SDR ASAA2015051911946

Service difficulty report · Floorbeam · Boeing 737890

Difficulty date: May 19, 2015
Submitted: June 4, 2015
Operation: Air carrier
Aircraft: N553AS
Make and model: Boeing 737890
Aircraft serial: 34594
Aircraft time: 35,353 hours, 11,265 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Part number: 146A94014
Condition: Corroded
Location: Bs 767
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 FLOOR PANEL JOINT STRIP, UPPER SURFACE HAS CORROSION AT SEVERAL SPOTS. DOTTED. BS 767-BS 777, RBL 0-25, STR 28L-STR 26R. ACFT GROUNDED. RECEIVED NEW SPLICE STRAP TEE ASSY, PN 146A9401-4 PART IS INSTALLED ON PARENT J/C 9900 DOT REMOVED PO 839102.1 ORIGINAL MATERIAL= .070, MATERIAL REMOVED=.040, MATERIAL REMAINING = .030 OUT OF LIMITS IAW SRM 53-00-53-1A-2.