# SDR CALA2022081002011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 10, 2022
- Submitted: August 10, 2022
- Operation: Air carrier
- Aircraft: [N33209](https://openairdocs.org/aircraft/N33209), registered now
- Make and model: Boeing 737824
- Aircraft serial: 30581
- Aircraft time: 68,330 hours, 24,824 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Pressure Switch
- Part number: NA
- Condition: Warning Light
- Location: Other
- Stage of operation: UK
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2022081002011

## Discrepancy

APU LOW OIL PRSSR  LIGHT. REMOVED &  REPLACED APU LOW OIL PRESSURE SWITCH REF AMM 49-94-22. OPS CHECK GOOD NO MESSAGES IN APU BITE CHECK. PLA REMOVED.

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