# SDR OEJA202312080001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 8, 2023
- Submitted: December 8, 2023
- Operation: Air carrier
- Aircraft: [N471FX](https://openairdocs.org/aircraft/N471FX), registered now
- Make and model: Lear 45LEAR
- Aircraft serial: 45500
- Aircraft time: 5,247 hours, 3,933 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Pushrod
- Part number: 4552101563003
- Part serial: 3933
- Condition: Broken
- Location: Zone 800
- Part time: 5,247 hours
- Stage of operation: TO
- How discovered: O
- Nature of condition: O
- Precautionary procedure: I
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/OEJA202312080001

## Discrepancy

UPON LEAVING KGMU, WE NOTICED LOUDER THAN USUAL CABIN NOISE ON TAKE-OFF.  UPON QUICK INSPECTION WE REALIZED THAT CABIN PRESSURE WAS EQUAL TO OUTSIDE ALTITUDE AND WE HAD 0.0 PSI DELTA P.  WE LEVELED OFF TO CONFIRM CABIN ISSUES AND REQUESTED A HOLD BURN DOWN TO BELOW MAX LANDING WEIGHT AND PROCEEDED TO DIVERT TO KGSP.  PLANE/CREW AND PASSENGERS ALL SAFE AND WELL.

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