# SDR CALA2026032514820

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 24, 2026
- Submitted: March 25, 2026
- Operation: Air carrier
- Aircraft: [N77022](https://openairdocs.org/aircraft/N77022), registered now
- Make and model: Boeing 777224
- Aircraft serial: 39777
- Aircraft time: 71,823 hours, 7,219 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Condition: False Activation
- Location: Zone 200
- Stage of operation: NR
- 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/CALA2026032514820

## Discrepancy

SMOKE CREW REST FD EICAS MSG FALSE AUDIBLE ALARM NO MSG WHEN MX ENTERED AC. NO SMELL OF SMOKE, INDICATION ONLY. PERFORMED OPS TEST FOR FLIGHT CREW REST SMOKE DETECTION REF AMM 26-14-10-710-801, CHECKS GOOD. NO FAULT MSGS ADD EMP: U121034

---
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.