Service difficulty report · Torque Box · Boeing 737436

Difficulty date
January 29, 2024
Submitted
March 28, 2024
Operation
Air carrier
Aircraft
N403YK
Make and model
Boeing 737436
Aircraft serial
25842
Aircraft time
63,646 hours, 43,186 cycles
Part
Torque Box
Part number
UNKNOWN
Condition
Corroded
Location
Apu Bay
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

CORROSION AT APU RH SIDE LOWER TORQUE BOX AT STA 1126. TEE ANGLE REPLACED AT APU RH SIDE LOWER TORQUE BOX AT STA 1126 PER: DRAWING 65-46579 SHEET 4 #531, SRM 51-40-02 PARA 4 R115