ZML_LOG_FILES_MISSING
Viewing this guide for
Applicable alarms (1)
ZML_LOG_FILES_MISSING
Likely outcomes — click to expand
Based on 44 missions where this alarm fired in the last 90 days as of 2026-10-13
Grounding vs discrepancy (of 10 ZERP issues filed on these missions)
Frequently replaced parts
| Part | P/N | Removals |
|---|---|---|
| BATTERY ASSY, ZIP, P2 | 27158 | 8 |
Aggregated from fleet operations and refreshed daily. Individual outcomes may vary by site and configuration.
Background
Section titled “Background”The logger isn\u2019t creating logs.
Troubleshooting Steps
Section titled “Troubleshooting Steps”graph TD
power-cycle-the-zip["<small><b>Step 1</b></small><br/>Action: Power cycle the zip/topics/aircraf..."]
wait-until-the-aircraft-is-in-operation["<small><b>Step 2</b></small><br/>Action: Wait until the Aircraft is in Operati..."]
is-the-zml-log-files-missing-alarm-stil{"<small><b>Step 3</b></small><br/>Question: Is the ZML_LOG_FILES_MISSING alarm st..."}
escalate-to-embedded-platform-on-call{{"<small><b>Step 4</b></small><br/>Escalation: Escalate to P2 Onboard Data Platform ..."}}
the-aircraft-may-return-to-service("<small><b>Step 5</b></small><br/>Reference: The Aircraft may return to service.")
power-cycle-the-zip --> wait-until-the-aircraft-is-in-operation
wait-until-the-aircraft-is-in-operation --> is-the-zml-log-files-missing-alarm-stil
is-the-zml-log-files-missing-alarm-stil -->|Yes| escalate-to-embedded-platform-on-call
is-the-zml-log-files-missing-alarm-stil -->|No| the-aircraft-may-return-to-service
style power-cycle-the-zip fill:#dcfce7,stroke:#22c55e,color:#14532d
style wait-until-the-aircraft-is-in-operation fill:#dcfce7,stroke:#22c55e,color:#14532d
style is-the-zml-log-files-missing-alarm-stil fill:#dbeafe,stroke:#3b82f6,color:#1e3a5f
style escalate-to-embedded-platform-on-call fill:#fef3c7,stroke:#f59e0b,color:#78350f
style the-aircraft-may-return-to-service fill:#f3e8ff,stroke:#a855f7,color:#581c87 Hover or focus a block to preview it. Select the block to keep the preview open.
1 action
2 action
Wait until the Aircraft is in Operations mode: Standard.
This tells you that everything should have started up.
This tells you that everything should have started up.
3 question
Is the ZML_LOG_FILES_MISSING alarm still set?
4 escalation
Escalate to P2 Onboard Data Platform On Call.
5 reference
The Aircraft may return to service.
Resolution note
This plaintext block is ready to paste into the Resolution Note field on the ZERP issue you're working. The permalink below gives engineering review access to the full step-by-step timeline including any back-navigation; share it if the case needs a deeper look.
Permalink:
Session is too large to fit in a URL. Use Download session JSON to share the timeline out-of-band.
Example ZipMissionLog
Section titled “Example ZipMissionLog”Example ZipMissionLog for a failure due to ZML_LOG_FILES_MISSING. The error report can be found in the failure_summaries field.
The error report is caused by an alarm. No alarm report included since a report does not exist.
