# SDR ASAA2022071939138

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 19, 2022
- Submitted: July 21, 2022
- Operation: Air carrier
- Aircraft: [N918AK](https://openairdocs.org/aircraft/N918AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 44083
- Aircraft time: 4,240 hours, 1,341 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Autopilot Sys
- Part number: UNKNOWN
- Condition: Inoperative
- Location: Unknown
- Stage of operation: TO
- 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/ASAA2022071939138

## Discrepancy

VNAV WOULD NOT STAY ARMED FOR TAKEOFF. AFTER AIRBORNE, VNAV STAYED ON AND WORKED NORMALLY. GROUNDED - YES. C/W B737-9 FIM TASK 22-11-00-810-D11. NO FAULTS FOUND.

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