# SDR CALA2025110510919

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 5, 2025
- Submitted: November 5, 2025
- Operation: Air carrier
- Aircraft: [N77014](https://openairdocs.org/aircraft/N77014), registered now
- Make and model: Boeing 777224
- Aircraft serial: 29862
- Aircraft time: 120,249 hours, 12,271 cycles
- System (JASC): [5240 · Service Doors](https://openairdocs.org/jasc/5240)
- Part: Lock
- Condition: Faulted
- Location: Zone 800
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025110510919

## Discrepancy

DOOR FLIGHT LOCK 4R EICAS STATUS NR 4 RIGHT PASSENGER ENTRY DOOR FLIGHT LOCK COMMAND, FLT LOCK RELAY, SENSOR DISAGREEMENT. CLEANED DOOR SWITCH NO HELP, DOOR 4R OPEN AND CLOSE NORMAL,  REQUESTING MEL OK TO DEFER DOOR 4R FLIGHT LOCK INOP COMPLIED WITH MEL. CHRONIC LVL 1. REPLACED THE FLIGHT LOCK ACTUATOR AMM 52-11-26.

---
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.