# SDR MASA200300427

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 25, 2003
- Submitted: October 31, 2003
- Operation: Air carrier
- Aircraft: N831MJ
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145273
- Aircraft time: 7,553 hours, 6,953 cycles
- Engine: Allsn AE3007A
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Relay
- Part number: MS24166D1
- Condition: Failed
- Location: Fire Detction
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MASA200300427

## Discrepancy

ASH 2638 CLT CARGO FIRE EXTINGUISHING SYSTEM WILL NOT TEST.   MECHANIC REPLACED CARGO DETECTOR CIRCUIT RELAY.  OP CHECKS GOOD.

---
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.