# SDR UIEA2020062901428

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 28, 2020
- Submitted: July 1, 2020
- Operation: Air carrier
- Aircraft: [N1487A](https://openairdocs.org/aircraft/N1487A), registered now
- Make and model: Boeing 767-31K
- Registry model: [Boeing 767-31K](https://openairdocs.org/model/boeing-767-31k) (OpenAirDocs)
- Aircraft serial: 28865
- Aircraft time: 87,736 hours, 18,029 cycles
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Pressure Switch
- Part number: 38760483
- Part serial: 9807169
- Condition: Malfunctioned
- Location: Apu
- Stage of operation: NR
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2020062901428

## Discrepancy

TWICE (2X) APU FAULT, NO FURTHER ATTEMPTS.  REMOVED AND REPLACED APU GENERATOR FILTER DIFFERENTIAL PRESSURE SWITCH IAW AMM 49-27-15 OPS CHECK GOOD.  THIS CLEARS MDDR 130465.  NOTE: AN APU COLD SOAK DMI 130584 WAS ALSO OPENED IN THE AIRCRAFT PER ETOPS MNL REQUIREMENT.

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