# SDR AALA202606123906

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 10, 2026
- Submitted: June 13, 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: 34,631 hours, 13,324 cycles
- Engine: Cfmint LEAP1A33
- System (JASC): [7520 · Engine Cooling System](https://openairdocs.org/jasc/7520)
- Part: Line
- Condition: Disconnected
- Location: Nr 1 Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202606123906

## Discrepancy

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO LAX DUE TO THE FLIGHT CREW REPORTING THAT DURING CLIMB OUT AN ENGINE 1 TIP CONTROL FAULT OCCURRED. THE AIRCRAFT LANDED SAFELY AT LAX WITHOUT FURTHER INCIDENT.  UPON INSPECTION OF NR 1 ENGINE LPTACC VALVE, MAINTENANCE FOUND LINE IN THE MODULATED-TURBINE COOLING ACC FUEL-HYD MANIFOLD COMPLETELY DISCONNECTED. RECONNECTED LINE IAW AMM 75-23-10. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO FURTHER FAULT NOTED.

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