# SDR ASAA2017122223001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 22, 2017
- Submitted: December 26, 2017
- Operation: Air carrier
- Aircraft: [N588AS](https://openairdocs.org/aircraft/N588AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35685
- Aircraft time: 38,431 hours, 11,667 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Stator Vane
- Condition: Out Of Tolerance
- Location: Nr 2 Engine
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2017122223001

## Discrepancy

WHILE ACCOMPLISHING TC 78273000 NR 2 ENGINE LOGGED SHORT TIME FAULT 75-10372.  THE HMU VSV CONTROL CURRENT IS OUT OF RANGE FOR LEGS 0 AND 1.  ACFT GROUNDED. IAW TC 78273000, NO RECENT FAULTS. PERFORMED FIM 75-31, TASK 801.  OPENED AND CLOSED FOUR CIRCUIT BREAKER,  INSPECTED CONNECTORS ON NR 2 ENGINE HMU.  NO DEFECTS NOTED. PERFORMED REPAIR CONFIRMATION TEST PASSED.

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