Service difficulty report · Balance Weight · Boeing 75724APF

Difficulty date
July 21, 2026
Submitted
August 19, 2026
Operation
Air carrier
Aircraft
N424UP
Make and model
Boeing 75724APF
Aircraft serial
25369
Aircraft time
36,393 hours, 24,004 cycles
System (JASC)
5751 · Ailerons
Part
Balance Weight
Part number
113N72081
Condition
Corroded
Location
Zone 500
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

LEFT WING AILERON OTBD BALLAST CORRODED AT UPPER AND LOWER SURFACES. INSTALLED NEW WEIGHT, COUNTER BALANCE ON LT WING AILERON OTBD IAW SRM 51-40-02.

More about the Boeing 757-24APF