SDR USAA2009010590030

Service difficulty report · Floor Support · Boeing 7374B7

Difficulty date: December 22, 2008
Submitted: January 8, 2009
Operation: Air carrier
Aircraft: N438US
Make and model: Boeing 7374B7
Aircraft serial: 24560
Aircraft time: 50,701 hours, 34,140 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Part number: 6546812Y169
Condition: Corroded
Location: Fuselage
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

EXFOLIATION CORROSION ON FLOOR SUPPORT ANGLE BETWEEN BS 967 TO BS 987, RBL 18. REPLACED FLOOR SUPPORT ANGLE BETWEEN BS 967 TO BS 987, RBL 18 IAW SRM 51-40-02. UPON FURTHER REVIEW BY ENGINEERING, IT HAS BEEN DETERMINED THAT THIS IS NOT CLASSIFIED AS STRUCTURE REQUIRING CPCP INSPECTION.

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