# SDR CALA2026060916948

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 7, 2026
- Submitted: June 9, 2026
- Operation: Air carrier
- Aircraft: [N17311](https://openairdocs.org/aircraft/N17311), registered now
- Make and model: Boeing 737-8
- Registry model: [Boeing 737-8](https://openairdocs.org/model/boeing-737-8) (OpenAirDocs)
- Aircraft serial: 67567
- Aircraft time: 10,966 hours, 3,702 cycles
- System (JASC): [3620 · Pneumatic Indicating System](https://openairdocs.org/jasc/3620)
- Part: Shutoff Valve
- Part number: 632160643
- Part serial: 1523
- Condition: Faulty
- Location: Zone 400
- Part time: 10,954 hours, 3,699 cycles
- 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/CALA2026060916948

## Discrepancy

LEFT ENGINE ANTI ICE LIGHT ILLUMINATED DURING CLIMB OUT DURING INSPECTION OF EXISTING FAULTS, MAINTENANCE MESSAGE 36-21010 FAULT ISOLATION PROCEDURE (CLIMB)(1)  REPLACE THE PRESS REGULATING/SHUTOFF VALVE (ENGINE 1 DEBRIEFED WITH CREW NO ADDITIONAL INFORMATION ADDED. R&R E1 PRSOV REF AMM TASK 36-11-04. OPS CHECK GOOD. NO FAULTS NOTED.

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