# SDR UIEA2020021090217

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 8, 2020
- Submitted: February 10, 2020
- Operation: Air carrier
- Aircraft: [N1427A](https://openairdocs.org/aircraft/N1427A), registered now
- Make and model: Boeing 767306
- Aircraft serial: 28098
- Aircraft time: 80,687 hours, 17,397 cycles
- Engine: Ge CF680C2B6F
- System (JASC): [7510 · Engine Anti-Icing System](https://openairdocs.org/jasc/7510)
- Part: Controller
- Part number: 79275515
- Part serial: 930434
- Condition: Failed
- Location: Lt Engine A/I
- Stage of operation: CR
- 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/UIEA2020021090217

## Discrepancy

WITH LEFT ENGINE ANTI-ICE ON, COMPLETE LOSS OF LEFT AIR SYSTEM PRESSURE (I.E. PACK AND BLEED AIR EICAS IN CRUISE, L DUCT PRESS 18 PSI).(<P>AS PER FIM 36-10 FAULT TREE 837, REMOVED AND REPLACED PRV CONTROLLER ON LEFT ENGINE PER AMM 36-11-19. OPS CHECK LEFT ENGINE IDLE RUN OK.</P>)

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