# SDR 20001215SH005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 25, 2000
- Submitted: December 15, 2000
- Operation: General aviation
- Aircraft: N117SU
- Make and model: Bolkms BK117C1
- Aircraft serial: 7527
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: 40165
- Part serial: EF22
- Condition: Damaged
- Location: Hydraulic System
- Part time: 902 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/20001215SH005

## Discrepancy

DRIVESHAFT WAS TORQUED TOO TIGHTLY IN PLACE AT THE FACTORY.  WHILE MECHANIC WAS REMOVING THE PUMP FOR INSPECTION, THE SHAFT PULLED LOOSE.  REPLACED WITH USED UNIT, CORRECTED PROBLEM.  (X)

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