# SDR 98ZZZX1888

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 3, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N911SV](https://openairdocs.org/aircraft/N911SV), registered now
- Make and model: Bolkms BO105LSA3
- Aircraft serial: 2033
- System (JASC): [6320 · Main Rotor Gearbox](https://openairdocs.org/jasc/6320)
- Part: Switch
- Part number: 6607A2114
- Condition: Failed
- Location: Gearbox Press
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/98ZZZX1888

## Discrepancy

GEARBOX OIL PRESSURE MALFUNCTION IS COMMON DUE TO PRESSURE SWITCH.  SUBMITTER STATED THE SYSTEM NEEDS A PRESSURE GAUGE TO VERIFY LIKE THE ENGINE OIL SYSTEM.

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