SDR U2RA201211130008

Service difficulty report · Support · Boeing 75728A

Difficulty date: November 13, 2012
Submitted: November 14, 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: Support
Part number: 146N54177
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 1360-1380, LBL 2.9, FLOOR SUPPORT HAS CORROSION AT ANCHOR NUT ATTACH AREAS, LENGTH 1.5, WIDTH 1", DEPTH .038", ORIGINAL MATERIAL THICKNESS .063", REMAINING MATERILA THICKNESS .025". REPLACED FLOOR SUPPORT IAW DWG 146N5417.

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