# SDR UIEA2020012100100

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 20, 2020
- Submitted: January 21, 2020
- Operation: Air carrier
- Aircraft: [N1427A](https://openairdocs.org/aircraft/N1427A), registered now
- Make and model: Boeing 767306
- Aircraft serial: 28098
- Aircraft time: 80,623 hours, 17,370 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Circuit Card
- Part number: 285T1115115
- Part serial: D02484
- Condition: Malfunctioned
- Location: Lt Bleed
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2020012100100

## Discrepancy

LEFT ENGINE BLEED OFF CAUTION MESSAGE ON EICAS. BITE PROCEDURE PERFORMED, FOUND FAS AND FAU FAULTS. REMOVED AND REPLACED LEFT ENGINE AIR SUPPLY CONTROL IAW AMM 36-11-03. FAULTS CLEARED. MCC NOTIFIED.

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