SDR SWAA2021101221626

Service difficulty report · Web · Boeing 737752

Difficulty date: September 20, 2021
Submitted: October 12, 2021
Operation: Air carrier
Aircraft: N7843A
Make and model: Boeing 737752
Aircraft serial: 35786
Aircraft time: 47,875 hours, 24,909 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Web
Condition: Corroded
Location: Fwd Cargo
Stage of operation: IN
How discovered: 9
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 ON FORWARD CARGO BAY THRESHOLD SUB WEB, BS 440+16 - 480+4, RBL 24, WL 154. REMOVED CORROSION AND FOUND TO BE OUT LIMIT IAW SRM 53-00-53-1A-2. REMOVED THRESHOLD WEB IAW SRM 51-40-02-0G-0. LOCATED AND DRILLED A NEW SUB THRESHOLD WEB IAW SRM 51-40-05, & DWG 143A8330. INSTALLED THE NEW FWD CARGO BAY THRESHOLD SUB WEB IAW SRM 51-40-02-0G-0, AND DWG 143A8330.