# SDR KCSA2025030614

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 6, 2025
- Submitted: April 9, 2025
- Operation: Air carrier
- Aircraft: [N705CK](https://openairdocs.org/aircraft/N705CK), registered now
- Make and model: Boeing 747-4B5F
- Registry model: [Boeing 747-4B5F](https://openairdocs.org/model/boeing-747-4b5f) (OpenAirDocs)
- Aircraft serial: 26413
- Aircraft time: 86,568 hours, 14,902 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Warning
- Condition: False Activation
- Location: Zone 200
- 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/KCSA2025030614

## Discrepancy

100183594 - ">SMOKE CREW REST" ENGINE-INDICATING AND CREW-ALERTING SYSTEM. PERFORMED ADJUSTMENT/TEST CREW REST SMOKE DETECTION SYSTEM IN REFERENCE WITH B747-400 KA AMM 26-14-50 OPERATIONAL CHECK GOOD NO FAULTS OR MESSAGES.

---
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.
