SDR SWAA2022032912618

Service difficulty report · Floor Panel · Boeing 737752

Difficulty date: September 11, 2019
Submitted: March 29, 2022
Operation: Air carrier
Aircraft: N7843A
Make and model: Boeing 737752
Aircraft serial: 35786
Aircraft time: 43,308 hours, 22,161 cycles
System (JASC): 5321 · Fuselage Floor Panel
Part: Floor Panel
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

AFT CARGO PIT FLOOR PANEL 140CF HAS CORROSION ON UPPER AND LOWER SURFACES STA 767+5 TO 887 LBL24-RBL24 / AFT CARGO PT FLOOR PANEL 140CF CORRODED ON UPPER AND LOWER SURFACES STA 767+5 TO STA 887 LBL 24 TO RBL 24. CORROSION EXCEEDS LIMITS WITH MULITIPLE AREAS LESS THAN 5' BETWEEN EACH OUT OF LIMITS IAW SRM 53-00-53-1A-1 FIG 102 REPLACED PANEL WITH NEW P/N 453A2610-18 IAW BOEING DWG 453A2610 REV C. ISSUE TAG WN3647.