# SDR 2008UALA02459

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 25, 2008
- Submitted: May 14, 2008
- Operation: Air carrier
- Aircraft: [N404UA](https://openairdocs.org/aircraft/N404UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 450
- Aircraft time: 48,931 hours, 17,632 cycles
- Engine: Iae V2527A5
- System (JASC): [2622 · Fire Bottle, Portable](https://openairdocs.org/jasc/2622)
- Part: Relay
- Condition: Failed
- Location: Fire Exting
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2008UALA02459

## Discrepancy

APU FIRE EXTINGUISHING CIRCUIT CHECK FAILS. FOUND FLIGHT GROUND RELAY 43WF FAILING.  FLIGHT GROUND RELAY 43WF REPLACED, OPS TESTED SYSTEM NORMAL.

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