{ "status": "ZIP_MISSION_STATUS_ENDED_IN_FAILURE", "asset_id": "p2-zip-371", "dock_ids": [ "p2-dock-84" ], "droid_id": "p2-droid-499", "timestamp": "2025-05-07T19:41:43.781Z", "flight_ids": [ "P2F_65AB1116D7C1594C" ], "mission_id": "P2M_65AB11142DC00000", "ibit_status": [], "capabilities": { "can_dock": "CAPABILITY_STATUS_DISABLED", "can_avoid": "CAPABILITY_STATUS_UNSPECIFIED", "can_hover": "CAPABILITY_STATUS_AVAILABLE", "can_cruise": "CAPABILITY_STATUS_AVAILABLE", "can_launch": "CAPABILITY_STATUS_FAILED", "can_deliver": "CAPABILITY_STATUS_DISABLED", "can_transit": "CAPABILITY_STATUS_AVAILABLE", "has_package": "CAPABILITY_STATUS_DISABLED", "can_failover": "CAPABILITY_STATUS_UNSPECIFIED", "can_paraland": "CAPABILITY_STATUS_DISABLED", "is_on_ground": "CAPABILITY_STATUS_DISABLED", "are_motors_off": "CAPABILITY_STATUS_AVAILABLE", "can_deconflict": "CAPABILITY_STATUS_UNSPECIFIED", "can_spin_motors": "CAPABILITY_STATUS_DISABLED", "is_droid_stowed": "CAPABILITY_STATUS_DISABLED", "can_perform_ibit": "CAPABILITY_STATUS_AVAILABLE", "can_control_droid": "CAPABILITY_STATUS_AVAILABLE", "can_control_winch": "CAPABILITY_STATUS_UNSPECIFIED", "is_droid_lid_open": "CAPABILITY_STATUS_DISABLED", "is_compute_healthy": "CAPABILITY_STATUS_UNSPECIFIED", "is_crossfire_alive": "CAPABILITY_STATUS_DISABLED", "is_droid_in_portal": "CAPABILITY_STATUS_AVAILABLE", "can_gnc_spin_motors": "CAPABILITY_STATUS_DISABLED", "is_in_dock_corridor": "CAPABILITY_STATUS_DISABLED", "is_retained_on_dock": "CAPABILITY_STATUS_AVAILABLE", "has_passed_all_ibits": "CAPABILITY_STATUS_DISABLED", "is_retracted_on_dock": "CAPABILITY_STATUS_AVAILABLE", "is_transit_completed": "CAPABILITY_STATUS_DISABLED", "can_transit_nominally": "CAPABILITY_STATUS_UNSPECIFIED", "is_cut_line_completed": "CAPABILITY_STATUS_UNSPECIFIED", "is_delivery_completed": "CAPABILITY_STATUS_DISABLED", "is_take_off_completed": "CAPABILITY_STATUS_DISABLED", "can_transit_with_droid": "CAPABILITY_STATUS_UNSPECIFIED", "is_call_home_completed": "CAPABILITY_STATUS_UNSPECIFIED", "can_reach_mission_goals": "CAPABILITY_STATUS_AVAILABLE", "is_dock_motion_completed": "CAPABILITY_STATUS_DISABLED", "is_lower_droid_completed": "CAPABILITY_STATUS_DISABLED", "is_raise_droid_completed": "CAPABILITY_STATUS_DISABLED", "can_droid_lower_to_portal": "CAPABILITY_STATUS_DISABLED", "are_diagnostic_ibits_reset": "CAPABILITY_STATUS_DISABLED", "can_droid_raise_from_portal": "CAPABILITY_STATUS_AVAILABLE", "can_receive_delivery_mission": "CAPABILITY_STATUS_AVAILABLE", "has_received_pending_mission": "CAPABILITY_STATUS_DISABLED", "is_take_off_time_window_open": "CAPABILITY_STATUS_AVAILABLE", "can_droid_execute_motion_cmds": "CAPABILITY_STATUS_UNSPECIFIED", "has_received_delivery_mission": "CAPABILITY_STATUS_DISABLED", "is_crossfire_disarm_requested": "CAPABILITY_STATUS_DISABLED", "is_diagnostic_abort_requested": "CAPABILITY_STATUS_DISABLED", "is_performing_partial_takeoff": "CAPABILITY_STATUS_DISABLED", "are_diagnostic_ibits_completed": "CAPABILITY_STATUS_DISABLED", "can_receive_reposition_mission": "CAPABILITY_STATUS_AVAILABLE", "is_software_download_completed": "CAPABILITY_STATUS_