Service difficulty report · Shear Web · Boeing 75724APF

Difficulty date
January 11, 2025
Submitted
February 4, 2025
Operation
Air carrier
Aircraft
N420UP
Make and model
Boeing 75724APF
Aircraft serial
23907
Aircraft time
36,193 hours, 23,618 cycles
Part
Shear Web
Part number
143N8750
Condition
Corroded
Location
Zone 200
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

MAIN CABIN DECKING STA 620 TO 660 BTWN LBL 64 AND LBL 45.5 HAS NUMEROUS AREAS OF CORROSION. CIRCLED IN RED. DOT 142-322. ORIGINAL MATERIAL 0.063" AFTER REWORK 0.059", MATERIAL REMOVED 0.004" FOUND TO BE IN LIMITS PER SRM 53-30-15-1A-3 DETAIL II. TOOL T17449.

More about the Boeing 757-24APF