# SDR UIEA2020040300681

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 2, 2020
- Submitted: April 3, 2020
- Operation: Air carrier
- Aircraft: [N1427A](https://openairdocs.org/aircraft/N1427A), registered now
- Make and model: Boeing 767306
- Aircraft serial: 28098
- Aircraft time: 81,009 hours, 17,502 cycles
- System (JASC): [4950 · APU Bleed Air System](https://openairdocs.org/jasc/4950)
- Part: Bleed Air Sys
- Condition: Malfunctioned
- 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/UIEA2020040300681

## Discrepancy

DURING ENGINE START, APU WOULD ONLY MAKE 21 PSI DUCT PRESSURE. START WAS NORMAL.(<P>PERFORMED #1 AND #2 ENGINE RUNS (INDEPENDENT) WITH APU, BOTH ENGINE STARTS NORMAL. NO FAULTS, APU PRESSURE +30 PSI, REF AMM 71-00-00/501. OPS CHECK GOOD.</P>)

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