# SDR ASAA2023101345616

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 13, 2023
- Submitted: October 16, 2023
- Operation: Air carrier
- Aircraft: [N457AS](https://openairdocs.org/aircraft/N457AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36355
- Aircraft time: 35,516 hours, 11,246 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: IN
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023101345616

## Discrepancy

WHILE PERFORMING T/C 78273000, FOUND FAULT CODE NUMBER 75-30402, "THE VSV POSITION SIGNALS DISAGREE," SHORT TIME FAULT, SET ON FLIGHT LEG 1, ON ENG #2. GROUNDED - YES. (RESOLVED ON W/O: 1973267 TASKCARD: N/R-00002 ) MAINT. MESSAGE 75-30402 NOT IN FAULT HISTORY & NO OTHER RELATED FAULTS AT THIS TIME. REF. FIM 75-31 TASK 804. THIS CLEARS PLT C/N 13008457. SEAMC PETER NOTIFIED.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.