# SDR DXTA2026010506394

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 1, 2026
- Submitted: January 5, 2026
- Operation: Air carrier
- Aircraft: [N792QS](https://openairdocs.org/aircraft/N792QS), registered now
- Make and model: Bombdr BD1001A10
- Aircraft serial: 20634
- Aircraft time: 10,012 hours, 5,801 cycles
- System (JASC): [7510 · Engine Anti-Icing System](https://openairdocs.org/jasc/7510)
- Part: Anti-Ice Valve
- Part number: WBG3020G103003
- Part serial: 0425
- Condition: Faulty
- Location: Lt Engine
- 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/DXTA2026010506394

## Discrepancy

L ENG A/ICE FAIL ON CYAN EICAS ILLUMINATED DURING DEPARTURE. QRH PROCEDURE ACCOMPLISHED. NO AMBER T2 INDICATION. A/ICE SYNOPTIC L ENG A/ICE VALVE STUCK IN THE ON POSITION. REPEAT WRITE UP. CORRECTIVE ACTION: REMOVED SUSPECTED FAULTY THERMAL ANTI ICE VALVE AND REPLACED WITH NEW CUSTOMER SUPPLIED THERMAL ANTI ICE VALVE IN REF TO CL-350 AMM 30-21-01. OPS CHECKS GOOD WITH NO DEFECTS NOTED. THERMAL ANTI ICE VALVE PN ON/OFF - WBG3020G103-003 SN OFF - 0425 SN ON - 1942. TORQUE WRENCH USED TL- 105318, CAL DUE -5/19/26

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