# SDR CALA2025123012511

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 26, 2025
- Submitted: December 30, 2025
- Operation: Air carrier
- Aircraft: [N485UA](https://openairdocs.org/aircraft/N485UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1617
- Aircraft time: 71,828 hours, 31,684 cycles
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Actuator
- Part number: 4510835
- Part serial: 2267
- Condition: Faulted
- Location: Apu Igv
- Stage of operation: TX
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025123012511

## Discrepancy

APU AUTO SHUTDOWN WITH ODOR IN CABIN. APPLIED MEL4910B LAST LEG REPORT CHECK OIL COOLER ASSY & IGV ACTUATOR WHEN RUNNING APU AND BOTH PACKS, APU BLEED 10 PSI, AND WHEN BOOSTED 14 PSI. IAW TSM 49-00-00-810-896-A,  APU OIL LEVEL OK, CHECKED COOLER FOR BLOCKAGE IAW TSM 49-00-00-810-943-A.  CHECKED LINKAGE OF IGV ACTUATOR AND REPLACED REMOVED AND REPLACED IGV ACTUATOR IAW AMM 49-23-51-000/400-003-A. OPS CHECKED GOOD.

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