# SDR AT0200004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 29, 2001
- Submitted: January 29, 2002
- Operation: Air carrier
- Aircraft: [N824AT](https://openairdocs.org/aircraft/N824AT), registered now
- Make and model: Doug DC-9-32
- Registry model: [Doug DC-9-32](https://openairdocs.org/model/mcdonnell-douglas-dc-9-32) (OpenAirDocs)
- Aircraft serial: 47278
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Warning System
- Part number: TFC120055101
- Part serial: 025
- Condition: Malfunctioned
- Location: Cargo Fire
- Stage of operation: DE
- 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/AT0200004

## Discrepancy

CARGO FIRE WARNING TONE SOUNDED WITH MASTER WARNING LIGHT ON DESCENT IN ATL.  CONDITION WAS INTERMITTENT,  SOUNDED TWICE WAS UNABLE TO DETERMINE WHICH LOOP.  CORRECTIVE ACTION:  REMOVED AND REPLACED FIRE TEST FAULT PANEL IN E/E BAY.

---
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.