# SDR UIEA2019082705300

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 26, 2019
- Submitted: August 27, 2019
- Operation: Air carrier
- Aircraft: [N1709A](https://openairdocs.org/aircraft/N1709A), registered now
- Make and model: Boeing 767375
- Aircraft serial: 24086
- Aircraft time: 92,855 hours, 21,632 cycles
- System (JASC): [4950 · APU Bleed Air System](https://openairdocs.org/jasc/4950)
- Part: Indication Sys
- Condition: False Indication
- Location: Apu
- Stage of operation: TX
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2019082705300

## Discrepancy

DURING ENGINE START, APU DUCT PRESSURE FALLS FROM 25 PSI TO LESS 15 PSI. N2 GETS TO NO MORE THAN 18% N2. NO START LIMITATIONS EXCEEDED.  NOTED BY MX. PERFORMED APU BITE IAW AMM 49-11-00/958, OPS NORMAL, NO FAULTS NOTED. PERFORMED ENGINE RUN IAW AMM 71-00-00, APU MES, OPS NORMAL.

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