# SDR AALA202107124978

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 7, 2021
- Submitted: July 12, 2021
- Operation: Air carrier
- Aircraft: [N359PX](https://openairdocs.org/aircraft/N359PX), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31280
- Aircraft time: 9,598 hours, 3,994 cycles
- System (JASC): [2700 · Flight Control System](https://openairdocs.org/jasc/2700)
- Part: Pressure Switch
- Condition: Inoperative
- Location: Zone 200
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202107124978

## Discrepancy

AIRCRAFT WAS GROUNDED: A LOW PRESSURE LIGHT ILLUMINATED DURING FLIGHT CONTROL CHECK JUST BEFORE TAXI TO ACTIVE RUNWAY. RETURN TO GATE. LOW PRESSURE WARNING SWITCH REPLACED IAN AM 27-09-61 PB 401.

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