Service difficulty report · Intercostal · Boeing 757231

Difficulty date
January 19, 2023
Submitted
January 23, 2023
Operation
Air carrier
Aircraft
N718TW
Make and model
Boeing 757231
Aircraft serial
28486
Aircraft time
81,164 hours, 20,962 cycles
Part
Intercostal
Condition
Corroded
Stage of operation
IN
How discovered
O
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

SHIP 6815 CORROSION ON INTERCOSTAL BETWEEN STA 1300/ STA1320 AND STGR LBL 29/30 IN AFT CARGO COMPARTMENT. CORRECTIVE ACTION: SUMMARY OF NRC 00294: INTERCOSTAL WAS FABRICATED PER DWG 146N3299 AND REPLACED PER B-757-200 SRM. (2590136)