# SDR 2011F00133

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 26, 2010
- Submitted: June 1, 2011
- Operation: General aviation
- Aircraft: APBHB
- Make and model: Boeing 737-200
- Registry model: [Boeing 737-200](https://openairdocs.org/model/boeing-737-200) (OpenAirDocs)
- Aircraft serial: 22655
- Aircraft time: 75,650 hours, 57,224 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Autopilot Sys
- Part number: SP177
- Condition: Inoperative
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2011F00133

## Discrepancy

DURING INSPECTION AUTOPILOT B WAS FOUND NOT ENGAGING IN ANY MODE. ALL RELEVANT LRU'S REPLACED BUT DEFECT PERSISTED.

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