# SDR 2011FA0000049

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 18, 2011
- Submitted: January 28, 2011
- Operation: General aviation
- Aircraft: [N914PA](https://openairdocs.org/aircraft/N914PA), registered now
- Make and model: Piper PA-28-181
- Registry model: [Piper PA-28-181](https://openairdocs.org/model/piper-pa-28-181) (OpenAirDocs)
- Aircraft serial: 2843303
- Engine: Lyc O360A1D
- System (JASC): [2740 · Stabilizer Control System](https://openairdocs.org/jasc/2740)
- Part: Shaft
- Part number: 65246000
- Condition: Mismanufactured
- Location: Stab Trim
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2011FA0000049

## Discrepancy

LOOKING UNDER 10X YOU CAN SEE MACHINE MARKS ON THE THREADS OF THE SHAFT PREVENTING THE SHAFT FROM THREADING INTO THE TRIM BARREL.  4 IN STOCK ALL ARE FROM DATE 3/19/10 WITH A BATCH NR OF 6641D28J ALL WITH SAME DEFECT.  USED A SHAFT WITH A DIFFERENT BATCH NR AND NO DEFECTS NOTED.

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