# SDR ALG2002F00052

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 1, 2002
- Submitted: July 18, 2002
- Operation: Air carrier
- Aircraft: N177AL
- Make and model: Bell 206L-4
- Registry model: [Bell 206L-4](https://openairdocs.org/model/bell-helicopter-textron-canada-206l-4) (OpenAirDocs)
- Aircraft serial: 52157
- System (JASC): [6210 · Main Rotor Blades](https://openairdocs.org/jasc/6210)
- Part: Blade
- Part number: 206015001119
- Part serial: A3657
- Condition: Debonded
- Location: Main Rotor
- Part time: 673 hours
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ALG2002F00052

## Discrepancy

DISCOVERED DURING ROUTINE AIRFRAME INSPECTION.  SPAR LEADING EDGE EXFOLIATED ALONG ENTIRE LENGTH OF BLADE, SKIN/SPAR DISBOND AT LOWER SURFACE STA 58.5, CAUSED BY IMPROPER HEAT TREATING.  REVIEW MANUFACTURING PROCESS AND IMPROVE QUALITY CONTROL.

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