# SDR ASAA2023090244895

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 2, 2023
- Submitted: September 6, 2023
- Operation: Air carrier
- Aircraft: [N428AS](https://openairdocs.org/aircraft/N428AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36353
- Aircraft time: 27,315 hours, 8,555 cycles
- System (JASC): [5700 · Wing Structure](https://openairdocs.org/jasc/5700)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: IN
- 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/ASAA2023090244895

## Discrepancy

WHILE PERFORMING T/C 78273000 FOUND #1 ENGINE SHORT TIME FAULT MASG NBR 75-10451 THE VBV POSITION SIGNALS DISAGREE. GROUNDED - YES. (RESOLVED ON W/O: 1967781 TASKCARD: N/R-00003 ) PERFORMED EEC BITE TEST PROCEDURE AND ACTUATOR TEST PER FIM 75-32 TASK 803 NO FAULTS NOTED AT THIS TIME SEAMC PETER NOTIFIED PLT CLEARED.

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