# SDR 9JLA2021030420441

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 1, 2021
- Submitted: March 4, 2021
- Operation: Air carrier
- Aircraft: [N268RB](https://openairdocs.org/aircraft/N268RB), registered now
- Make and model: Gulstm GIVXG450
- Aircraft serial: 4281
- Aircraft time: 1,878 hours, 1,146 cycles
- Engine: Rroyce TAY6118
- System (JASC): [7510 · Engine Anti-Icing System](https://openairdocs.org/jasc/7510)
- Part: Anti-Ice Valve
- Part number: 32158921
- Part serial: 690
- Condition: Failed
- Location: Lt Engine
- Stage of operation: DE
- 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/9JLA2021030420441

## Discrepancy

THE FLIGHT CREW REPORTED THAT A CAS MESSAGE WAS DISPLAYED ON DECENT INDICATING A FAULT WITH THE LEFT COWL VALVE IN THE OPEN POSITION. THE MAINTENANCE TEAM TROUBLESHOT AND FOUND THAT THE LEFT COWLING ANTI-ICE VALVE HAD FAILED. THE FAILED VALVE WAS REMOVED AND A NEW VALVE WAS INSTALLED. OPERATIONAL CHECKS WERE SATISFACTORY. THE AIRCRAFT WAS RETURNED TO SERVICE.

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