SDR AALA202011119017

Service difficulty report · Web · Boeing 737823

Difficulty date: November 10, 2020
Submitted: December 1, 2020
Operation: Air carrier
Aircraft: N817NN
Make and model: Boeing 737823
Aircraft serial: 29558
Aircraft time: 32,890 hours, 13,286 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Web
Part number: 147A5712451
Condition: Corroded
Location: Zone 100
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

AIRCRAFT IN BASE MAINTENANCE. CORROSION OF FLOOR WEB UNDER AFT GALLEY FLOOR PANEL AT STA 1016 AND LBL 30, MEASURING L=1.0 IN, W=1.0 IN, D=0.009 IN. REPLACED FLOOR WEB WITH NEW, IAW DRAWING 147A5700. SUPPLEMENTAL INFORMATION. INITIAL REPORT IDENTIFIED AS A LEVEL 2 FINDING IN ERROR, REPORT CORRECTED TO REFLECT PROPER LEVEL.