# SDR ABXA20260621272

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 21, 2026
- Submitted: June 22, 2026
- Operation: Air carrier
- Aircraft: [N764CK](https://openairdocs.org/aircraft/N764CK), registered now
- Make and model: Boeing 767-3P6
- Registry model: [Boeing 767-3P6](https://openairdocs.org/model/boeing-767-3p6) (OpenAirDocs)
- Aircraft serial: 26234
- Aircraft time: 89,824 hours, 28,302 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Warning Message
- Condition: False Activation
- Location: Zone 400
- Stage of operation: IN
- How discovered: V
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ABXA20260621272

## Discrepancy

ON PREFLIGHT HAD A STATUS LEVEL L ENG FIRE LP1 THRT WOULD NOT CLEAR. MTX GROUNDED A/C AND PERFORMED OPS CHECK OF FIRE OVHT. MSG CLEARED.  AIRCRAFT REMAINS NO ETOPS IAW B767 AMM 26-11-00. OPS CHECK GOOD. MTX RETURNED A/C TO SERVICE.

---
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.
