# SDR EVCA2018120704

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 5, 2018
- Submitted: December 7, 2018
- Operation: Air carrier
- Aircraft: [N24AE](https://openairdocs.org/aircraft/N24AE), registered now
- Make and model: Bell 206L-1
- Registry model: [Bell 206L-1](https://openairdocs.org/model/bell-helicopter-textron-206l-1) (OpenAirDocs)
- Aircraft serial: 45646
- Aircraft time: 27,804 hours, 7,836 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Drive Ring
- Part number: S3522EC2
- Condition: Worn
- Location: A/C System
- 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/EVCA2018120704

## Discrepancy

UPON INSPECTING AIR CONDITIONING DRIVE PULLEY AND SPLINE IN ACCORDANCE WITH AIR COMM SB206EC-18-07 AND AIR EVAC MIL 356. IT WAS DISCOVERED A/C DRIVE PULLEY TO BE WORN BEYOND LIMITS. DRIVE PULLEY WAS REPLACED AND INSTALLED IN ACCORDANCE WITH MIL 356 AND SB206EC-18-07. NO DEFECTS NOTED.

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