# SDR UIEA2020010600009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 3, 2020
- Submitted: January 6, 2020
- Operation: Air carrier
- Aircraft: [N1997A](https://openairdocs.org/aircraft/N1997A), registered now
- Make and model: Boeing 767-33A
- Registry model: [Boeing 767-33A](https://openairdocs.org/model/boeing-767-33a) (OpenAirDocs)
- Aircraft serial: 27310
- Aircraft time: 97,177 hours, 19,866 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Unknown
- Condition: Malfunctioned
- Location: Bleed Air Sys
- Stage of operation: TX
- 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/UIEA2020010600009

## Discrepancy

ON TAXI OUT, LH DUCT PRESSURE LOW, READING 5 PSI UNTIL LARGE ADVANCEMENT OF THRUST INCREASED DUCT PRESSURE TO NORMAL.(<P>PERFORMED OPERATIONAL TEST OF AIR SUPPLY SYS PRESS INDICATING SYS IAW AMM 36-21-00. OPS CHK GOOD.</P>)

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