What was found
APU FIRE EXTINGUISHING CIRCUIT CHECK FAILS. FOUND FLIGHT GROUND RELAY 43WF FAILING. FLIGHT GROUND RELAY 43WF REPLACED, OPS TESTED SYSTEM NORMAL.
- Difficulty date
- April 25, 2008
- Submitted
- May 14, 2008
- Operation
- Air carrier
- Aircraft
- N404UA
- Make and model
- Airbus A320232
- Aircraft serial
- 450
- Aircraft time
- 48,931 hours, 17,632 cycles
- Engine
- Iae V2527A5
- System (JASC)
- 2622 · Fire Bottle, Portable
- Part
- Relay
- Condition
- Failed
- Location
- Fire Exting
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.