# SDR UIEA2020020400182

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 2, 2020
- Submitted: February 4, 2020
- Operation: Air carrier
- Aircraft: [N1427A](https://openairdocs.org/aircraft/N1427A), registered now
- Make and model: Boeing 767306
- Aircraft serial: 28098
- Aircraft time: 80,652 hours, 17,382 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Shutoff Valve
- Part number: 7998014
- Part serial: 9905049
- Condition: Malfunctioned
- Location: Engine Bleed
- Stage of operation: DE
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2020020400182

## Discrepancy

DURING CLIMB AND DESCENT, L DUCT INTERMITTENTLY ZERO. ACCOMPANIED W/ L PACK OFF EICAS L ENG BLD OFF EICAS.(<P>LOG PAGE 1196915: REMOVED AND REPLACED L/H PRSOV IAW AMM 36-11-09, OPS AND LEAK CHECK GOOD. NO DEFECTS NOTED AT THIS TIME. <BR /></P>)

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