# SDR AALA202610109893

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 7, 2026
- Submitted: October 11, 2026
- Operation: Air carrier
- Aircraft: [N155UW](https://openairdocs.org/aircraft/N155UW), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 5659
- Aircraft time: 40,043 hours, 16,553 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Loop
- Condition: False Indication
- Location: Zone 400
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202610109893

## Discrepancy

AIRCRAFT WAS GROUNDED: ENG 1 FIRE ECAM INDICATION TWICE ON CLIMB OUT OF 8,000 FEET.  BOTH TIMES CLEARED WITHIN A COUPLE OF SECONDS OF EACH OTHER AND DID NOT REPEAT.  NO OTHER INDICATIONS NOTED.  MAINTENANCE REPORTED BY THE TIME AIRCRAFT HAD ARRIVED AT THE HANGAR NO LOOP A FAULT WAS PRESENT, MAINTENANCE FOUND TOTAL LOOP RESISTANCE TO BE 1512 OHMS WHICH THE NORMAL OPERATING RANGE IS BETWEEN 1425 AND 1575 OHMS Ï¿½ MAINTENANCE CLEANED BOTH LOOP A AND B CONNECTIONS AS WELL AS INSPECTED THE CONNECTORS FOR DAMAGE AND NO DAMAGE WAS NOTED  MAINTENANCE ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK AND WAS UNABLE TO DUPLICATE THE FAULT

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