# SDR CALA2017050501237

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 2, 2017
- Submitted: May 5, 2017
- Operation: Air carrier
- Aircraft: [N644UA](https://openairdocs.org/aircraft/N644UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 25094
- Aircraft time: 105,707 hours, 16,493 cycles
- System (JASC): [7334 · Fuel Pressure Sensor](https://openairdocs.org/jasc/7334)
- Part: Pressure Switch
- Part number: 42D395
- Condition: Faulty
- Location: Nr 1 Engine
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2017050501237

## Discrepancy

AT TOP OF CRUISE GOT A L ENG FUEL FILTER EICAS. EMERGENCY DECLARED. T/S PER FIM 73-34 FAULT TREE 803. CHANGED NR 1 ENG FUEL FILTER REF AMM 73-11-02. LEAK CHK GOOD. MSG DID NOT RETURN ON IDLE RUN. R&R NR 1 ENG FUEL PUMP DIFFERENTIAL PRESSURE SWITCH PER AMM 73-34-01. LEAK AND OPS CHECK NORMAL. NO MSG. SHOWING AT THIS TIME.

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