SDR DALA2020021171087

Service difficulty report · Intercostal · Boeing 757351

Difficulty date: February 7, 2020
Submitted: February 11, 2020
Operation: Air carrier
Aircraft: N581NW
Make and model: Boeing 757351
Aircraft serial: 32982
Aircraft time: 61,967 hours, 20,480 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Condition: Corroded
Location: Bs 1400
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 5801 AWR, PER MRTC REQUEST: TO ACCOMPLISH NRC S/N 00417, FABRICATE INTERCOSTAL DUE TO EXCESSIVE CORROSION ON STA 1400 S-30 AT AFT CARGO COMPARTMENT. CORRECTIVE ACTION: SUMMARY OF NRC S/N 00650, INTERCOSTAL STA 1400 ST 30 AT AFT CARGO. C2, WAS FABRICATED PER. DWG. REV. F. (1479234)