SDR CNMA20100016

Service difficulty report · Floorbeam · Doug DC1030

Difficulty date: April 1, 2010
Submitted: May 19, 2010
Operation: Air carrier
Aircraft: N621AX
Make and model: Doug DC1030
Aircraft serial: 48319
Aircraft time: 65,741 hours, 11,005 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Bs 2007
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

BS 2007 LBL 77 CORROSION ON TEE CHORD FLOOR SUPPORT. ALL OPEN HOLES WERE NDT INSPECTED - NO CRACKS OR CORROSION FOUND. THIS SECTION OF CHORD WAS INCLUDED IN THE REPAIR OF NRC-387. SEE NRC 387. (NONRO 387, CORRODED SECTION OF CHORD WAS TRIMMED OUT. NEW SECTION FABRICATED FROM THE TEE PN NJC6040-175 WAS INSTALLED WITH SPLICES PN N621AX-NRC387-1/-2 IAW SRM VOL I 53-40-00, FIG 16 AND USING FASTENERS IAW SRM VOL II 51-33-01 PAGE 34. BACB30MYGKGX.)

More about the Doug DC-10-30