# SDR 159PL0026

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 27, 2003
- Submitted: January 28, 2003
- Operation: Air carrier
- Aircraft: N159PL
- Make and model: Boeing 737242
- Aircraft serial: 21186
- Aircraft time: 56,381 hours, 50,934 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Computer
- Part number: 2588812901
- Condition: Malfunctioned
- Location: Roll Channel
- Stage of operation: IN
- 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/159PL0026

## Discrepancy

ROLL CHANNEL AUTO PILOT WILL NOT ENGAGE.  REMOVED AND REPLACED ROLL CHANNEL COMPUTER PER MM 22-11-161.

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