# SDR 2007UALA01774

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 3, 2007
- Submitted: June 6, 2007
- Operation: Air carrier
- Aircraft: [N472UA](https://openairdocs.org/aircraft/N472UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1435
- Aircraft time: 20,725 hours, 8,665 cycles
- Engine: Iae V2527A5
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Loop
- Condition: Unknown
- Location: Nr 1 Nacelle
- Stage of operation: NR
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2007UALA01774

## Discrepancy

FIRE LOOP B FAULT DISPLAYED ON UPPER ECAM SCREEN, ENG 1.  ALMOST THE ENTIRE LOOP B DETECTION CIRCUIT WAS REPLACED (LOOPS, FDU, FIRE HANDLE CONTROL UNIT).  LOOP HAD STILL FAULTED UP UNTIL 6/27/07.  NO REPEATS SINCE.

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