# SDR AALA202602232696

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 20, 2026
- Submitted: February 23, 2026
- Operation: Air carrier
- Aircraft: [N466AN](https://openairdocs.org/aircraft/N466AN), registered now
- Make and model: Airbus A321-253NX
- Registry model: [Airbus A321-253NX](https://openairdocs.org/model/airbus-a321-253nx) (OpenAirDocs)
- Aircraft serial: 11175
- Aircraft time: 12,757 hours, 3,515 cycles
- System (JASC): [3020 · Air Intake Anti/De-Ice System](https://openairdocs.org/jasc/3020)
- Part: Sense Line
- Condition: Loose
- Location: Zone 400
- Stage of operation: CL
- How discovered: V
- Nature of condition: J
- Precautionary procedure: A, O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202602232696

## Discrepancy

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO DFW DUE TO THE FLIGHT CREW REPORTING AN ANTI ICE ENGINE 1 VALVE CLOSED ECAM CLIMBING THROUGH FL250. ECAM GOES AWAY WHEN ANTI ICE PUSH BUTTON IS OFF. THE AIRCRAFT LANDED SAFELY AT DFW WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND PRSOV #1 VALVE HAD A LOOSE SENSE LINE AND WAS MISSING A CLAMP. MAINTENANCE SECURED THE SENSE LINE (AALA202602232696) AND INSTALLED THE CLAMP (AALA202602237273) PER AMM 36-11-52. A SATISFACTORY LEAK / OPERATIONAL CHECK WAS ACCOMPLISHED WITH NOS ISSUES NOTED.

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