# SDR REXA2026080401338

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 29, 2026
- Submitted: August 5, 2026
- Operation: Air carrier
- Aircraft: [N604LR](https://openairdocs.org/aircraft/N604LR), registered now
- Make and model: Cndair CL6002D24
- Aircraft serial: 15152
- Aircraft time: 39,977 hours, 28,720 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Detector
- Part number: 22402820
- Condition: Inoperative
- Location: Zone 400
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/REXA2026080401338

## Discrepancy

RIGHT ENG FIRE WARNING INTERMITTANT ON CLIMB, CRUISE, AND MOST OF DESCENT, FOLLOWED BY RT PACK FAULT STATUS & RT SOV OPEN IAW AML 3885913-1/3885909-2 FOR REPLACEMENT OF ALL 3 FIRE RAILS. NO FAULTS FOUND AFTER REPLACEMENT.   MOVED ITEM TO DEFER OPERATE PER MEL 26-00-1 MMO2 UPDATED PLACARD INSTALLED MOC # 102931 NOTIFIED.  R & R RT UPPER, LOWER, & SIDE RAILS IAW AMM 26-11-01, 26-11-03 AND 26-11-05. OPS CHECK GOOD IAW AMM 26-10-00. MM02 UPDATED PLACARD REMOVED MOC NOTIFED 43294.

---
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.