Service difficulty report · Doubler · Boeing 75724APF

Difficulty date
April 4, 2026
Submitted
April 22, 2026
Operation
Air carrier
Aircraft
N454UP
Make and model
Boeing 75724APF
Aircraft serial
25475
Aircraft time
43,406 hours, 22,422 cycles
Part
Doubler
Part number
141N863188
Condition
Corroded
Location
Zone 100
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

RT FWD LAV DUMP VALVE ADAPTER PLATE CORRODED. REMOVED PLATE FOR ACCESS FROM R/H FWD LAV DUMP VALVE ADAPTER REF. B757-200PF SRM 51-40-02-OG-0, UPON FURTHER EVALUATION FOUND 100% OF MAT. LOSS. USED CALIPER ID#23-2023 DATE DUE 10-MAY-2026. INSTALLED REPLACEMENT PLATE (DOUBLER) AT R/H FWD LAV DUMP VALVE ADAPTER REF. B757-200PF SRM 51-40-02-OG-0.

More about the Boeing 757-24APF