SDR U2RA201211130006

Service difficulty report · Floor Support · Boeing 75728A

Difficulty date: November 13, 2012
Submitted: November 13, 2012
Operation: Air carrier
Aircraft: N176CA
Make and model: Boeing 75728A
Aircraft serial: 24543
Aircraft time: 67,065 hours, 20,179 cycles
Engine: Rroyce RB211535E4
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Part number: 146N544714
Condition: Corroded
Location: Zone 100
Part time: 67,065 hours, 20,179 cycles
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

AFT CARGO BS 1460-1500, RBL 7.55" FLOOR SUPPORT HAS CORROSION AT ANCHOR NUT AREAS, LENGTH 1.5, WIDTH 1", DEPTH .038", ORIGINAL MATERIAL THICKNESS .063", REMAINING MATERIAL THICKNESS .025". SUPPORT REPLACED FROM STATION 1450-1500 IAW DWG 146N5447.

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