# SDR UIEA2018051100879

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 9, 2018
- Submitted: May 15, 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: 93,538 hours, 18,646 cycles
- System (JASC): [4950 · APU Bleed Air System](https://openairdocs.org/jasc/4950)
- Part: Module
- Part number: 38850811
- Part serial: 13R400
- Condition: Malfunctioned
- Location: Apu
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2018051100879

## Discrepancy

APU INOP ( ER OPERATIONS NOT ALLOWED ). REMOVED AND REPLACED FLOW SENSE MODULE ASSY IAW AMM 49-53-08. LEAK CHECK AND OPS CHECK GOOD DUCT PRESSURE INDICATION 25-30 PSI.

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