SDR 200600294

Service difficulty report · Frame · Boeing 7472U3B

Difficulty date: March 7, 2006
Submitted: March 7, 2006
Operation: Air carrier
Filed by: ERKR675D
Marana Aerospace Solutions Inc
Aircraft: N923FT
Make and model: Boeing 7472U3B
Aircraft serial: 22769
Aircraft time: 80,125 hours, 19,637 cycles
System (JASC): 5311 · Fuselage Main, Frame
Part: Frame
Condition: Corroded
Location: Bs 2360
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

BS 2360 BULKHEAD LOWER AFT CHORD CORROSION. THIS PROVIDES INSTRUCTIONS TO REPAIR THE BS 2360 BULKHEAD LOWER AFT CHORD BY REMOVING THE CORROSION, TRIMMING OUT THE TOOLING MARK, HFEC INSPECTING TO CONFIRM CORROSION AND CRACK FREE, INSTALL REPAIR STRAPS TO RESTORE STRUCTURAL INTEGRITY, AND INSTALL FREEZE PLUGS IN OVERSIZE FASTENER HOLES.

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