DISABLED", "has_received_reposition_mission": "CAPABILITY_STATUS_DISABLED", "is_crossfire_gnc_mode_requested": "CAPABILITY_STATUS_DISABLED", "is_crossfire_paraland_requested": "CAPABILITY_STATUS_DISABLED", "is_delivery_hydration_completed": "CAPABILITY_STATUS_DISABLED", "can_communicate_with_remote_pilot": "CAPABILITY_STATUS_AVAILABLE", "is_winch_emergency_hold_completed": "CAPABILITY_STATUS_UNSPECIFIED", "is_emergency_lower_droid_completed": "CAPABILITY_STATUS_UNSPECIFIED" }, "failure_summaries": [ "gps_timestamp": 1746042167544960000, "error_report": { "primary_unique_error_id": "ERR_123456", "errors": { "ERR_123456": { "code": 0x00010005, "message": "CanLaunch failed", "gps_timestamp": 173651165380000000, "unix_timestamp": 1024658498.45, "unique_id": "ERR_5123541254", "related_alarm_summaries": [{ "relation_type": RelationType::CAUSED_BY, "alarm": { "alarm_id": 4, "identifier": "/compute_a.zip_log_manager.status", "name": "ZML_LOG_FILES_MISSING", "alarm_namespace": "alarms", } }] } } }, "executive_task": "RunPreliminaryChecks", "flight_id": "P2F_65AB1116D7C1594C", "droid_status": { "lid_open": false, "behaviors": [], "motion_state": "", "battery_status": { "pack_current": 1.2839198, "pack_voltage": 19.84253, "state_of_charge": 0.7585616, "unsafe_to_charge": false, "unsafe_to_deploy": false, "unsafe_to_operate": false, "ms_since_relaxation": "182098", "requires_maintenance": false }, "capability_map": {}, "droid_asset_id": "p2-droid-499", "is_finger_safe": false, "current_executive_id": { "step_id": "1", "task_id": "8", "mission_id": "P2M_1AA5EDA994800000", "sequence_id": "15475" }, "safety_system_status": "DROID_SAFETY_SYSTEM_STATUS_NOT_READY", "current_command_status": "DROID_COMMAND_STATUS_COMPLETED", "current_command_string": "Portal (\"LOWER_TO_PORTAL\")", "message_injection_state": { "metadata": "", "is_running": false, "config_path": "" }, "droid_parachute_deploy_reason": "DROID_PARACHUTE_DEPLOY_UNSPECIFIED" }, "flight_status": "FLIGHT_STATUS_FAILED", "winch_cutter_state": "WINCH_CUTTER_STATE_UNARMED", "active_alarms": [ { "identifier": "/tail_bridge.comm_status", "alarm_summaries": [ { "name": "RS485_SERVO_TAIL_STBD_FWD_SIGNAL_QUALITY_OFF_NOMINAL", "alarm_id": 0, "severity": "ALARM_INFO", "report_id": "", "visibility": "DEVELOPMENT", "alarm_namespace": "off_nominals" }, { "name": "RS485_SERVO_TAIL_PORT_FWD_SIGNAL_QUALITY_OFF_NOMINAL", "alarm_id": 1, "severity": "ALARM_INFO", "report_id": "", "visibility": "DEVELOPMENT", "alarm_namespace": "off_nominals" }, { "name": "RS485_SERVO_ROLL_SIGNAL_QUALITY_OFF_NOMINAL", "alarm_id": 2, "severity": "ALARM_INFO", "report_id": "", "visibility": "DEVELOPMENT", "alarm_namespace": "off_nominals" }, { "name": "RS485_SERVO_TILT_SIGNAL_QUALITY_OFF_NOMINAL", "alarm_id": 3, "severity": "ALARM_INFO", "report_id": "", "visibility": "DEVELOPMENT", "alarm_namespace": "off_nominals" }, { "name": "RS485_SERVO_TAIL_STBD_FWD_LINK_FAULT", "alarm_id": 0, "severity": "ALARM_INFO", "report_id": "", "visibility": "DEVELOPMENT", "alarm_namespace": "alarms" }, { "name": "RS485_SERVO_TAIL_PORT_FWD_LINK_FAULT", "alarm_id": 