Service difficulty report · Fuel Tank · Boeing 757231

Difficulty date
October 24, 2025
Submitted
October 24, 2025
Operation
Air carrier
Aircraft
N717TW
Make and model
Boeing 757231
Aircraft serial
28485
Aircraft time
93,503 hours, 23,237 cycles
Part
Fuel Tank
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

CORROSION ON CENTER WING TANK UPPER SKIN AT B STA 1020 LBL 57 UNDER A STUB BEAM. COMPLIED WIRTH ER/A 629550-14 PRI REV 1 ON CENTER WING TANK UPPER SKIN OF STA 1020 LBL 57 UNDER STUB BEAM. (1268464)