# SDR ASAA2016072017444

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 20, 2016
- Submitted: July 25, 2016
- Operation: Air carrier
- Aircraft: [N593AS](https://openairdocs.org/aircraft/N593AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35107
- Aircraft time: 32,079 hours, 9,830 cycles
- Engine: Cfmint CFM567B262
- System (JASC): [7530 · Compressor Bleed Control](https://openairdocs.org/jasc/7530)
- Part: Actuator
- Part number: 1226400
- Part serial: EM83134W
- Condition: Failed
- Location: Nr 2 Engine
- Part time: 32,115 hours, 9,841 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2016072017444

## Discrepancy

WHILE PERFORMING T/C 78273000, FOUND MAINTENANCE MESSAGE 75-10452, THE VBV POSITION SIGNALS DISAGREE,  FLIGHT LEG 2 SHORT TIME.  ACFT GROUNDED.  R & R NR 2 ENGINE RT VBV ACTUATOR, OPS CHECK & LEAK CHECK GOOD.  NO FAULTS FOUND, REF AMM 75-32-02.

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