SDR CALA2013091000650

Service difficulty report · Bulkhead · Boeing 737724

Difficulty date: September 10, 2013
Submitted: September 10, 2013
Operation: Air carrier
Aircraft: N13718
Make and model: Boeing 737724
Aircraft serial: 28937
Aircraft time: 48,912 hours, 16,485 cycles
System (JASC): 5312 · Fuselage Main, Bulkhead
Part: Bulkhead
Part number: 111A1111
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

CENTER WING BOX REAR SPAR VERTICAL PRESSURE WEB, HAS A CRACK BETWEEN WL200.6, WL192.0 RBL 31.83 & RBL 40.00 MARKED. HFEC PERFORMED & VERIFIED IAW CARD SEQ443. CUTOUT DAMAGED AREA & INSTALLED REPAIR DOUBLER, IAW SRM 57-1 0-10, REPAIR 3, ALTERNATIVE 1, STEPS A THRU O.