# SDR ERAA9579

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 5, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N124EH](https://openairdocs.org/aircraft/N124EH), registered now
- Make and model: Bolkms BO105S
- Aircraft serial: S559
- Engine: Allsn 250C20B
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Coupling
- Part number: A6870832
- Condition: Defective
- Location: Eng N2
- Stage of operation: IN
- Nature of condition: W
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ERAA9579

## Discrepancy

SHAFT INDENTIONS BETWEEN SEAL GROOVES AND BELOW SPLINE END (NOT SCALLOPED END) - OD OF SHAFT AT THESE POINTS DIFFER.  1.093" AND 1.104".

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