# SDR UIEA2018041800727

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 18, 2018
- Submitted: April 20, 2018
- 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: 93,402 hours, 18,590 cycles
- System (JASC): [4950 · APU Bleed Air System](https://openairdocs.org/jasc/4950)
- Part: Transducer
- Part number: 38760841
- Part serial: 41595
- Condition: Malfunctioned
- Location: Apu Duct Press
- Stage of operation: TX
- How discovered: O
- Nature of condition: P
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2018041800727

## Discrepancy

APU INOPERATIVE.   APU DUCT PRESSURE DROPPED OFF.  IAW DDG 49-11-01A CAT LOG PAGE  947614 COMPLIED WITH ECM 2018P-529, AND REMOVED AND REPLACED TOTAL PRESSURE TRANSDUCER IAW AMM 49-56-02.  APU OPS CHECKED IAW AMM 49-11-00. OPS CHECKED NORMAL.

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