# SDR ASAA2023091945204

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 19, 2023
- Submitted: September 22, 2023
- Operation: Air carrier
- Aircraft: [N403AS](https://openairdocs.org/aircraft/N403AS), registered now
- Make and model: Boeing 737-900ER
- Registry model: [Boeing 737-900ER](https://openairdocs.org/model/boeing-737-900er) (OpenAirDocs)
- Aircraft serial: 41730
- Aircraft time: 40,591 hours, 12,933 cycles
- System (JASC): [7530 · Compressor Bleed Control](https://openairdocs.org/jasc/7530)
- 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/ASAA2023091945204

## Discrepancy

WHILE PERFORMING T/C 78273000, FOUND #2 ENG SHORT TIME FAULT 75-20452 "THE VBV POSITION SIGNALS DISAGREE.". GROUNDED - YES. (RESOLVED ON W/O: 1970578 TASKCARD: N/R-00004 ) PERFORMED FIM 75-32 TASK 803 FOUND NO ACTIVE OR HISTORICAL FAULTS ON #2 ENG EEC BITE. PERFORMED ACT TEST REF FIM ALL TEST PASS EEC BITE NO FAULTS THIS TASK CLEARS THIS PLT SEAMC NOTIFIED.

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