SDR SWAA2021101320675

Service difficulty report · Sidewall Support · Boeing 737752

Difficulty date: September 18, 2021
Submitted: October 13, 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: Sidewall Support
Condition: Corroded
Location: Fuselage
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 FLOOR TO SIDEWALL SUPPORT AT AFT CARGO BAY BS 870 RBL 22, WL166. REMOVED CORROSION AND FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2. REMOVED, FABRICATED LOCATED, AND A DRILLED NEW FLOOR TO SIDEWALL SUPPORT IAW SRM 51-40-05-0G-0, AND DWG 146A7500. INSTALLED THE NEW FLOOR TO SIDEWALL SUPPORT IAW SRM 51-40-02-0G-0, DWG 146A7500.