# SDR CALA2024122301627

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 20, 2024
- Submitted: December 23, 2024
- Operation: Air carrier
- Aircraft: [N17753](https://openairdocs.org/aircraft/N17753), registered now
- Make and model: Boeing 737724
- Aircraft serial: 30463
- Aircraft time: 67,757 hours, 26,205 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Apu
- Condition: Faulted
- Location: Zone 100
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: B, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2024122301627

## Discrepancy

LOW OIL LIGHT APU SHUT DOWN ACCOMPLISHED APU BITE PROCEDURE, FOUND MAINT MESSAGE 49-91007. OIL LEVEL FULL. PERFORMED API OIL INSPECTION REF TASK 12-13-31-200-801, OIL LEVEL IS AT FULL MARK ON APU SIGHT GLASS. NO OIL LEAK OBSERVED. PERFORMED R&R OF APU LOW OIL PRESSURE SWITCH REF A.M.M 49-94-22-400-801. OPS CHECKS OK, NO DEFECTS NOTED AT THIS TIME.

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