coupling · disc cracked · Jan 20, 1997 · N417AL · Bell 407 · Tail Rotor Drive Shaft
  > INSPECTION FOUND TWO OUTER DISCS CRACKED. ONE CRACKED INTO 2 PIECES, ONE CRACKED FROM MIDDLE OF DISC TO INNER EDGE.

## 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 = 'N417AL' AND deregistration_id = 'N417AL-2010-08-05'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N417AL-2010-08-05/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.