# SDR UIEA2019030103422

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 27, 2019
- Submitted: March 13, 2019
- Operation: Air carrier
- Aircraft: [N662GT](https://openairdocs.org/aircraft/N662GT), registered now
- Make and model: Boeing 767-31A
- Registry model: [Boeing 767-31A](https://openairdocs.org/model/boeing-767-31a) (OpenAirDocs)
- Aircraft serial: 27619
- Aircraft time: 74,068 hours, 14,633 cycles
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Apu
- Part number: 380029816
- Part serial: P1827
- Condition: Faulty
- Location: Apu Bay
- Stage of operation: IN
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2019030103422

## Discrepancy

APU DUCT PRESSURE OSCILATES BETWEEN 15 AND 5 PSI.(<P>TRANSFERRED TO MDDR # 107924 AS PER MEL 49-11-01-01 CAT C </P><P>LOG PAGE 1042631: REMOVED AND REPLACED A/C APU IAW AMM 49-11-01, LEAK AND OP CHECK GOOD. APU OIL SERVICED & CHK IAW AMM 12-13-04.<BR /></P>)

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