# SDR DALA2024061406094

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 13, 2024
- Submitted: June 14, 2024
- Operation: Air carrier
- Aircraft: [N389DA](https://openairdocs.org/aircraft/N389DA), registered now
- Make and model: Boeing 737832
- Aircraft serial: 30376
- Aircraft time: 72,595 hours, 29,112 cycles
- Engine: Cfmint CFM567B262
- Engine time: 67,544 hours, 47,031 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Sense Line
- Part number: UNKNOWN
- Condition: Unknown
- Location: Cabin Pressure
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2024061406094

## Discrepancy

SHIP 3719 -PRESS- DIVERTED TO LAX DUE TO UNABLE TO MAINTAIN CABIN PRESSURIZATION. LEFT BLEED PRESSURE LOST. CORRECTIVE ACTION: MAINTENANCE REPLACED PRESSURE SENSE LINE TO PRECOOLER CONTROL VALVE AND PRECOOLER CONTROL VALVE PER B737 AMM 36-12.

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