Service difficulty report · Skin · Boeing 75724APF

Difficulty date
April 7, 2026
Submitted
April 23, 2026
Operation
Air carrier
Aircraft
N454UP
Make and model
Boeing 75724APF
Aircraft serial
25475
Aircraft time
43,406 hours, 22,422 cycles
Part
Skin
Part number
146N6603290
Condition
Corroded
Location
Zone 800
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

AFT CARGO DOOR INNER SKIN LOWER WEB CORRODED IN SEVERAL PLACES. REMOVED 36 E/A FASTENERS AND CORROSION ON AFT CARGO DOOR INNER SKIN LOWER WEB BETWEEN BS 1380-1440 AT 11" FROM LOWER EDGE IAW SRM 51-40-02-0G AND 51-10-02-0G. INSTALLED 36 E/A FASTENERS ON AFT CARGO DOOR INNER SKIN LOWER WEB BETWEEN BS 1380-1440 AT 11" FROM LOWER EDGE IAW SRM 51-40-02-0G.

More about the Boeing 757-24APF