# SDR ZZDA2008133

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 28, 2008
- Submitted: July 31, 2008
- Operation: Air carrier
- Aircraft: [N344AT](https://openairdocs.org/aircraft/N344AT), registered now
- Make and model: Boeing 737
- Aircraft serial: 36718
- System (JASC): [3400 · Navigation System](https://openairdocs.org/jasc/3400)
- Part: Transponder
- Part number: 066011271602
- Part serial: TRA67A19990
- Condition: Overheated
- Location: Nr 1
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ZZDA2008133

## Discrepancy

ELECTRICAL FUMES NOTICED AND SMELL INCREASED.  PERFORMED QRH PROCEDURE.  AS A PRECAUTION, PULLED ATC NR 1 C/B ALSO AND SMELL DISSIPATED.  FOUND  NR 1 TRANSPONDER HOT TO THE TOUCH.  REMOVED AND REPLACED NR1 TRANSPONDER IAW MM 34-53.  SELF TEST GOOD.  THIS CLEARS MDR 147159, PLACARD REMOVED.

---
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.