Service difficulty report · Torque Box · Boeing 737436

Difficulty date
January 15, 2024
Submitted
February 26, 2024
Operation
Air carrier
Aircraft
N734CK
Make and model
Boeing 737436
Aircraft serial
25858
Aircraft time
54,824 hours, 36,867 cycles
Part
Torque Box
Part number
UNKNOWN
Condition
Corroded
Location
Bs 1104
Part time
54,824 hours, 36,867 cycles
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

EVIDENCE OF CORROSION ON UPPER WEB AROUND NUTPLATES AT APROX STA 1104 INSIDE LH TORQUE BOX.