SDR DALA2021032501783

Service difficulty report · Intercostal · Boeing 757351

Difficulty date: March 24, 2021
Submitted: March 25, 2021
Operation: Air carrier
Aircraft: N587NW
Make and model: Boeing 757351
Aircraft serial: 32986
Aircraft time: 62,752 hours, 20,213 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Condition: Corroded
Location: Bs 1520-1540
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 5807 INITIAL INSPECTION: CORROSION ON INTERCOSTAL FROM STA 1520 TO 1540 BTW S29 AND 30R. CORRECTIVE ACTION: SUMMARY OF NRC 00411: CORROSION ON INTERCOSTAL FROM STA 1520 TO 1540 BTW S29 AND 30R WAS REPAIRED PER B757-300 SRM. (1763195)