# SDR NACA2019080610093

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 1, 2019
- Submitted: August 6, 2019
- Operation: Air carrier
- Aircraft: [N351CM](https://openairdocs.org/aircraft/N351CM), registered now
- Make and model: Boeing 767323
- Aircraft serial: 25201
- Aircraft time: 98,995 hours, 16,179 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Pressure Valve
- Part number: 80217010
- Part serial: 9907026
- Condition: Faulty
- Location: Lt Engine
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/NACA2019080610093

## Discrepancy

AFTER ENGINE START IN MDSD, L ENGINE BLEED OFF EICAS MESSAGE APPEARED, AFTER POWER WAS APPLIED THE MESSAGE WENT AWAY AND WAS NOT PRESENT WITH A RECALL SELECTION. ACCOMPLISHED TROUBLESHOOTING TO LT ENG BLEED AND FOUND HPSOV AT FAULT. REMOVED AND REPLACED PER B767 AMM 36-11-07 AND FIM 36-11-/838 ACCOMPLISHED BITE. BITE SATISFACTORY.

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