# SDR DL73K010517

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 30, 2001
- Submitted: April 17, 2001
- Operation: Air carrier
- Aircraft: [N315DL](https://openairdocs.org/aircraft/N315DL), registered now
- Make and model: Boeing 737232
- Aircraft serial: 23087
- Aircraft time: 49,052 hours, 38,705 cycles
- System (JASC): [3423 · Magnetic Compass](https://openairdocs.org/jasc/3423)
- Part: Coupler
- Part number: 2591201922
- Part serial: 84015908
- Condition: Failed
- Location: Compass
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL73K010517

## Discrepancy

NR 2 COMPASS SYSTEM IS THIRTY DEGREES OFF CAPTS HEADING AND WILL NOT SLAVE UP AND STAY SLAVED.  REPLACED NR 2 COMPASS COUPLER OP CHECKS NORMAL.  ITEM CAUSED AIR TURN BACK

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