1, "severity": "ALARM_INFO", "report_id": "", "visibility": "DEVELOPMENT", "alarm_namespace": "alarms" }, { "name": "RS485_SERVO_ROLL_LINK_FAULT", "alarm_id": 2, "severity": "ALARM_INFO", "report_id": "", "visibility": "DEVELOPMENT", "alarm_namespace": "alarms" }, { "name": "RS485_SERVO_TILT_LINK_FAULT", "alarm_id": 3, "severity": "ALARM_INFO", "report_id": "", "visibility": "DEVELOPMENT", "alarm_namespace": "alarms" } ] }, { "identifier": "zip_executive.executive_status", "alarm_summaries": [ { "name": "ZIP_MOTOR_CONTROL_UNINITIALIZED", "alarm_id": 18, "severity": "ALARM_WARNING", "report_id": "", "visibility": "MAINTENANCE", "alarm_namespace": "alarms" } ] }, { "identifier": "mic_array_summary", "alarm_summaries": [ { "name": "ACOUSTIC_PROBES_DEGRADED", "alarm_id": 0, "severity": "ALARM_INFO", "report_id": "", "visibility": "DEVELOPMENT", "alarm_namespace": "alarms" } ] }, { "identifier": "service_health_monitor.health", "alarm_summaries": [ { "name": "SERVICE_RESTARTED", "alarm_id": 0, "severity": "ALARM_INFO", "report_id": "p2-zip-371-service_health_monitor.alarm_report-1746646143.29986-0", "visibility": "DEVELOPMENT", "alarm_namespace": "alarms" }, { "name": "SERVICE_NOT_ACTIVE", "alarm_id": 1, "severity": "ALARM_INFO", "report_id": "p2-zip-371-service_health_monitor.alarm_report-1746643615.5932901-1", "visibility": "DEVELOPMENT", "alarm_namespace": "alarms" } ] } ], "occupied_bay_ids": [ "bay_8550db1c-76d5-46b4-bea8-47fec5924a0b" ], "proto_build_info": { "winch": { "app": { "git_sha": "d9d5887fdf9c6947aa861274e3421b349976915e", "has_uncommitted_changes": true }, "boot": { "git_sha": "bbb73bacd0e169086df33ac252b119556d265b8e", "has_uncommitted_changes": false } }, "distro_a": { "app": { "git_sha": "d9d5887fdf9c6947aa861274e3421b349976915e", "has_uncommitted_changes": true }, "boot": { "git_sha": "bbb73bacd0e169086df33ac252b119556d265b8e", "has_uncommitted_changes": false } }, "distro_b": { "app": { "git_sha": "d9d5887fdf9c6947aa861274e3421b349976915e", "has_uncommitted_changes": true }, "boot": { "git_sha": "bbb73bacd0e169086df33ac252b119556d265b8e", "has_uncommitted_changes": false } }, "zip_linux_sha": "3e736e17027ed2bd2917470568247e3f2a0aae7e", "flight_systems_sha": "d9d5887fdf9c6947aa861274e3421b349976915e", "compute_b_zip_linux_sha": "3e736e17027ed2bd2917470568247e3f2a0aae7e", "compute_b_flight_systems_sha": "d9d5887fdf9c6947aa861274e3421b349976915e" }, "software_config_status": { "config_state": "CONFIG_STATE_UNSPECIFIED", "release_name": "fsw-2025.15.rc15", "configuration_id": "46d69824-fd0d-4d49-8364-f43133e66776" }, "message_injection_state": { "is_running": false }, "parachute_deploy_reason": "PARACHUTE_DEPLOY_UNSPECIFIED", "winch_cutter_deploy_reason": "WINCH_CUT_UNSPECIFIED", "droid_parachute_deploy_reason": "DROID_PARACHUTE_DEPLOY_UNSPECIFIED", "mission_status_unix_timestamps": { "ZIP_MISSION_STATUS_FAILED": 1746646903.53002, "ZIP_MISSION_STATUS_ACCEPTED": 1746646883.17058, "ZIP_MISSION_STATUS_ENDED_IN_FAILURE": 1746646903.53017 },}Did this guide help you get unblocked?
Open suggestions
There are no open suggestions.
Open pull requests
There are no open pull requests.