# SDR 2007UALA04674

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 9, 2007
- Submitted: November 16, 2007
- Operation: Air carrier
- Aircraft: N128UA
- Make and model: Boeing 747422
- Aircraft serial: 30023
- Engine: Pwa PW4056
- System (JASC): [2565 · Escape Slide](https://openairdocs.org/jasc/2565)
- Part: Flapper Valve
- Part number: 5A28701
- Part serial: 1892
- Condition: Leaking
- Location: Aspirator
- Component: Aspirator
- Component part number: 7A146723
- 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/2007UALA04674

## Discrepancy

ASPIRATOR FLAPPER VALVE LEAKING.  REPLACED ASPIRATOR


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