SDR CKSA98570

Service difficulty report · Floorbeam · Boeing 7472B4B

Difficulty date: October 8, 1998
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N712CK
Make and model: Boeing 7472B4B
Aircraft serial: 21098
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Part number: 65B3809345
Condition: Corroded
Location: Bs 1780
Stage of operation: IN
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

FLOORBEAM UPPER CAP IN ZONE 200, STA 1780, WL 199, LBL 23 FOUND 1.5 SQUARE AREA OF CORROSION BEYOND SRM LIMITS. ALSO AT LBL 35 FOUND 1.5 X 2 AREA OF CORROSION BEYOND SRM LIMITS. REPAIRED IAW CKF-AMD-087 SUPP SHEETS 1-3. FOUND DURING ACCOMPLISHMENT OF C D AND CPCP AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, CORROSION TASK CARD NUMBER C53-210-01-04.

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