Service difficulty report · Floorbeam · Boeing 737724

Difficulty date
February 9, 2024
Submitted
February 12, 2024
Operation
Air carrier
Aircraft
N23721
Make and model
Boeing 737724
Aircraft serial
28940
Aircraft time
78,316 hours, 28,460 cycles
Part
Floorbeam
Part number
147A55068
Condition
Corroded
Location
Bs 986 Rbl 40-60
Stage of operation
IN
How discovered
O
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

SUPPORT TASK: MAIN CABIN FLOOR STA 986 RBL 40-60 CORROSION NOTED . TRANSCRIBED FROM HAECO GSO NRC# 9286615. REMOVED CORROSION FROM MAIN CABIN FLOORBEAM UPPER SURFACE AT STA B737-700 SRM 53-70-51. . ORIGINAL MATERIAL THICKNESS .150, REMOVED .020, REMAINING .130 OUT OF LIMITS IAW B737-700 SRM 53-70-51. FABRICAT ED AND INSTALLED REPAIR AT STA 986 FLOORBEAM UPPER SURFACE IAW