# SDR AALA202606011943

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 29, 2026
- Submitted: June 1, 2026
- Operation: Air carrier
- Aircraft: [N314VB](https://openairdocs.org/aircraft/N314VB), registered now
- Make and model: Boeing 737-8
- Registry model: [Boeing 737-8](https://openairdocs.org/model/boeing-737-8) (OpenAirDocs)
- Aircraft serial: 68112
- Aircraft time: 1,240 hours, 455 cycles
- System (JASC): [3020 · Air Intake Anti/De-Ice System](https://openairdocs.org/jasc/3020)
- Part: Relief Valve
- Condition: Failed
- Location: Zone 400
- 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/AALA202606011943

## Discrepancy

AIRCRAFT WAS GROUNDED: #1 ENG ANTI-ICE CAUTION ILLUMINATED IN CLIMB AT FL310. LEFT BLEE,D PRESSURE NORMAL AND NO OTHER ASSOCIATED LIGHTS. DECESION MADE TO RETURN TO DFW. EMERGENCY WAS NOT DECLARED AND AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED LEFT ENGINE PRSOV IAW AMM 36-11-04.

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