# SDR CALA2025061705588

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 14, 2025
- Submitted: June 17, 2025
- Operation: Air carrier
- Aircraft: [N37427](https://openairdocs.org/aircraft/N37427), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 37097
- Aircraft time: 52,305 hours, 18,514 cycles
- Engine: Cfmint CFM567B263
- System (JASC): [7510 · Engine Anti-Icing System](https://openairdocs.org/jasc/7510)
- Part: Anti-Ice Valve
- Part number: 32156185
- Part serial: 1117C
- Condition: Faulted
- Location: Nr 1 Engine
- Part time: 72,755 hours, 27,318 cycles
- Stage of operation: CR
- 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/CALA2025061705588

## Discrepancy

LEFT COWL VALVE FAIL CLOSED.FL320 -37C.  REMOVED AND REPLACED #1 ENGINE COWL TAI VALVE. OPS CHECK GOOD NO LEAKS. REF AMM 30-21-11.

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