SDR CALA2014032000359

Service difficulty report · Web · Boeing 737724

Difficulty date: March 16, 2014
Submitted: March 20, 2014
Operation: Air carrier
Aircraft: N13720
Make and model: Boeing 737724
Aircraft serial: 28939
Aircraft time: 50,275 hours, 16,082 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Web
Part number: 147A57122
Condition: Corroded
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

CORROSION WAS FOUND ON THE UPPER SURFACE OF CAB IN FLOOR LOWER WEB BS 1018, RBL 32S. BLENDED OUT CORROSION IAW SRM 51-10-02. 10X MAGNIFIED DVI REMOVED AREA TO ENSURE CORROSION FREE IAW SRM 51-10-02. TRIMMED OUT DAMAGE IAW ECRA 5321-01884 & 737EN-53-0230. IAW NDT P6 51-00-00, HFEC NO CRACK INDICATION, FABRICATED REPAIR PARTS IAW ECRA 5321-01844 & EN-53-0230. INSTALLED REPAIR PARTS & RESTORED CICI IAW ECRA 5100-01844.