# SDR DLM88040059

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 20, 2004
- Submitted: February 17, 2004
- Operation: Air carrier
- Aircraft: N946DL
- Make and model: Doug MD-88
- Registry model: [Doug MD-88](https://openairdocs.org/model/mcdonnell-douglas-md-88) (OpenAirDocs)
- Aircraft serial: 49819
- Aircraft time: 39,415 hours, 31,102 cycles
- System (JASC): [2297 · Auto Flight System Wiring](https://openairdocs.org/jasc/2297)
- Part: Wire
- Part number: 1C610X20RD
- Condition: Shorted
- Location: Yaw Damper
- Stage of operation: CL
- How discovered: O
- Nature of condition: G, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DLM88040059

## Discrepancy

CLIMBING THRU 11,500 ACCELERATING THRU 280 KTS THE DFG SW A C/B POPPED.  A/P AND A/T DISSENGAGED.  A/T ALERT WINDOW BLANK, YAW DAMP OFF MSG, MACH TRIM INOP MSG AND NOTICEABLE YAW.  FOUND WIRE 1C610X20RD SHORTED TO GROUND AT TOP OF VERTICAL STAB.  REPAIRED WIRING RAN NR 1 AND NR 2 A/P RTS ALL CHECKS GOOD.  CB DFGS SWITCH A DOES NOT POP.

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