Service difficulty report · Floorbeam · Boeing 737824

Difficulty date
February 22, 2020
Submitted
February 29, 2020
Operation
Air carrier
Aircraft
N33286
Make and model
Boeing 737824
Aircraft serial
31600
Aircraft time
51,753 hours, 18,383 cycles
Part
Floorbeam
Part number
1505100724
Condition
Corroded
Location
Bs 328
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

FWD WET AREA STA 328 FLOOR BEAM "T" CAP HAS CORROSION AT RBL 12. REF TO PEMCO NR 2695N340 BLENDED OUT CORROSION AT STA 328 RBL 12. ORIGINAL T 0.130, ALLOWABLE LOSS 10% MAT LOSS 0.032. FOUND TO BE OUT OP LIMIT IAW B737-800 SRM 53-10-51. REPLACED T CAP FROM RLB1.12" TO RBL 52 IAW B737-800 SRM 53-10-51. REPAIR 7 AND EA NO. PO-37-53-3112. WORK PERFORMED V062295, INSPECTED BY Q945, ENTERED BY V927860. BLENDED OUT CORROSION AT STA 328 RBL 12. ORIGINAL T 0.130,ALLOW ABLE LOSS 10% MAT LOSS 0.032. FOUND TO BE OUT OP LIMIT IB737-800 SRM 53-10-51. REPLACED T CAP FROM RLB1.12" TO RBL 52BLENDED OUT CORROSION AT STA 328 RBL 12. ORIGINAL T 0.130, BLEN