# SDR ABXA20250214037

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 14, 2025
- Submitted: February 14, 2025
- Operation: Air carrier
- Aircraft: [N1489A](https://openairdocs.org/aircraft/N1489A), registered now
- Make and model: Boeing 767-31K
- Registry model: [Boeing 767-31K](https://openairdocs.org/model/boeing-767-31k) (OpenAirDocs)
- Aircraft serial: 27206
- Aircraft time: 116,893 hours, 24,447 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Valve
- Part number: 7732887810
- Part serial: 851013
- Condition: Malfunctioned
- Location: Zone 500
- Part time: 10,777 hours, 3,375 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ABXA20250214037

## Discrepancy

DURING TAXI WHILE DEICING A/C  L ENGINE ANTI-ICE EICAS 5PSI L ENGINE PACK ILLUMINATED ON EICAS, A/C THEN RETURED TO THE GATE AND MTX GROUNDED A/C, MTX THEN TROUBLESHOT  PER FIM 36-20 FT 804 FOUND PRSOV VALVE STUCK CLOSED WITH ZERO PSI.REPLACED LH PRSOV PER AMM 36-11-09 ANTI ICE TEST ACCOMPLISHED PER AMM 30-21-00 NO DEFECTS NOTED A/C REMAINS NO ETOPS.AND RETURNED AC TO SERVICE.

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