SDR AWXA200401162

Service difficulty report · Floor Support · Boeing 73733A

Difficulty date: October 2, 2004
Submitted: October 27, 2004
Operation: Air carrier
Aircraft: N166AW
Make and model: Boeing 73733A
Aircraft serial: 23627
Aircraft time: 57,765 hours, 40,586 cycles
Engine: Ge CFM563B1
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Part number: 6562175104
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

DURING C-18 CHECK INTERGRANULAR CORROSION WAS FOUND ON UPPER CHORD OF FLOOR SUPPORT AT BS 298, RBL 31, WL 208. MAINTENANCE REMOVED FLOOR SUPPORT UPPER CHORD FROM BS 294 TO BS 312 AT RBL 31; FABRICATED A NEW REPLACEMENT SECTION OF CHORD IAW DWG 65-62175; INSTALLED REPAIR PART IAW SRM 51-40-02, FIG. 3, 4, 8.

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