SDR CALA2026071217700

Service difficulty report · Web · Boeing 737824

Difficulty date: July 11, 2026
Submitted: July 14, 2026
Operation: Air carrier
Aircraft: N87507
Make and model: Boeing 737824
Aircraft serial: 31637
Aircraft time: 58,758 hours, 21,282 cycles
System (JASC): 5720 · Wing Miscellaneous Structure
Part: Web
Part number: 116A562020
Condition: Corroded
Location: Zone 600
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

RIGHT WING OTBD L/E AREA BULL NOSE WEB IS CORRODED ON THE UPPER ATTACH FLANGE AT APPROX OFSS 580. REMOVED CORROSION AND EVALUATED MATERIAL REMOVED .002, ORIGINAL THICKNESS .050, REMAINING THICKNESS .048 FOUND WITHIN LIMITS IAW SRM 57-41-02. RESTORED SURFACE FINISH IAW AMM 51-21-22, 51-21-73, 51-20-01.