# SDR AALA202206226959

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 20, 2022
- Submitted: June 22, 2022
- Operation: Air carrier
- Aircraft: [N726AN](https://openairdocs.org/aircraft/N726AN), registered now
- Make and model: Boeing 777323ER
- Aircraft serial: 31550
- Aircraft time: 34,788 hours, 4,049 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Regulator Valve
- Part number: 32153025
- Part serial: 5669
- Condition: Faulty
- Location: Zone 400 - Nac/P
- Part time: 34,788 hours, 4,049 cycles
- Stage of operation: CR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202206226959

## Discrepancy

AIRCRAFT WAS GROUNDED: #1 ENGINE BLEED OFF EICAS MESSAGE. FLIGHT DIVERTED TO JFK, LANDING SAFELY. REPLACED #1 ENGINE PRESSURE REGULATING AND SHUTOFF VALVE (PRSOV) PER AMM 36-11-09. ACCOMPLISHED SATISFACTORY OPERATIONAL CHECKS.

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