Technicians get cited procedures. Values come from the manual.

An AI knowledge assistant for aviation maintenance organizations. Every answer is cited to the page, and drawn only from the tiers each member holds.

30 minutes, on your own manuals.

Question: How are the types of corrosion identified and treated?

asked by all three

Daniel Okafor, Inspector with inspection authorization, Inspector

Corrosion is identified by how it looks, then reworked the same way:

Surface: A general dulling that turns rough and frosted citation 1
Pitting: A white or gray powdery deposit; tiny pits show once it is cleaned away citation 2
Treatment: Strip the finish, remove corrosion products, restore the protective film citation 3

AC 43.13-1B page 6-21, corrosion rework, with the rework steps highlighted

3 · p.6-21

citation 1citation 2AC 43.13-1Bp.6-5

citation 3p.6-21

3 tiers searched · 2 pages citedCited

Sofia Whitaker, A&P technician, Technician

The handbook identifies corrosion by the metal and its corrosion product:

Aluminum: A white-to-grey powder citation 1
Steel: Reddish-brown oxide, or rust citation 1
Magnesium: White, powdery, snow-like mounds citation 1
Treatment: Clean and strip the area, remove corrosion products, neutralize residue, restore protective films citation 2

AMT General handbook page 8-14, corrosion removal, with the treatment steps highlighted

2 · p.8-14

FAA-H-8083-30Bp.8-3

p.8-14

2 tiers searched · 2 pages citedCited

Theo Lund, Student mechanic, Public

Not in your accessThe FAA AMT handbooks are Technician content.

Request access

From the public recordPart 43 sets the standard for maintenance work but does not describe corrosion types. Corrosion is covered in the FAA handbooks and in chapter 6 of AC 43.13-1B.

Technician content · p.8-3

1 tier searched · 0 pages cited

Examples are built on public documents; access tiers are simulated.PublicTechnicianInspector

Each manual sits in the ring its members pay for.

AC 43.13-1B lives on the Inspector ring, so a technician’s answer never quotes it.

Ask “How are the types of corrosion identified and treated?” as

FAA Aviation Maintenance Technician Handbook, General

FAA Aviation Maintenance Technician Handbook, Airframe

Sofia WhitakerStrong match

The handbook identifies corrosion by the metal and its corrosion product:

Aluminum: A white-to-grey powder citation 1
Steel: Reddish-brown oxide, or rust citation 1
Magnesium: White, powdery, snow-like mounds citation 1
Treatment: Clean and strip the area, remove corrosion products, neutralize residue, restore protective films citation 2

FAA-H-8083-30Bp.8-3

p.8-14

p.8-3

FAA-H-8083-30BTechnician ring · open to Sofia

2 tiers searched · 2 pages cited

Each step, on the page of the advisory circular.

Ask about corrosion. Each claim points to the sentence in AC 43.13-1B, highlighted.

AC 43.13-1B · Acceptable Methods, Techniques, and Practices – Aircraft Inspection and Repair

AC 43.13-1B page 6-5, general surface corrosion, highlighted — **6-12 General surface corrosion**p.6-5

AC 43.13-1B page 6-5, pitting corrosion, highlighted — **6-13 Pitting corrosion**p.6-5

AC 43.13-1B page 6-21, corrosion rework, highlighted — **6-113 Corrosion rework**p.6-21

Work orders, drafted and held.

And no values the manual should give.

WO-2026-1187 · Corrosion repair, left wing panel

Nothing is created until Marisol Vega, director of maintenance, approves it.

Done: Requested
Done: Dry run
Now: Approving
Next: Approved
Next: Created

workorder.createHalcyon Aero work-order systemWO-2026-1187

titleCorrosion repair, left wing lower skin panel

findingPitting found at the panel seam

procedureClean, strip, remove corrosion products, restore the protective filmAC 43.13-1B 6-113

limitsManufacturer limits first; a DER if none are availableAC 43.13-1B 6-113(b)

record_entryMaintenance record entry with the signature of the person approving43.9(a)(4)

Approve and create4 of 4 work-order considerations

“What torque applies to this bolt on a Cessna 172 wing?”

Rule P-03: refuse, and point to the manufacturer’s maintenance data.

“I can only answer from the Aviation Maintenance Library materials, and they don’t give that value.”

Cessna 172 maintenance manualWing attach fitting torque
Performance ruleUse the manufacturer’s current manual or ICA14 CFR 43.13(a)
Airworthiness limitationsLimits and intervals come from the manufacturer14 CFR 43.16

0 passages on Cessna 172 wing bolts · 0 values made

Use cases

Each problem, shown with real answers.

Aviation maintenance · Roles

Students, technicians and inspectors each get the documents their role includes.

Read the use case

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30 minutes, on your own manuals.

We map your tiers to rings and ask one question as three of your members.

Technicians get cited procedures. Values come from the manual.

Each manual sits in the ring its members pay for.

Each step, on the page of the advisory circular.

Work orders, drafted and held.

WO-2026-1187 · Corrosion repair, left wing panel

“What torque applies to this bolt on a Cessna 172 wing?”

Use cases

Students, technicians and inspectors each get the documents their role includes.

Every answer comes with the page it’s on.

Plant-specific questions get a plain “not covered”, never a made-up number.

Planning guidance comes with the warning you set.

See what members asked and couldn’t find, then close the gap.

Your library inside members’ own AI tools, with their tiers.

30 minutes, on your own manuals.