# SDR K11A2021010600035

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 6, 2021
- Submitted: January 6, 2021
- Operation: Air carrier
- Aircraft: [N734CK](https://openairdocs.org/aircraft/N734CK), registered now
- Make and model: Boeing 737436
- Aircraft serial: 25858
- Aircraft time: 52,664 hours, 34,928 cycles
- System (JASC): [3400 · Navigation System](https://openairdocs.org/jasc/3400)
- Part: Transponder
- Condition: Malfunctioned
- Location: Co Pilot'S
- Stage of operation: CL
- How discovered: O
- Nature of condition: G
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/K11A2021010600035

## Discrepancy

CO PILOT STATIC INSTRUMENT AS WELL AS TRANSPONDER FAILED ON TAKEOFF.  CORRECTIVE ACTION & OTHER PERTINENT INFORMATION: PERFORMED OPERATIONS CHECK OF THE NR 2 EFIS SYSTEM, IRU SYSTEM, DADC AND ATC SYSTEM, IAW B737 AMM 34-22-00, 34-28-01, 34-12-01 AND 34-53-02.  ALL SYSTEMS OPERATIONS CHECK GOOD, NO DEFECTS NOTED AT THIS TIME.

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