# SDR ASAA2023030542207

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 5, 2023
- Submitted: March 9, 2023
- Operation: Air carrier
- Aircraft: [N519AS](https://openairdocs.org/aircraft/N519AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 36482
- Aircraft time: 50,710 hours, 14,933 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: NR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023030542207

## Discrepancy

AUTO PILOT B DISCONNECTS AFTER 4-5 SECONDS. GROUNDED - YES. ACCOMPLISHED FLIGHT FAULT REVIEW. FOUND FAULT IN HISTORY 22-11132, 22-11149. PERFORMED DFCS BITE TEST REF B737-800 FIM 22-11 TASK 801. NO FAULTS FOUND. PERFORMED AUTO PILOT A&B CURRENT STATUS. ALL TESTS PASSED. REF FIM 22-11 TASK 801. IN ADDITION PERFORMED LAND VERIFY. ALL TESTS PASSED REF B737-800 AMM TASK 22-11-00-700-801.

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