# SDR SIMA200733006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 24, 2007
- Submitted: November 28, 2007
- Operation: Air carrier
- Aircraft: [N520DC](https://openairdocs.org/aircraft/N520DC), registered now
- Make and model: Cndair CL6002C10
- Aircraft serial: 10140
- Aircraft time: 9,574 hours, 7,004 cycles
- System (JASC): [3497 · Navigation System Wiring](https://openairdocs.org/jasc/3497)
- Part: Coupler
- Part number: SSPD11338
- Part serial: 736
- Condition: Malfunctioned
- Location: Vor System
- Stage of operation: LD
- How discovered: O
- Nature of condition: N
- Precautionary procedure: L
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA200733006

## Discrepancy

WHILE ON ILS APPROACH A/C WOULD NOT TRACK LOCALIZER.  SECOND APPROACH ILS OPERATIONAL.  REMOVED AND REPLACED VOR/ILS COUPLER WITH SERVICEABLE COUPLER IAW CRJ 700 AMM 34-51-04 OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE

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