STC data
Installed physical secondary barriers for rule scope and retrofit certification data
For airlines, OEMs, equipment suppliers, this review is used when IPSB rule compliance dates. EE checks compliance data against the 25.795 amendment, structural attachment and rapid-egress substantiation, human factors and procedures evidence against the approval basis, the configuration baseline, and the available certification records. The output gives fleet engineers and product managers an evidence map, discrepancy register, request list, and closure plan for the records that need applicant, supplier, or authority disposition.
What gets reviewed
- Index compliance data against the 25.795 amendment against the claim it supports.
- Compare structural attachment and rapid-egress substantiation against the claim it supports.
- Trace human factors and procedures evidence against the claim it supports.
- Challenge AFM and ops procedure incorporation against the claim it supports.
- Reconcile approval basis against the claim it supports.
- Confirm configuration definition against the claim it supports.
Scope this review
Tell us the asset, the event, and the evidence in scope, and we will outline a focused first engagement.
Identify what is missing against the means of compliance.
What gets validated
- Configuration match: compliance data against the 25.795 amendment fails review if the cited record cannot be tied to the current baseline.
- The review notes that evidence link: structural attachment and rapid-egress substantiation fails review if the cited record cannot be tied to the current baseline.
- Limit carryover: human factors and procedures evidence fails review if the cited record cannot be tied to the current baseline.
- Source control: AFM and ops procedure incorporation fails review if the cited record cannot be tied to the current baseline.
- Closure owner: approval basis fails review if the cited record cannot be tied to the current baseline.
Evidence normally required
- Baseline record: compliance data against the 25.795 amendment
- Test file: structural attachment and rapid-egress substantiation
- Analysis note: human factors and procedures evidence
- Manual source: AFM and ops procedure incorporation
- Configuration item: approval basis
- Closure evidence: configuration definition
Common discrepancies
- Finding in records: a retrofit barrier that compromises evacuation compliance.
- Installer issue: procedures never incorporated into ops manuals.
- Buyer concern: buyers assuming retrofit is mandated when the rule targets new production only.
- Program risk: baseline does not match the delivered records.
How the work runs
Frame Flight Deck
Confirm the exact event, affected file set, buyer role, and decision standard before any compliance data against the 25.795 amendment is treated as sufficient.
Trace Barrier STC
Walk the named evidence from index entry to source artifact and mark where the trail supports, conflicts with, or fails to answer the page-specific question.
Sort Certification Evidence
Group exceptions by closure route: document retrieval, data correction, engineering disposition, authority response, or contractual decision.
Package Physical Barriers
Deliver the exception list, evidence map, and owner sequence in a form that can move directly into remediation, submittal cleanup, or transaction negotiation.
What the buyer receives
Who uses the output
- Fleet engineers use the map to brief the decision.
- Product managers use the register to assign closure.
- Certification engineers use the request list to collect source records.
How the work fits into the transaction or program
The decision is how the installed physical secondary barrier rule applies (new-production Part 121 airplanes) and what certification data a barrier installation, mandated or elective retrofit, requires. The evidence set centers on compliance data against the 25.795 amendment, structural attachment and rapid-egress substantiation, human factors and procedures evidence, and AFM and ops procedure incorporation. The likely weak points are a retrofit barrier that compromises evacuation compliance, procedures never incorporated into ops manuals, and buyers assuming retrofit is mandated when the rule targets new production only. The output gives the fleet engineer a cleanup register for Installed physical secondary barriers for rule scope and retrofit certification data before IPSB rule compliance dates.
Start with a single asset
Reduce finding cycles by checking the package first.
Regulatory limits
EE does not issue approvals, make compliance findings, approve manuals, or determine airworthiness. The review gives the applicant, designee, buyer, or authority-facing team a clear evidence record for their own decisions.
Specific to this review
- how the installed physical secondary barrier rule applies (new-production Part 121 airplanes) and what certification data a barrier installation, mandated or elective retrofit, requires.
- Compliance data against the 25.795 amendment often controls whether later summaries can be trusted.
- A retrofit barrier that compromises evacuation compliance is treated as a record gap until an owner closes it.
- FAA evidence should stay distinguishable from commercial claims and installer notes.
- The scope uses the Flight Deck Secondary Barrier question as the control point, so the review stays tied to IPSB rule compliance dates and the buyer decision behind it.
- The evidence starts with Compliance data against the 25.795 amendment and follows STC Support Certification Evidence references until every exception has a source location and a reason code.
- The finding logic separates missing paperwork, conflicting status, stale revision data, and unsupported disposition because each class closes through a different owner.
- The timing matters for Fleet engineer: the output is useful only if the unresolved items are visible before acceptance, submittal, handback, or negotiation pressure fixes the sequence.
- The boundary control keeps Installed Physical Barriers Rule questions in the records or certification lane and sends technical acceptance issues to the authorized people who own them.
- The handoff value comes from Evidence map for Flight Deck Secondary Barrier STC; it gives the next reviewer a precise map instead of another broad request for a better file.
Sources
U.S. Government (eCFR). Type certificates, STCs (Subpart E), TSO authorizations (Subpart O), PMA (Subpart K), and export airworthiness approvals (Subpart L).
U.S. Government (eCFR). Air carrier maintenance recordkeeping and retention requirements under Part 121.
Federal Aviation Administration. STC application process, certification basis, and continued airworthiness obligations of an STC holder.
Frequently asked questions
What makes this product-types review different from a general file audit?
The scope is tied to flight deck secondary barrier and to the decision named in the request. A general audit can list weak records; this pass ranks the gaps by whether they block ipsb rule compliance dates or can be closed later without changing the decision.
What evidence has to be available before this work starts?
The starting point is compliance data against the 25.795 amendment, the current status source, and any index or matrix that tells reviewers where the supporting artifact should live. Missing inputs are logged as findings rather than filled with assumptions.
Who decides whether an open item is acceptable?
The review explains what the evidence supports and gives fleet engineer a closure path. Acceptance remains with the buyer, operator, authority, delegated engineer, or authorized person responsible for the underlying airworthiness or certification decision.
Relevant glossary terms
Related pages
Where this fits
Talk to an engineer who has done this work
We will walk through your current state, the records or evidence involved, and a scoped first engagement.
Talk through the aircraft, records, evidence, deadline, and next useful step.