# SDR AMTA200300514

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 16, 2003
- Submitted: May 20, 2003
- Operation: Air carrier
- Aircraft: N556TZ
- Make and model: Boeing 757-33N
- Registry model: [Boeing 757-33N](https://openairdocs.org/model/boeing-757-33n) (OpenAirDocs)
- Aircraft serial: 32590
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Circuit Card
- Condition: Failed
- Location: Rt Eng Fire
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AMTA200300514

## Discrepancy

ENGINE FIRE LP 2 DISPLAYED, RT ENGINE.  SWAPPED CONTROL CARDS M683, M684 RT ENGINE FIRE LOOP 1 AND 2 FOR TROUBLESHOOTING PER GMM CHAP 8.  P/N'S FOR BOTH CARDS ARE S332T301-181.  NEW S/N FOR M683 IS 21788, NEW S/N FOR M684 IS 21781.  BOTH CARDS OPS CHECK GOOD.  (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.