Notify TSA and protect operations when changed conditions affect airport security

Use this document to connect an official requirement or behavior to observable evidence: Notify TSA and protect operations when changed conditions affect airport security. Only the official source and traced locations below supply facts. Confirm applicability before acting.

Source fact:

The official 49 CFR 1542.107 — Airport Security from Transportation Security Administration via eCFR supports the following bounded statements:

• Under 49 CFR 1542, the rule requires that for changed conditions expected to be less than 60 days duration, each airport operator forward the information required in paragraph (b) of this section in writing to TSA within 72 hours of the original notification of the change condition(s). The research record locates this support at 49 CFR 1542.107(c) (eCFR anchor p-1542.107(c)).
• Under 49 CFR 1542, the rule requires that after approval of the security program, each airport operator notify TSA when changes have occurred to the: operations of an aircraft operator or foreign air carrier that would require modifications to the security program as required under section 1542.103. The research record locates this support at 49 CFR 1542.107(a)(2), read with 49 CFR 1542.107(a) (eCFR anchor p-1542.107(a)(2)).

Do not import neighboring assumptions into the source record. The supported task is a scoped comparison involving essential functions, upstream providers, recovery sequences, alternate work paths, and tested recovery objectives and the conditions the source actually describes.

What the source does not establish

Applies only to airport operators, tenants, personnel, and areas covered by 49 CFR part 1542 and the cited section. Confirm the TSA-approved security program and current directives; this is not legal advice or a universal access-control standard. The citation is not a substitute for observed state, authorization, compliance evidence, or dependency health. Examine identity, DNS, communications, facilities, suppliers, and the people authorized to invoke recovery before translating the source into an operational decision.

Applicability questions

• For source statement 1 at 49 CFR 1542.107(c) (eCFR anchor p-1542.107(c)), which observable configuration, record, or test can confirm applicability here?
• For source statement 2 at 49 CFR 1542.107(a)(2), read with 49 CFR 1542.107(a) (eCFR anchor p-1542.107(a)(2)), which observable configuration, record, or test can confirm applicability here?
• Which owner can attest to the recorded state of essential functions, upstream providers, recovery sequences, alternate work paths, and tested recovery objectives, including exceptions?
• What baseline for identity, DNS, communications, facilities, suppliers, and the people authorized to invoke recovery must accompany the source-specific observation?
• Which success, stop, and escalation criteria are written before testing begins?

DSE recommendation:

DSE recommends using the cited source as the evidence anchor for this decision. Use a two-person review for the source interpretation and the resulting operational decision. Record the source location, examined part of essential functions, upstream providers, recovery sequences, alternate work paths, and tested recovery objectives, observed and expected states, owner, and reason for deviation.

For an approved change, define prerequisites, a limited test path, success and stop conditions, monitoring, and rollback. Check identity, DNS, communications, facilities, suppliers, and the people authorized to invoke recovery in design order. Protect credentials, keys, recovery material, personal data, and sensitive topology in evidence.

Verification and evidence

Keep the source locations 49 CFR 1542.107(c) (eCFR anchor p-1542.107(c)); 49 CFR 1542.107(a)(2), read with 49 CFR 1542.107(a) (eCFR anchor p-1542.107(a)(2)) adjacent to the sanitized artifacts used for comparison. Prefer business-impact records, dependency maps, exercise results, recovery timings, and open corrective actions, with enough identity and timing data for an independent recheck.

Preserve both successful and failed observations, along with approval and rollback evidence. Avoid uncontrolled production experiments. Assign an expiry or event-driven recheck so the conclusion is not treated as permanent.

Official references

• 49 CFR 1542.107 — Airport Security — Transportation Security Administration via eCFR