WO-1055 — Fuel Control Unit Calibration
Aircraft N221ML · Due 2026-03-15 · 2d overdue
Execution
BLOCKEDEvidence Gate
FAILRelease Readiness
BLOCKEDPlanning Status: MATERIAL BLOCKED · Risk: HIGH
- → Aircraft is AOG (open HIGH/CRITICAL defect)
- → Work order priority is CRITICAL
- → Overdue by 2 day(s)
- → Required material unavailable: FCU-220
Do not start — required part unavailable: FCU-220.
Maintenance Impact
Aircraft AOG: Yes (open HIGH/CRITICAL defect)
Open defects on this aircraft: 1
- Fuel control unit calibration drift detected during last engine run, requires recalibration. (HIGH)
Material shortages: FCU-220
Compliance: No linked regulatory requirement.
Materials
| Part | Description | Status | Quantity |
|---|---|---|---|
| FCU-220 | Fuel Control Unit Calibration Kit | AWAITING RECEIPT | 1 |
Technician
Assigned: Rahul Menon
Technician Authorization
A high certification match or availability ranking above is a recommendation, not authorization — this table is the formal authorization determination and always takes precedence. A hard authorization block is never overridden by a strong recommendation.
| Technician | Status | Reasons |
|---|---|---|
| Marco Silva | UNKNOWN | Certification match: Fuel Systems No other open work orders UNKNOWN: no aircraft-type qualification record exists for this technician in this dataset. |
| Priya Desai | UNKNOWN | On shift now No other open work orders UNKNOWN: no aircraft-type qualification record exists for this technician in this dataset. |
| Fatima Al-Sayed | UNKNOWN | On shift now UNKNOWN: no aircraft-type qualification record exists for this technician in this dataset. |
| Arjun Nair | UNKNOWN | On shift now UNKNOWN: no aircraft-type qualification record exists for this technician in this dataset. |
| Rahul Menon | NOT AUTHORIZED | On shift now UNKNOWN: no aircraft-type qualification record exists for this technician in this dataset. No certification-keyword match on file for this work order. Workload already at 3 open work order(s). |
| Elena Petrova | NOT AUTHORIZED | No other open work orders UNKNOWN: no aircraft-type qualification record exists for this technician in this dataset. No certification-keyword match on file for this work order. Not currently on shift. |
| Diego Alvarez | NOT AUTHORIZED | UNKNOWN: no aircraft-type qualification record exists for this technician in this dataset. No certification-keyword match on file for this work order. Not currently on shift. |
| Wei Zhang | NOT AUTHORIZED | UNKNOWN: no aircraft-type qualification record exists for this technician in this dataset. No certification-keyword match on file for this work order. Not currently on shift. |
| Sara Kavanagh | NOT AUTHORIZED | UNKNOWN: no aircraft-type qualification record exists for this technician in this dataset. No certification-keyword match on file for this work order. Not currently on shift. |
Evidence
Prototype storage only — images are held as in-browser object references for this session and are not persisted to production object storage. Uploading a photo records that an artifact was captured; it is never treated as proof of airworthiness, compliance, or acceptable workmanship on its own.
All 1 submitted evidence item(s) were rejected — resubmission required. Latest reason: Calibration display is out of focus and the reading is not legible — resubmit with a clear photo of the display.
| Type | Preview | Uploaded By | Captured | Note | Status | |
|---|---|---|---|---|---|---|
| INSPECTION | fcu-calibration-reading.jpg | Rahul Menon | 3/11/2026, 8:00:00 AM | Calibration reading photo. (Rejected: Calibration display is out of focus and the reading is not legible — resubmit with a clear photo of the display.) | REJECTED |
Add Evidence
Maintenance Task & Release
Technician completion is separate from release. "WAITING PARTS" describes the work order status; the execution state below tracks whether this work order has actually cleared inspection and is ready for release.
Traceability Chain
- Aircraft: N221ML
- Discrepancy: Fuel control unit calibration drift detected during last engine run, requires recalibration. (HIGH)
- Maintenance Task: Fuel control unit calibration — Insufficient source data (no AD/SB/AMM reference on file)
- Work Order: WO-1055 — Fuel Control Unit Calibration
Task Execution
Performed by: Rahul Menon (assigned, not yet signed off)
Inspected by: Not yet inspected.
Execution State: BLOCKED
Work is blocked before starting (material or qualification gate open).
| Safety Gate | Status | Reason |
|---|---|---|
| MATERIAL GATE | FAIL | Required material unavailable: FCU-220 |
| QUALIFICATION GATE | PASS | A technician is assigned. |
| INSPECTION GATE | FAIL | Independent inspection required before release — eligible inspector(s): Diego Alvarez, Sara Kavanagh. The assigned technician cannot inspect their own work. |
| EVIDENCE GATE | UNKNOWN | Authoritative maintenance reference is not available in the current dataset for this task. |
| EXECUTION EVIDENCE GATE | FAIL | All 1 submitted evidence item(s) were rejected — resubmission required. Latest reason: Calibration display is out of focus and the reading is not legible — resubmit with a clear photo of the display. |
| RELEASE GATE | FAIL | Not yet released — current execution state: BLOCKED. |
Release Readiness
Whether this application's known operational gates are satisfied — not an airworthiness or dispatch determination.
- [MATERIAL] Required material unavailable: FCU-220 — Resolve the material shortage (Material Readiness / Procurement). (source: Safety Gate: MATERIAL_GATE)
- [INSPECTION] Independent inspection required before release — eligible inspector(s): Diego Alvarez, Sara Kavanagh. The assigned technician cannot inspect their own work. — Assign an eligible independent inspector. (source: Safety Gate: INSPECTION_GATE)
- [EVIDENCE] Authoritative maintenance reference is not available in the current dataset for this task. — Resolve the missing source data before this gate can be evaluated as PASS or FAIL. (source: Safety Gate: EVIDENCE_GATE)
- [EVIDENCE] All 1 submitted evidence item(s) were rejected — resubmission required. Latest reason: Calibration display is out of focus and the reading is not legible — resubmit with a clear photo of the display. — Submit the required execution evidence for this task. (source: Safety Gate: EXECUTION_EVIDENCE_GATE)
- [UNKNOWN] Not yet released — current execution state: BLOCKED. — Resolve the identified blocker. (source: Safety Gate: RELEASE_GATE)
- [REGULATORY] Assessment is NON COMPLIANT. — Resolve the regulatory assessment (Compliance). (source: Assessment asmt-bulk-6)
Work Order History
The recorded history for WO-1055, read directly from the audit trail. This is a session-only prototype — only actions taken in this session (or seeded at startup) appear here; no lifecycle step is shown unless it was actually recorded.
No recorded actions for this work order yet.