# SDR C7WA200500117

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 9, 2005
- Submitted: October 7, 2005
- Operation: Air carrier
- Aircraft: [N721RW](https://openairdocs.org/aircraft/N721RW), registered now
- Make and model: Boeing 727-2M7
- Registry model: [Boeing 727-2M7](https://openairdocs.org/model/boeing-727-2m7) (OpenAirDocs)
- Aircraft serial: 21200
- System (JASC): [3452 · ATC Transponder System](https://openairdocs.org/jasc/3452)
- Part: Transponder
- Part number: 6222224001
- Condition: Inoperative
- Location: E/E Bay
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/C7WA200500117

## Discrepancy

FLIGHT RETURN, NR 2 TRANSPONDER FAILED DURING FLIGHT.  RETURNED TO KDAY PER ATC REQUEST.  REMOVED AND REPLACED TRANSPONDER OPERATIONAL CHECKS GOOD PER B727 MM 34-43-10.  (M)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.