# SDR UIEA2019063004623

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 30, 2019
- Submitted: July 1, 2019
- Operation: Air carrier
- Aircraft: [N1427A](https://openairdocs.org/aircraft/N1427A), registered now
- Make and model: Boeing 767306
- Aircraft serial: 28098
- Aircraft time: 79,462 hours, 16,961 cycles
- System (JASC): [4950 · APU Bleed Air System](https://openairdocs.org/jasc/4950)
- Part: Isolation Valve
- Condition: Closed
- Location: Apu
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2019063004623

## Discrepancy

APU ONLY PRODUCED 10 PSI FOR #1 ENGINE START. CROSS START REQUIRED TO START ENGINE 1.(<P>FOUND RT ISOLATION VALVE CLOSED. VALVE RESET, CYCLED, OPERATE OK REF 36-15-00.</P>)

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