SDR IXXA201306120006

Service difficulty report · Floor Support · Boeing 7572Y0

Difficulty date: May 12, 2013
Submitted: June 12, 2013
Operation: Air carrier
Aircraft: N620DL
Make and model: Boeing 7572Y0
Aircraft serial: 22910
Aircraft time: 76,960 hours, 38,364 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Condition: Corroded
Location: Bs 1075
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

CORROSION WAS DISCOVERED ON THE UPPER CARGO FLOOR SUPPORT BS 1075, LBL 47, FLOOR AREA INBD SURFACE. BLENDED AREA OF CORROSION IAW SRM 53-00-52. PERFORMED ULTRASONIC INSPECTION OF AREA IAW NDT MM PART 4, 51-00-10. MATERIAL REMOVED IS OUT OF LIMITS. FABRICATED NEW FLOOR SUPPORT FROM 7075-T611, ALUMINUM IAW BAC 1506-1108. INSTALLED NEW SECTION OF FLOOR SUPPORT IAW SRM 51-40-01.

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