# SDR DXTA2021080246260

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 2, 2021
- Submitted: August 2, 2021
- Operation: Air carrier
- Aircraft: [N755QS](https://openairdocs.org/aircraft/N755QS), registered now
- Make and model: Bombdr BD1001A10
- Aircraft serial: 20737
- Aircraft time: 3,415 hours, 2,094 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Warning Light
- Condition: Intermittent
- Location: Fire Suppresion
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2021080246260

## Discrepancy

FIRE SYS FAULT AMBER CAS: PRIOR TO ENGINE START AMBER FIRE SYS FAULT, CYAN FIREX BTL 1 LOW, FIREX BTL 2 LOW CAS MESSAGES ILLUMINATED CONTINUOUSLY.  CYAN FIREX BTL 2 FAULT ILLUMINATES INTERMITTENTLY.   PHYSICALL VY CHECKED BOTH FIRE BOTTLES AND FOUND TO BE WITHIN SERVICEABLE RANGE PER CL-350 AMM, CH. 26-21-00. PERFORMED FIREX PILOT INITIATED TEST SEVERAL TIMES AND NOTED NO DEFECTS REF CL-350 AMM, CH. 26-11-00 AS APPLICABLE. NO ACTIVE MDC FAULTS. NO HISTORICAL FAULTS RELATED TO FIREX SYSTEM IN RECENT MDC HISTORY. AT THIS TIME, NO DEFECTS NOTED AND NO FURTHER MAINTENANCE ACTION IS REQUIRED.

---
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.