# SDR 252TR0003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 11, 2003
- Submitted: February 21, 2003
- Operation: Air carrier
- Aircraft: N252TR
- Make and model: Boeing 737228
- Aircraft serial: 23001
- Aircraft time: 39,415 hours, 30,955 cycles
- System (JASC): [2200 · Auto Flight System](https://openairdocs.org/jasc/2200)
- Part: Coupler
- Part number: 4084042911
- Part serial: 99091488
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/252TR0003

## Discrepancy

Yaw damper inop.  Removed and replaced yaw damper coupler IAW MM 22-11-141. Ops. check good IAW MM 22-12-01.

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