SDR USAA920081685

Service difficulty report · Bulkhead · Boeing 737401

Difficulty date: September 16, 2008
Submitted: September 30, 2008
Operation: Air carrier
Aircraft: N409US
Make and model: Boeing 737401
Aircraft serial: 23879
Aircraft time: 55,636 hours, 37,892 cycles
System (JASC): 5312 · Fuselage Main, Bulkhead
Part: Bulkhead
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

CLT FPBH MAJOR REPAIR NR 4352195 & 4353371 PITTING CORROSION ABOVE & BELOW HORIZONTAL STIFFENER ON BULKHEAD WEB AT BS178, WL218. ALSO CRACK AT BS218, LBL10. REPAIRED PITTING CORROSION ABOVE & BELOW HORIZONTAL STIFFENER AND CRACK ON BULKHEAD WEB AT BS178, WL218 LBL 10 IAW B737 SRM53-10-08.