SDR SWAA2021101220697

Service difficulty report · Support · Boeing 737752

Difficulty date: September 18, 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: Support
Condition: Corroded
Location: Aft 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 FLOOR TO SIDEWALL SUPPORT IN THE AFT CARGO BAY, BS 807 - 727C, LBL 21, WL 156. FABRICATED, LOCATED, AND DRILLED A NEW FLOOR TO SIDEWALL SUPPORT IAW SRM 51-40-05-0G-0, AND DWG 146A7500, FABRICATED LOCATE AND DRILLED A DOUBLER IAW SRM 53-00-53-2R-6, REPAIR 6, APPLIED CHEMICAL CONVERSION COATING. APPLIED PRIMER IAW SOPM 20-44-04. INSTALLED THE NEW FLOOR TO SIDEWALL SUPPORT IAW SRM 51-40-02-0G-0, AND DWG 146A7500.