# SDR UIEA2016081900692

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 18, 2016
- Submitted: August 19, 2016
- 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: 89,814 hours, 17,432 cycles
- System (JASC): [4950 · APU Bleed Air System](https://openairdocs.org/jasc/4950)
- Part: Filter
- Part number: 31747265
- Condition: Malfunctioned
- Location: Surge Valve
- Stage of operation: IN
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2016081900692

## Discrepancy

FOUND APU BLEED PRESSURE DUCT PRESSURE SURGES.  REMOVED AND REPLACED SURGE VALVE FILTER.  OPS CHECKED NORMAL IAW AMM 49-53-06.

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