SDR DALA2021091005333

Service difficulty report · Intercostal · Boeing 757232

Difficulty date: September 7, 2021
Submitted: September 10, 2021
Operation: Air carrier
Aircraft: N649DL
Make and model: Boeing 757232
Aircraft serial: 24389
Aircraft time: 90,531 hours, 39,634 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Condition: Corroded
Location: Bs 640-660
Stage of operation: IN
How discovered: 9
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 649 CORROSION ON INTERCOSTAL STA 640 TO 660 RBL 7.55 AT FWD CARGO. CORRECTIVE ACTION: SUMMARY NRC 00308. CORROSION LEVEL 2, INTERCOSTAL STA 640 TO 660 RBL 7.55 WAS REPLACED PER DWG REV. F AND B. AND DRILLED PER B757-200 SRM. (1940049)