# SDR ALG2001F00000

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 27, 2001
- Submitted: June 20, 2001
- Operation: Air carrier
- Aircraft: [N391AL](https://openairdocs.org/aircraft/N391AL), registered now
- Make and model: Bell 214ST
- Registry model: [Bell 214ST](https://openairdocs.org/model/bell-214st) (OpenAirDocs)
- Aircraft serial: 28103
- System (JASC): [6230 · Main Rotor Mast/Swashplate](https://openairdocs.org/jasc/6230)
- Part: Plate
- Part number: 214010413105
- Part serial: ER410
- Condition: Mismanufactured
- Location: Master Spline
- Component: Scissor, Sleeve, Bell
- Component part number: 214010501119
- 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/ALG2001F00000

## Discrepancy

DURING REPLACEMENT OF THE DRIVEPLATE WITH THE NEW UNIT.  PART IS MISMANUFACTURED:  MASTER SPLINE IS MACHINED APPROXIMATELY 45 DEGREES COUNTER CLOCKWISE FROM ITS PROPER LOCATION.

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