Fixed-Wing Jet Aircraft Mechanic

0530: formation PT or personal workout. 0700: production brief — you are in the maintenance officer's morning brief, not watching from the work center. You know the status of every open discrepancy in your section and the production chief is going to ask. 0800: CDI inspection queue — you inspect the work packages that your Cpls closed last night. ADB review before you sign anything. 0900: OJT session with the LCpl who is behind on Phase II checkpoints — you scheduled this last week and you are running it regardless of what else lands on the board. 1030: FOD walk before launch. 1100: troubleshooting coordination on the aircraft that has been down for three days with a hydraulic system indication — you have read the troubleshooting procedure, you know where the last replacement was made, and you are working the next step with production control. 1300: FitRep draft for the Cpl whose anniversary date is next week — this is not admin overhead, this is your primary leadership output. 1600: evening brief, section turnover prep. 1630: tool accountability and work center closeout.

The Sgt's week is driven by the production board, the CDI inspection queue, and the OJT tracking matrix for the section. Monday sets priorities. The phase inspection cycle determines which aircraft have active work packages and which Cpls are assigned to them. FitRep anniversary dates distribute across the calendar; the Sgt who tracks these and starts drafting two weeks out does not miss the submission window. QA surveillance audits happen on a schedule that the QA division publishes — know when your section is scheduled and have the documentation ready. PME commitments and Sergeants Course scheduling are tracked by the unit career planner; get on the waitlist early. Friday afternoon is ADB review, tool audit, and whatever administrative work accumulates during the week.

CDI inspection authority carries real technical and legal responsibility. A CDI signature on an ADB entry means you verified that the work was performed to the applicable technical standard — not that you trust the mechanic's signature below yours. Own NAMP Chapter 10 completely: what the CDI is authorized to inspect, what requires QAR escalation, what requires maintenance officer involvement, what the discrepancy documentation requirements are for a CDI-discovered quality escape. QA program interface is Sgt-level knowledge — how the QA division conducts surveillance audits, what a discrepancy trend analysis reveals about work center performance, and how the CDI record is reviewed during external audits. For F-35B specifically: the ODIN maintenance information system and the autonomic logistics information system (ALIS, now ODIN) interface changes how work cards are generated and tracked compared to legacy Hornet VIDS/MAF documentation. This is not an optional technical update if you are in an F-35B squadron.

COMNAVAIRFORINST 4790.2 (NAMP) Chapters 10 and 11 — CDI and QAR programs in depth; as a CDI you are accountable to Chapter 10 in both directions (your own inspections and the quality of the work packages you receive). NAVMC 2795 (Marine Corps FitRep and Counseling Record manual) — understand the relative value system and the MRO (Marking Officer and Reviewing Officer) structure before you write your first Sgt FitRep. MCO 1610.7 — Marine Corps Performance Evaluation System; the performance traits and their definitions are the framework your writing hangs on. NAVAIR 01-F18AC-2-1 or 01-F18EF-2-1 — at Sgt the expectation is that you are not looking up the chapter numbers; you know the hydraulic and flight control system structure well enough to navigate to the applicable procedure quickly. MCWP 6-11 (Leading Marines) — the doctrinal foundation for what a Marine NCO is expected to provide; read it before you write your first section-level FitRep.

Zero quality escapes on CDI inspections per QA audit cycle is the standard — any quality escape is a formal discussion with the maintenance officer and a note in the QA record. All junior Marines in the section are on track with OJT checkpoints and the section chief knows the completion status of each without looking it up. FitReps for junior Marines submitted on time and with specific, quantified language — not generic trait language. SSgt composite score building: FitRep marks at the upper range, professional military education complete, leadership billet visible in the record. Physical fitness standard maintained at First Class across both PFT and CFT.

Countersigning a CDI inspection without physically verifying the work — accepting the journeyman's representation of what was done rather than conducting the actual inspection. A quality escape that traces back to a countersigned CDI entry is a career-level event. Misinterpreting a composite structure damage indication on an F/A-18 airframe as cosmetic when it is within the repairable-damage category — composite damage repair decisions require specific callout of the damage class per the NAVAIR composite repair manual. Failing to escalate a repeated systemic discrepancy trend to the QAR — if the same hydraulic system is generating the same class of discrepancy on multiple aircraft, the CDI who continues closing individual write-ups without flagging the trend to quality assurance is missing the systemic problem. On F-35B: generating a work card through ODIN without verifying that the configuration state of the aircraft matches the baseline the work card was generated against — F-35B configuration management is more demanding than legacy Hornet documentation and errors cascade through the prognostics system.

The platform transition decision is the most significant career decision at this tier for 6212s right now. If you are an F/A-18 CDI and your squadron is transitioning to F-35B, the choice is: cross-train through the formal F-35B FRS pipeline (requires nomination, takes time off the flight line, but results in a dual-qualified credential), or maintain legacy Hornet expertise in a shrinking fleet. The F-35B is the future of Marine Corps fixed-wing attack aviation and the 6212 who is F-35B qualified at Sgt is more competitive at SSgt than the one who is not. The QAR billet decision: if a QAR position opens in your work center's quality assurance division, pursue it even if it means less direct flight-line maintenance time. The QAR credential is the next tier above CDI and is required for the senior NCO technical identity. The stay-or-go decision at 8-10 years: with CDI LOA, QAR exposure, and F-35B qualification, the defense contractor market ($90-120k at Boeing, L3Harris, Northrop) is a legitimate option. Without the F-35B credential, the range narrows.

VMFA operational squadron Sgt: the primary assignment, highest operational tempo, most CDI inspection volume. MALS Sgt: component-level bench maintenance leadership — the technical depth on specific components (hydraulic actuators, flight control surface assemblies) is greater and the documentation standards are more demanding because MALS is the component authority for the fleet. VMFAT training unit Sgt: instructor role possibility — the work environment is more deliberate, supervision ratios are higher, and the Sgt-level instructor has a direct influence on the quality of 6212s entering the fleet. MEU Sgt: the most demanding logistically, but also the most visible leadership opportunity — constrained parts, constrained space, and operational urgency all test the Sgt's maintenance leadership in ways garrison cannot replicate.

The exceptional Sgt 6212 runs a section where the CDI inspections are clean, the OJT is current, and the junior Marines come to him with questions because they know he will answer from the technical manual rather than from convenience. His FitReps for Cpls and LCpls are specific — 'nominated for CDI LOA ahead of schedule' or 'completed 14 of 15 Phase II OJT checkpoints in 90 days' — not 'hardworking Marine who is dedicated to mission accomplishment.' He has introduced himself to the QA representative for his work center by name, knows what the current discrepancy trend analysis shows for his section's work, and has a plan for the repeat discrepancies. His SSgt package is visibly building: FitRep marks, leadership billet, PME complete.

SSgt is the first senior NCO tier and it comes with program ownership, not just section leadership. The SSgt 6212 owns a maintenance program — either the CDI pipeline, the work center's NAMP compliance, or the section's phase inspection scheduling. The QAR credential becomes mandatory for competitive SSgt packages in the 6212 community. FitRep language changes: SSgt FitReps are evaluated against the senior NCO population and the relative value marks are harder-won. The platform transition is settled by SSgt — you are either F-35B qualified or you are a legacy specialist whose expertise is on a timeline.