Service difficulty report · Intercostal · Boeing 757351

Difficulty date
March 19, 2021
Submitted
March 22, 2021
Operation
Air carrier
Aircraft
N587NW
Make and model
Boeing 757351
Aircraft serial
32986
Aircraft time
62,752 hours, 20,213 cycles
Part
Intercostal
Condition
Corroded
Location
Bs 1540-1560
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 CORROSION ON INTERCOSTAL, BTW S-29R TO S-27R, BTW STA.1540 TO 1560 AT AFT CARGO COMPARTMENT. CORRECTIVE ACTION: SUMMARY OF NRC.00985: INTERCOSTAL WAS REPLACED PER B757-300 SRM. (1759499)