# SDR ASAA2023092245248

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 22, 2023
- Submitted: September 26, 2023
- Operation: Air carrier
- Aircraft: [N428AS](https://openairdocs.org/aircraft/N428AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36353
- Aircraft time: 27,541 hours, 8,632 cycles
- System (JASC): [7500 · Engine Bleed Air System](https://openairdocs.org/jasc/7500)
- 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/ASAA2023092245248

## Discrepancy

WHILE PERFORMING T/C 78273000 FOUND #1 ENG SHORT TIME FAULT 75-30451 THE VBV POSITION DISAGREE. GROUNDED - YES. (RESOLVED ON W/O: 1970329 TASKCARD: N/R-00003 ) FAULT NOT ACTIVE ON CURRENT FAULTS. FAULT HISTORY SHOWS ON LEG 8 ONLY. CLEAR PLT. SEAMC MITCH.

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