SDR CHIA201802253176

Service difficulty report · Crease Beam · Boeing 1072

Difficulty date: February 25, 2018
Submitted: March 7, 2018
Operation: Air carrier
Aircraft: N6674D
Make and model: Boeing 1072
Aircraft serial: 4
Aircraft time: 79,179 hours
System (JASC): 5310 · Fuselage Main, Structure
Part: Crease Beam
Condition: Cracked
Location: Fuselage
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

CRACK FOUND AT BS 477, WL +61, BL 26L. SUPPLEMENTAL INFORMATION; PERFORMED INSERT AND DOUBLER REPAIR OF LT CREASE ANGLE FROM STATION 472 TO 484, WI +44 USING .063 THICK 4130 STEEL FOR THE INSERTION AND .071 THICK 4130 STEEL FOR THE DOUBLERS. WORK PERFORMED IAW STRUCTURAL REPAIR MANUAL, SECTION 53-13-02.