Service difficulty report · Intercostal · Boeing 757351

Difficulty date
December 6, 2020
Submitted
December 10, 2020
Operation
Air carrier
Aircraft
N591NW
Make and model
Boeing 757351
Aircraft serial
32991
Aircraft time
61,313 hours, 20,095 cycles
Part
Intercostal
Condition
Corroded
Location
Cabin
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

DURING INITIAL INSPECTION MAINTENANCE FOUND LEVEL 2 CORROSION ON INTERCOSTAL BETWEEN STA 600 AND 620 AND BETWEEN S 26R AND 27R AT FWD CARGO COMPARTMENT. INTERCOSTAL WAS REPAIRED PER SRM 51-70-11.