# SDR 96ZZZX2248

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 14, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N911BB](https://openairdocs.org/aircraft/N911BB), registered now
- Make and model: Aerosp AS 355F1
- Registry model: [Aerosp AS 355F1](https://openairdocs.org/model/aerospatiale-as-355f1) (OpenAirDocs)
- Aircraft serial: 5099
- System (JASC): [7931 · Engine Oil Pressure](https://openairdocs.org/jasc/7931)
- Part: Switch
- Part number: 81071010012
- Condition: Failed
- Location: Eng Oil Press
- Part time: 1 hours
- Stage of operation: CR
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/96ZZZX2248

## Discrepancy

ON 4-14-96 SHORTLY AFTER TAKEOFF, THE OIL PRESSURE DROPPED FROM 7 BARS TO 2.8 BARS.  REPLACED NR 1 ENGINE OIL PRESSURE SWITCH.  SYSTEM OPERATIONAL CHECK GOOD.  AIRCRAFT HOBBS TIME 142.2.  SECOND SWITCH FAILURE IN .7 HRS.

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