# SDR IPXA1668280

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 28, 2011
- Submitted: August 1, 2011
- Operation: Air carrier
- Aircraft: [N316UP](https://openairdocs.org/aircraft/N316UP), registered now
- Make and model: Boeing 767-34AF
- Registry model: [Boeing 767-34AF](https://openairdocs.org/model/boeing-767-34af) (OpenAirDocs)
- Aircraft serial: 27744
- System (JASC): [4930 · APU Engine Fuel and Control](https://openairdocs.org/jasc/4930)
- Part: Flow Sensor
- Condition: Inoperative
- Location: Apu
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA1668280

## Discrepancy

INSPECTION TYPE:ETOP, DURING ETOPS PDC CK, FOUND APU INOP DEFERRED IAW MEL 49-11-1-0-2 AND ETOPS DOWNGRADED.  R & R APU SURGE BLEED VALVE. NO HELP. R&R APU FLOW SENSOR MODULE. OPS CHECKED GOOD.

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