SDR AWXA200401060

Service difficulty report · Floor Support · Boeing 73733A

Difficulty date: August 26, 2004
Submitted: September 22, 2004
Operation: Air carrier
Aircraft: N164AW
Make and model: Boeing 73733A
Aircraft serial: 23625
Aircraft time: 57,539 hours, 40,623 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Part number: 6546912
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 AND LOWER SURFACE OF FLOOR SUPPORT UPPER "T" CAP BETWEEN BS 986.5 AND BS 1016, LBL 6 TO LBL 18. MAINTENANCE REMOVED CORRODED FLOOR SUPPORT FROM BS 986.5 TO BS 1016, LBL 6 TO LBL 18; FABRICATED AND INSTALLED A NEW REPLACEMENT FLOOR SUPPORT IAW DWG 65-17688.

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