# SDR AALA202209201845

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 17, 2022
- Submitted: September 20, 2022
- Operation: Air carrier
- Aircraft: [N950AN](https://openairdocs.org/aircraft/N950AN), registered now
- Make and model: Boeing 737
- Aircraft serial: 30087
- Aircraft time: 58,616 hours, 24,486 cycles
- System (JASC): [2932 · Hydraulic Pressure Sensor](https://openairdocs.org/jasc/2932)
- Part: Pressure Switch
- Part number: 90G183
- Condition: Faulty
- Location: Zone 100 - Fuse
- Stage of operation: CL
- How discovered: V
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202209201845

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: AFTER TAKE OFF LOW HYDRAULIC B PRESSURE LIGHT CAME ON. PERFORMED TROUBLESHOOTING IN ACCORDANCE WITH FIM 27-21-00-810-814. CONFIRMED INTERMITTENT FAULT. CLEANED FLIGHT CONTROL B PRESSURE SWITCH AND PLUG IN ACCORDANCE WITH AMM 20-60-02.

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